Tornado Alerts Near Marble Rock, IA 50653

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Marble Rock

There are currently no tornado warnings, watches, or severe thunderstorm alerts in effect for the Marble Rock area. This page updates every 60 seconds from the National Weather Service.

Historical Tornado Risk

Activity level High

Average per year 13.6 tornados

Peak season month May

Total on record 682 tornados

📋 Tornado History

Historical tornado events within 250 miles of Marble Rock

EF Rating	Damage	Path	Casualties	Distance	Date
EF0	Light damage	4.5 mi × 50 yd	None	39 mi	Aug 18, 2025
EF0	Light damage	0.6 mi × 35 yd	None	33 mi	Aug 18, 2025
EF1	Moderate damage	10.1 mi × 150 yd	None	106 mi	Jul 11, 2025
EF0	Light damage	1.7 mi × 40 yd	None	92 mi	Jul 11, 2025
EF1	Moderate damage	7.5 mi × 150 yd	None	95 mi	Jul 11, 2025
EF1	Moderate damage	5 mi × 150 yd	None	90 mi	Jul 11, 2025
EF2	Considerable damage	6.7 mi × 300 yd	None	80 mi	Jul 11, 2025
EF1	Moderate damage	3.4 mi × 250 yd	None	77 mi	Jul 11, 2025
EF1	Moderate damage	0.8 mi × 250 yd	None	77 mi	Jul 11, 2025
EF1	Moderate damage	3.8 mi × 20 yd	None	74 mi	Jul 11, 2025
EF0	Light damage	1.5 mi × 50 yd	None	113 mi	Jul 15, 2024
EF0	Light damage	0.8 mi × 10 yd	None	116 mi	Jun 25, 2024
EF0	Light damage	0.1 mi × 10 yd	None	115 mi	Jun 25, 2024
EF0	Light damage	0.5 mi × 50 yd	None	99 mi	Jun 25, 2024
EF1	Moderate damage	15 mi × 50 yd	None	128 mi	May 24, 2024
EF0	Light damage	10.1 mi × 10 yd	None	109 mi	May 24, 2024
EF0	Light damage	0.9 mi × 10 yd	None	108 mi	May 24, 2024
EF0	Light damage	0.1 mi × 50 yd	None	108 mi	May 24, 2024
EF1	Moderate damage	5.9 mi × 150 yd	None	121 mi	May 24, 2024
EF1	Moderate damage	11 mi × 75 yd	None	130 mi	May 24, 2024
EF1	Moderate damage	4.1 mi × 75 yd	None	130 mi	May 24, 2024
EF1	Moderate damage	11.5 mi × 150 yd	None	124 mi	May 24, 2024
EF1	Moderate damage	5.1 mi × 150 yd	None	124 mi	May 24, 2024
EF1	Moderate damage	9.8 mi × 100 yd	None	115 mi	May 24, 2024
EF1	Moderate damage	8.5 mi × 100 yd	None	117 mi	May 24, 2024
EF1	Moderate damage	7.2 mi × 70 yd	None	116 mi	May 24, 2024
EF0	Light damage	1.7 mi × 50 yd	None	96 mi	Apr 26, 2024
EF1	Moderate damage	10.8 mi × 600 yd	None	157 mi	Apr 16, 2024
EF1	Moderate damage	10 mi × 125 yd	None	68 mi	Apr 16, 2024
EF0	Light damage	0.1 mi × 20 yd	None	65 mi	Sep 26, 2023
EF0	Light damage	0.3 mi × 20 yd	None	82 mi	Sep 22, 2023
EF0	Light damage	0.7 mi × 40 yd	None	113 mi	May 13, 2023
EF0	Light damage	0.5 mi × 50 yd	None	112 mi	May 13, 2023
EF1	Moderate damage	5 mi × 100 yd	None	126 mi	May 7, 2023
EF0	Light damage	1.2 mi × 90 yd	None	85 mi	Mar 31, 2023
EF1	Moderate damage	1.4 mi × 50 yd	None	115 mi	Mar 31, 2023
EF2	Considerable damage	1 mi × 150 yd	None	162 mi	Mar 31, 2023
EF1	Moderate damage	9.9 mi × 50 yd	None	83 mi	Mar 31, 2023
EF1	Moderate damage	4.1 mi × 50 yd	None	79 mi	Mar 31, 2023
EF2	Considerable damage	16.1 mi × 200 yd	0 dead, 2 hurt	129 mi	Mar 31, 2023
EF1	Moderate damage	5.2 mi × 100 yd	None	122 mi	Mar 31, 2023
EF2	Considerable damage	16.4 mi × 250 yd	None	121 mi	Mar 31, 2023
EF1	Moderate damage	4.8 mi × 75 yd	None	106 mi	Mar 31, 2023
EF1	Moderate damage	8.3 mi × 10 yd	None	120 mi	Mar 31, 2023
EF2	Considerable damage	4.2 mi × 75 yd	None	107 mi	Mar 31, 2023
EF0	Light damage	1.7 mi × 10 yd	None	69 mi	Mar 31, 2023
EF2	Considerable damage	14.7 mi × 100 yd	None	120 mi	Mar 31, 2023
EF0	Light damage	1.4 mi × 10 yd	None	70 mi	Mar 31, 2023
EF0	Light damage	2.2 mi × 50 yd	None	67 mi	Mar 31, 2023
EF2	Considerable damage	16.9 mi × 75 yd	0 dead, 2 hurt	111 mi	Mar 31, 2023
EF2	Considerable damage	2.6 mi × 50 yd	None	69 mi	Mar 31, 2023
EF0	Light damage	6.1 mi × 50 yd	None	114 mi	Mar 31, 2023
EF2	Considerable damage	1.7 mi × 50 yd	None	68 mi	Mar 31, 2023
EF1	Moderate damage	2.2 mi × 700 yd	None	114 mi	Mar 31, 2023
EF1	Moderate damage	0.4 mi × 700 yd	None	114 mi	Mar 31, 2023
EF1	Moderate damage	3.5 mi × 80 yd	None	33 mi	Mar 31, 2023
EF1	Moderate damage	4.1 mi × 80 yd	None	34 mi	Mar 31, 2023
EF3	Severe damage	10.2 mi × 700 yd	None	119 mi	Mar 31, 2023
EF4	Devastating damage	7.1 mi × 700 yd	0 dead, 3 hurt	123 mi	Mar 31, 2023
EF0	Light damage	3.6 mi × 60 yd	None	93 mi	Mar 31, 2023
EF3	Severe damage	17.4 mi × 1000 yd	None	129 mi	Mar 31, 2023
EF2	Considerable damage	8.7 mi × 400 yd	None	135 mi	Mar 31, 2023
EF0	Light damage	0.9 mi × 10 yd	None	98 mi	Jan 16, 2023
EF1	Moderate damage	4.7 mi × 400 yd	None	101 mi	Jan 16, 2023
EF0	Light damage	0.2 mi × 10 yd	None	106 mi	Aug 20, 2022
EF0	Light damage	0.7 mi × 20 yd	None	67 mi	Jul 5, 2022
EF0	Light damage	1.4 mi × 20 yd	None	50 mi	Jul 5, 2022
EF1	Moderate damage	14 mi × 400 yd	None	69 mi	Mar 5, 2022
EF2	Considerable damage	8.5 mi × 200 yd	None	75 mi	Mar 5, 2022
EF0	Light damage	1.7 mi × 100 yd	None	77 mi	Mar 5, 2022
EF1	Moderate damage	3.3 mi × 150 yd	None	79 mi	Mar 5, 2022
EF2	Considerable damage	12.3 mi × 500 yd	None	84 mi	Mar 5, 2022
EF1	Moderate damage	6.7 mi × 80 yd	None	2 mi	Dec 15, 2021
EF1	Moderate damage	2.7 mi × 200 yd	None	4 mi	Dec 15, 2021
EF0	Light damage	1.5 mi × 80 yd	None	6 mi	Dec 15, 2021
EF1	Moderate damage	6.4 mi × 300 yd	None	0 mi	Aug 27, 2021
EF0	Light damage	2.2 mi × 90 yd	None	5 mi	Aug 27, 2021
EF0	Light damage	1.3 mi × 140 yd	None	6 mi	Aug 27, 2021
EF1	Moderate damage	8 mi × 30 yd	None	103 mi	Jul 14, 2021
EF1	Moderate damage	1.8 mi × 40 yd	None	97 mi	Jul 14, 2021
EF0	Light damage	0.4 mi × 10 yd	None	91 mi	Jul 14, 2021
EF0	Light damage	0.1 mi × 10 yd	None	76 mi	Jul 14, 2021
EF0	Light damage	0.1 mi × 10 yd	None	82 mi	Jul 14, 2021
EF0	Light damage	0.1 mi × 10 yd	None	74 mi	Jul 14, 2021
EF0	Light damage	0.1 mi × 10 yd	None	75 mi	Jul 14, 2021
EF1	Moderate damage	1.1 mi × 30 yd	None	79 mi	Jul 14, 2021
EF1	Moderate damage	1.4 mi × 40 yd	None	78 mi	Jul 14, 2021
EF0	Light damage	0.1 mi × 10 yd	None	70 mi	Jul 14, 2021
EF0	Light damage	0.1 mi × 10 yd	None	63 mi	Jul 14, 2021
EF0	Light damage	0.1 mi × 10 yd	None	65 mi	Jul 14, 2021
EF1	Moderate damage	4.6 mi × 560 yd	None	63 mi	Jul 14, 2021
EF1	Moderate damage	1.1 mi × 590 yd	None	63 mi	Jul 14, 2021
EF0	Light damage	3 mi × 30 yd	None	53 mi	Jul 14, 2021
EF0	Light damage	0.2 mi × 30 yd	None	53 mi	Jul 14, 2021
EF0	Light damage	2.5 mi × 150 yd	None	43 mi	Jul 14, 2021
EF2	Considerable damage	9.8 mi × 420 yd	None	26 mi	Jul 14, 2021
EF1	Moderate damage	3.1 mi × 630 yd	None	24 mi	Jul 14, 2021
EF0	Light damage	1.2 mi × 50 yd	None	18 mi	Jul 14, 2021
EF1	Moderate damage	1.5 mi × 150 yd	None	106 mi	Jun 20, 2021
EF0	Light damage	0.7 mi × 40 yd	0 dead, 1 hurt	91 mi	Apr 7, 2021
EF0	Light damage	0.9 mi × 40 yd	None	94 mi	Aug 10, 2020
EF0	Light damage	1.5 mi × 40 yd	None	57 mi	Aug 10, 2020
EF1	Moderate damage	2.9 mi × 100 yd	None	61 mi	Aug 10, 2020
EF0	Light damage	0.5 mi × 30 yd	None	109 mi	May 23, 2020
EF1	Moderate damage	6.4 mi × 30 yd	None	112 mi	May 23, 2020
EF1	Moderate damage	1.8 mi × 50 yd	None	111 mi	May 23, 2020
EF0	Light damage	5.3 mi × 50 yd	None	112 mi	May 23, 2020
EF0	Light damage	3.6 mi × 50 yd	None	54 mi	Mar 28, 2020
EF1	Moderate damage	3.9 mi × 140 yd	0 dead, 1 hurt	53 mi	Mar 28, 2020
EF1	Moderate damage	7.4 mi × 50 yd	None	52 mi	Mar 28, 2020
EF0	Light damage	0.3 mi × 20 yd	None	45 mi	Mar 28, 2020
EF0	Light damage	2.1 mi × 115 yd	None	46 mi	Mar 28, 2020
EF0	Light damage	2.3 mi × 40 yd	None	50 mi	Mar 28, 2020
EF0	Light damage	4.2 mi × 40 yd	None	72 mi	Sep 12, 2019
EF1	Moderate damage	1.6 mi × 120 yd	None	117 mi	Aug 20, 2019
EF2	Considerable damage	1.3 mi × 300 yd	None	162 mi	Jun 15, 2019
EF2	Considerable damage	1.8 mi × 260 yd	None	162 mi	Jun 15, 2019
EF0	Light damage	0.8 mi × 40 yd	None	160 mi	Jun 15, 2019
EF0	Light damage	1.1 mi × 10 yd	None	102 mi	Jun 9, 2019
EF0	Light damage	6.4 mi × 10 yd	None	87 mi	Jun 9, 2019
EF0	Light damage	3.5 mi × 10 yd	None	74 mi	Jun 9, 2019
EF0	Light damage	3.7 mi × 10 yd	None	71 mi	Jun 9, 2019
EF0	Light damage	0.3 mi × 20 yd	None	115 mi	May 29, 2019
EF0	Light damage	3.3 mi × 20 yd	None	97 mi	May 29, 2019
EF0	Light damage	1 mi × 30 yd	None	97 mi	May 29, 2019
EF0	Light damage	0.9 mi × 30 yd	None	99 mi	May 29, 2019
EF1	Moderate damage	3.5 mi × 50 yd	0 dead, 1 hurt	102 mi	May 29, 2019
EF0	Light damage	0.1 mi × 20 yd	None	92 mi	May 29, 2019
EF0	Light damage	N/A	None	118 mi	May 24, 2019
EF1	Moderate damage	10.8 mi × 75 yd	None	114 mi	May 24, 2019
EF0	Light damage	0.4 mi × 50 yd	None	33 mi	Oct 9, 2018
EF0	Light damage	1.5 mi × 50 yd	None	34 mi	Oct 9, 2018
EF0	Light damage	2 mi × 30 yd	None	79 mi	Oct 9, 2018
EF0	Light damage	0.3 mi × 20 yd	None	79 mi	Oct 9, 2018
EF0	Light damage	1.8 mi × 40 yd	None	92 mi	Oct 9, 2018
EF0	Light damage	N/A	None	85 mi	Oct 9, 2018
EF0	Light damage	0.7 mi × 50 yd	None	110 mi	Oct 3, 2018
EF1	Moderate damage	1.1 mi × 200 yd	None	145 mi	Sep 25, 2018
EF0	Light damage	0.1 mi × 20 yd	None	112 mi	Sep 25, 2018
EF1	Moderate damage	0.1 mi × 20 yd	None	87 mi	Sep 25, 2018
EF0	Light damage	0.3 mi × 20 yd	None	145 mi	Sep 25, 2018
EF1	Moderate damage	2.2 mi × 30 yd	None	90 mi	Sep 3, 2018
EF0	Light damage	N/A	None	89 mi	Sep 3, 2018
EF1	Moderate damage	5 mi × 100 yd	None	83 mi	Sep 3, 2018
EF0	Light damage	N/A	None	74 mi	Sep 3, 2018
EF0	Light damage	N/A	None	74 mi	Sep 3, 2018
EF0	Light damage	1.2 mi × 60 yd	None	121 mi	Jul 19, 2018
EF0	Light damage	1.2 mi × 60 yd	None	107 mi	Jul 19, 2018
EF2	Considerable damage	4.1 mi × 500 yd	None	108 mi	Jul 19, 2018
EF3	Severe damage	5.1 mi × 800 yd	0 dead, 13 hurt	104 mi	Jul 19, 2018
EF0	Light damage	1 mi × 40 yd	None	103 mi	Jul 19, 2018
EF0	Light damage	0.5 mi × 30 yd	None	136 mi	Jun 20, 2018
EF0	Light damage	6.3 mi × 50 yd	None	118 mi	Jun 20, 2018
EF1	Moderate damage	0.1 mi × 20 yd	None	74 mi	Jun 9, 2018
EF0	Light damage	N/A	None	111 mi	May 3, 2018
EF0	Light damage	0.1 mi × 10 yd	None	117 mi	Jul 21, 2017
EF1	Moderate damage	4.6 mi × 60 yd	None	99 mi	Jul 11, 2017
EF0	Light damage	N/A	None	73 mi	Jun 28, 2017
EF2	Considerable damage	1.2 mi × 30 yd	None	99 mi	Jun 28, 2017
EF2	Considerable damage	1.3 mi × 30 yd	None	98 mi	Jun 28, 2017
EF2	Considerable damage	1.5 mi × 200 yd	None	91 mi	Jun 28, 2017
EF2	Considerable damage	10.2 mi × 200 yd	0 dead, 1 hurt	88 mi	Jun 28, 2017
EF1	Moderate damage	6 mi × 40 yd	None	128 mi	May 17, 2017
EF0	Light damage	0.7 mi × 25 yd	None	146 mi	May 17, 2017
EF1	Moderate damage	2 mi × 25 yd	None	134 mi	May 17, 2017
EF1	Moderate damage	1.3 mi × 25 yd	None	135 mi	May 17, 2017
EF1	Moderate damage	3.2 mi × 25 yd	None	102 mi	Apr 15, 2017
EF2	Considerable damage	1.8 mi × 200 yd	0 dead, 3 hurt	142 mi	Mar 6, 2017
EF2	Considerable damage	0.3 mi × 150 yd	None	144 mi	Mar 6, 2017
EF0	Light damage	5.5 mi × 65 yd	None	104 mi	Mar 6, 2017
EF0	Light damage	1.2 mi × 30 yd	None	99 mi	Nov 28, 2016
EF0	Light damage	2.9 mi × 40 yd	None	102 mi	Nov 28, 2016
EF0	Light damage	1.6 mi × 30 yd	None	103 mi	Nov 28, 2016
EF0	Light damage	3.1 mi × 40 yd	None	29 mi	Nov 28, 2016
EF0	Light damage	1.5 mi × 25 yd	None	43 mi	Nov 28, 2016
EF0	Light damage	2.6 mi × 50 yd	None	31 mi	Nov 28, 2016
EF1	Moderate damage	9.5 mi × 30 yd	None	138 mi	Oct 6, 2016
EF0	Light damage	1.7 mi × 50 yd	None	9 mi	Sep 21, 2016
EF0	Light damage	0.1 mi × 10 yd	None	82 mi	Aug 28, 2016
EF0	Light damage	0.8 mi × 25 yd	None	97 mi	Jul 23, 2016
EF1	Moderate damage	0.2 mi × 10 yd	None	85 mi	Jul 23, 2016
EF1	Moderate damage	0.1 mi × 25 yd	None	75 mi	Jul 23, 2016
EF1	Moderate damage	0.1 mi × 25 yd	None	75 mi	Jul 23, 2016
EF2	Considerable damage	0.5 mi × 75 yd	0 dead, 4 hurt	93 mi	Jul 17, 2016
EF1	Moderate damage	3.5 mi × 75 yd	None	90 mi	Jul 17, 2016
EF2	Considerable damage	1.6 mi × 100 yd	0 dead, 5 hurt	71 mi	Jul 17, 2016
EF0	Light damage	0.2 mi × 10 yd	None	69 mi	Jun 14, 2016
EF0	Light damage	0.1 mi × 10 yd	None	143 mi	May 9, 2016
EF1	Moderate damage	1.1 mi × 25 yd	None	94 mi	Dec 23, 2015
EF1	Moderate damage	2.3 mi × 50 yd	None	87 mi	Dec 23, 2015
EF1	Moderate damage	7 mi × 50 yd	None	107 mi	Nov 11, 2015
EF0	Light damage	0.5 mi × 110 yd	None	103 mi	Nov 11, 2015
EF2	Considerable damage	6.2 mi × 150 yd	None	108 mi	Nov 11, 2015
EF1	Moderate damage	16 mi × 50 yd	None	115 mi	Nov 11, 2015
EF0	Light damage	1.7 mi × 130 yd	None	117 mi	Nov 11, 2015
EF0	Light damage	1.9 mi × 100 yd	None	74 mi	Nov 11, 2015
EF0	Light damage	0.1 mi × 20 yd	None	113 mi	Aug 18, 2015
EF0	Light damage	1.5 mi × 10 yd	None	147 mi	Jul 16, 2015
EF2	Considerable damage	1.7 mi × 290 yd	None	134 mi	Jun 22, 2015
EF1	Moderate damage	1.5 mi × 50 yd	0 dead, 2 hurt	57 mi	Jun 22, 2015
EF1	Moderate damage	1.4 mi × 75 yd	None	139 mi	Jun 20, 2015
EF1	Moderate damage	3 mi × 175 yd	None	129 mi	Jun 20, 2015
EF1	Moderate damage	0.6 mi × 70 yd	None	128 mi	Jun 20, 2015
EF0	Light damage	5.4 mi × 100 yd	None	35 mi	Aug 31, 2014
EF0	Light damage	3.2 mi × 80 yd	None	38 mi	Aug 31, 2014
EF0	Light damage	2.1 mi × 130 yd	None	32 mi	Aug 31, 2014
EF0	Light damage	0.8 mi × 85 yd	None	28 mi	Aug 31, 2014
EF0	Light damage	0.2 mi × 50 yd	None	27 mi	Aug 31, 2014
EF0	Light damage	1.7 mi × 65 yd	None	25 mi	Aug 31, 2014
EF0	Light damage	2.2 mi × 85 yd	None	26 mi	Aug 31, 2014
EF0	Light damage	2 mi × 55 yd	None	28 mi	Aug 31, 2014
EF0	Light damage	1.9 mi × 70 yd	None	28 mi	Aug 31, 2014
EF0	Light damage	0.5 mi × 25 yd	None	86 mi	Jul 6, 2014
EF0	Light damage	0.1 mi × 10 yd	None	69 mi	Jul 6, 2014
EF1	Moderate damage	9.7 mi × 225 yd	None	50 mi	Jul 6, 2014
EF0	Light damage	1.4 mi × 20 yd	None	49 mi	Jul 6, 2014
EF0	Light damage	N/A	None	49 mi	Jul 6, 2014
EF1	Moderate damage	3.2 mi × 100 yd	None	46 mi	Jul 6, 2014
EF0	Light damage	0.4 mi × 15 yd	None	23 mi	Jul 6, 2014
EF1	Moderate damage	0.4 mi × 75 yd	None	71 mi	Jun 30, 2014
EF2	Considerable damage	3.7 mi × 150 yd	None	55 mi	Jun 30, 2014
EF1	Moderate damage	1.9 mi × 50 yd	None	44 mi	Jun 29, 2014
EF1	Moderate damage	15.7 mi × 75 yd	None	85 mi	Jun 19, 2014
EF0	Light damage	0.1 mi × 30 yd	None	86 mi	Jun 16, 2014
EF1	Moderate damage	12.6 mi × 50 yd	None	71 mi	Jun 16, 2014
EF1	Moderate damage	1.3 mi × 50 yd	None	70 mi	Jun 16, 2014
EF0	Light damage	2 mi × 75 yd	None	30 mi	Jun 16, 2014
EF1	Moderate damage	2.1 mi × 120 yd	None	18 mi	Jun 16, 2014
EF0	Light damage	1.7 mi × 150 yd	None	15 mi	Jun 16, 2014
EF1	Moderate damage	4.7 mi × 100 yd	None	13 mi	Jun 16, 2014
EF0	Light damage	0.5 mi × 50 yd	None	104 mi	Apr 27, 2014
EF0	Light damage	4.2 mi × 100 yd	None	108 mi	Apr 27, 2014
EF1	Moderate damage	9.5 mi × 200 yd	None	111 mi	Apr 27, 2014
EF1	Moderate damage	29.3 mi × 1600 yd	2 dead, 2 hurt	129 mi	Apr 27, 2014
EF1	Moderate damage	2.7 mi × 150 yd	None	130 mi	Apr 27, 2014
EF0	Light damage	1.3 mi × 25 yd	None	126 mi	Apr 13, 2014
EF1	Moderate damage	6.5 mi × 100 yd	1 dead, 0 hurt	140 mi	Jun 24, 2013
EF1	Moderate damage	2.4 mi × 100 yd	None	136 mi	May 30, 2013
EF0	Light damage	1.6 mi × 10 yd	None	89 mi	May 29, 2013
EF0	Light damage	4.8 mi × 10 yd	None	85 mi	May 29, 2013
EF1	Moderate damage	3 mi × 30 yd	None	47 mi	May 24, 2012
EF2	Considerable damage	3.5 mi × 440 yd	None	141 mi	May 3, 2012
EF2	Considerable damage	3.2 mi × 440 yd	0 dead, 1 hurt	141 mi	May 3, 2012
EF1	Moderate damage	3 mi × 50 yd	None	127 mi	Apr 14, 2012
EF1	Moderate damage	1.3 mi × 90 yd	None	120 mi	Apr 14, 2012
EF0	Light damage	0.8 mi × 30 yd	None	66 mi	Jun 21, 2011
EF1	Moderate damage	0.4 mi × 75 yd	None	105 mi	Jun 20, 2011
EF0	Light damage	1.4 mi × 50 yd	None	59 mi	May 22, 2011
EF1	Moderate damage	7.9 mi × 70 yd	None	45 mi	May 22, 2011
EF0	Light damage	0.1 mi × 30 yd	None	36 mi	May 22, 2011
EF0	Light damage	2 mi × 25 yd	None	104 mi	May 22, 2011
EF2	Considerable damage	3.9 mi × 75 yd	None	88 mi	May 22, 2011
EF1	Moderate damage	0.3 mi × 35 yd	None	31 mi	Jun 23, 2010
EF0	Light damage	0.1 mi × 50 yd	None	102 mi	Aug 19, 2009
EF1	Moderate damage	2.2 mi × 100 yd	None	59 mi	Aug 19, 2009
EF0	Light damage	3.5 mi × 40 yd	None	51 mi	Aug 19, 2009
EF0	Light damage	1.1 mi × 40 yd	None	37 mi	Aug 19, 2009
EF1	Moderate damage	2.1 mi × 70 yd	None	39 mi	Jun 21, 2009
EF1	Moderate damage	2.3 mi × 90 yd	None	37 mi	Jun 21, 2009
EF0	Light damage	0.4 mi × 30 yd	None	36 mi	Jun 21, 2009
EF1	Moderate damage	6.1 mi × 100 yd	None	87 mi	Apr 26, 2009
EF1	Moderate damage	15 mi × 100 yd	None	83 mi	Apr 26, 2009
EF0	Light damage	0.7 mi × 25 yd	None	62 mi	Jul 19, 2008
EF0	Light damage	1 mi × 10 yd	None	100 mi	Jul 10, 2008
EF1	Moderate damage	1.5 mi × 75 yd	None	79 mi	Jul 2, 2008
EF1	Moderate damage	2.1 mi × 100 yd	None	129 mi	Jun 8, 2008
EF1	Moderate damage	1 mi × 75 yd	None	73 mi	Jun 8, 2008
EF1	Moderate damage	14.3 mi × 150 yd	0 dead, 2 hurt	97 mi	Jun 5, 2008
EF1	Moderate damage	6.9 mi × 250 yd	None	118 mi	May 30, 2008
EF0	Light damage	0.1 mi × 100 yd	None	104 mi	May 25, 2008
EF1	Moderate damage	6.2 mi × 440 yd	None	93 mi	May 25, 2008
EF1	Moderate damage	1.5 mi × 250 yd	None	94 mi	May 25, 2008
EF1	Moderate damage	7 mi × 250 yd	None	87 mi	May 25, 2008
EF1	Moderate damage	11.1 mi × 880 yd	None	70 mi	May 25, 2008
EF1	Moderate damage	3.5 mi × 100 yd	None	69 mi	May 25, 2008
EF3	Severe damage	20.9 mi × 1232 yd	0 dead, 3 hurt	51 mi	May 25, 2008
EF2	Considerable damage	24.2 mi × 2100 yd	0 dead, 20 hurt	33 mi	May 25, 2008
EF0	Light damage	1.1 mi × 50 yd	None	31 mi	May 25, 2008
EF5	Incredible destruction	15.6 mi × 1235 yd	9 dead, 50 hurt	28 mi	May 25, 2008
EF2	Considerable damage	1.1 mi × 75 yd	None	29 mi	May 25, 2008
EF2	Considerable damage	6.5 mi × 150 yd	None	129 mi	Apr 25, 2008
EF1	Moderate damage	1.3 mi × 20 yd	None	147 mi	Apr 25, 2008
EF0	Light damage	N/A	None	124 mi	Apr 10, 2008
EF0	Light damage	1.8 mi × 100 yd	None	112 mi	Apr 10, 2008
EF0	Light damage	2.4 mi × 25 yd	None	90 mi	Apr 10, 2008
EF1	Moderate damage	7.6 mi × 50 yd	None	101 mi	Apr 10, 2008
EF1	Moderate damage	3 mi × 50 yd	None	123 mi	Apr 10, 2008
EF1	Moderate damage	1 mi × 100 yd	None	116 mi	Oct 2, 2007
EF0	Light damage	0.5 mi × 20 yd	None	124 mi	Oct 2, 2007
EF0	Light damage	3.2 mi × 25 yd	None	120 mi	Oct 2, 2007
EF1	Moderate damage	5 mi × 150 yd	None	86 mi	Sep 30, 2007
EF2	Considerable damage	12 mi × 1250 yd	None	96 mi	Sep 30, 2007
EF2	Considerable damage	5.8 mi × 1250 yd	None	101 mi	Sep 30, 2007
EF2	Considerable damage	3.5 mi × 1250 yd	None	103 mi	Sep 30, 2007
EF1	Moderate damage	0.6 mi × 530 yd	None	104 mi	Sep 30, 2007
EF1	Moderate damage	1.2 mi × 100 yd	None	83 mi	Jul 18, 2007
EF1	Moderate damage	0.5 mi × 100 yd	None	129 mi	Jul 16, 2007
EF0	Light damage	0.1 mi × 30 yd	None	40 mi	Jun 21, 2007
EF0	Light damage	0.1 mi × 30 yd	None	22 mi	Jun 21, 2007
EF0	Light damage	0.1 mi × 25 yd	None	24 mi	Jun 21, 2007
EF1	Moderate damage	1.1 mi × 75 yd	None	129 mi	Jun 1, 2007
EF3	Severe damage	10.2 mi × 774 yd	0 dead, 6 hurt	144 mi	Jun 1, 2007
EF3	Severe damage	5.6 mi × 774 yd	0 dead, 1 hurt	146 mi	Jun 1, 2007
EF1	Moderate damage	4 mi × 200 yd	None	83 mi	Mar 31, 2007
EF1	Moderate damage	7.9 mi × 200 yd	None	83 mi	Mar 31, 2007
EF0	Light damage	0.3 mi × 75 yd	None	52 mi	Mar 31, 2007
EF0	Light damage	0.2 mi × 30 yd	None	66 mi	Jul 17, 2006
EF1	Moderate damage	0.2 mi × 175 yd	None	118 mi	Jun 6, 2006
EF0	Light damage	N/A	None	118 mi	Jun 6, 2006
EF0	Light damage	2.7 mi × 220 yd	None	143 mi	Apr 13, 2006
EF1	Moderate damage	0.5 mi × 25 yd	None	115 mi	Apr 13, 2006
EF0	Light damage	3.7 mi × 220 yd	None	141 mi	Apr 13, 2006
EF1	Moderate damage	4.5 mi × 176 yd	None	128 mi	Apr 13, 2006
EF1	Moderate damage	0.3 mi × 176 yd	None	128 mi	Apr 13, 2006
EF1	Moderate damage	8.9 mi × 440 yd	1 dead, 1 hurt	131 mi	Apr 13, 2006
EF1	Moderate damage	0.5 mi × 440 yd	None	131 mi	Apr 13, 2006
EF1	Moderate damage	5.1 mi × 700 yd	None	119 mi	Apr 13, 2006
EF2	Considerable damage	4.5 mi × 587 yd	0 dead, 30 hurt	113 mi	Apr 13, 2006
EF1	Moderate damage	3.6 mi × 350 yd	None	116 mi	Apr 13, 2006
EF1	Moderate damage	3.7 mi × 880 yd	0 dead, 1 hurt	100 mi	Apr 13, 2006
EF0	Light damage	4.8 mi × 150 yd	None	80 mi	Apr 13, 2006
EF0	Light damage	1 mi × 200 yd	None	89 mi	Apr 13, 2006
EF0	Light damage	0.1 mi × 30 yd	None	57 mi	Apr 13, 2006
EF1	Moderate damage	0.1 mi × 50 yd	None	123 mi	Apr 2, 2006
EF2	Considerable damage	1 mi × 75 yd	None	130 mi	Apr 2, 2006
EF0	Light damage	0.2 mi × 30 yd	None	63 mi	Aug 19, 2005
EF0	Light damage	3.4 mi × 20 yd	None	65 mi	Aug 11, 2005
EF0	Light damage	0.7 mi × 20 yd	None	88 mi	Jun 29, 2005
EF0	Light damage	0.2 mi × 25 yd	None	8 mi	May 26, 2005
EF1	Moderate damage	4.2 mi × 440 yd	None	94 mi	Aug 26, 2004
EF1	Moderate damage	0.8 mi × 40 yd	None	93 mi	Aug 26, 2004
EF1	Moderate damage	N/A	None	90 mi	Aug 26, 2004
EF0	Light damage	0.2 mi × 20 yd	None	63 mi	Jul 5, 2004
EF0	Light damage	0.3 mi × 30 yd	None	97 mi	May 30, 2004
EF0	Light damage	0.3 mi × 40 yd	None	70 mi	May 30, 2004
EF0	Light damage	0.2 mi × 30 yd	None	67 mi	May 30, 2004
EF1	Moderate damage	0.2 mi × 50 yd	None	101 mi	May 30, 2004
EF0	Light damage	0.2 mi × 40 yd	None	71 mi	May 30, 2004
EF0	Light damage	2 mi × 50 yd	None	67 mi	May 22, 2004
EF1	Moderate damage	17 mi × 100 yd	None	62 mi	May 22, 2004
EF0	Light damage	0.5 mi × 40 yd	None	81 mi	May 22, 2004
EF0	Light damage	0.5 mi × 50 yd	None	73 mi	May 22, 2004
EF0	Light damage	0.2 mi × 25 yd	None	34 mi	May 21, 2004
EF2	Considerable damage	5 mi × 500 yd	None	63 mi	May 21, 2004
EF1	Moderate damage	6 mi × 100 yd	None	102 mi	May 21, 2004
EF0	Light damage	N/A	None	71 mi	May 21, 2004
EF3	Severe damage	3 mi × 200 yd	None	84 mi	May 21, 2004
EF1	Moderate damage	1.7 mi × 150 yd	None	84 mi	May 21, 2004
EF0	Light damage	0.1 mi × 50 yd	None	67 mi	May 21, 2004
EF0	Light damage	0.1 mi × 50 yd	None	83 mi	May 21, 2004
EF0	Light damage	0.5 mi × 40 yd	None	35 mi	May 21, 2004
EF1	Moderate damage	0.5 mi × 70 yd	None	105 mi	Jul 20, 2003
EF1	Moderate damage	2.4 mi × 440 yd	None	118 mi	Jul 20, 2003
EF2	Considerable damage	0.3 mi × 200 yd	None	92 mi	Jul 20, 2003
EF2	Considerable damage	1 mi × 300 yd	None	88 mi	Jul 20, 2003
EF0	Light damage	3.5 mi × 35 yd	None	102 mi	Jul 20, 2003
EF1	Moderate damage	6.8 mi × 150 yd	None	62 mi	Jul 20, 2003
EF0	Light damage	8.3 mi × 100 yd	None	155 mi	May 10, 2003
EF0	Light damage	11.5 mi × 200 yd	None	150 mi	May 10, 2003
EF0	Light damage	0.1 mi × 25 yd	None	66 mi	May 10, 2003
EF1	Moderate damage	3.5 mi × 40 yd	None	114 mi	May 10, 2003
EF0	Light damage	0.2 mi × 20 yd	None	130 mi	Apr 30, 2003
EF0	Light damage	16 mi × 880 yd	None	154 mi	Apr 30, 2003
EF0	Light damage	1 mi × 25 yd	None	131 mi	Apr 30, 2003
EF0	Light damage	1.5 mi × 25 yd	None	131 mi	Apr 30, 2003
EF0	Light damage	0.1 mi × 10 yd	None	111 mi	Aug 23, 2002
EF1	Moderate damage	1.6 mi × 100 yd	None	140 mi	Aug 21, 2002
EF0	Light damage	N/A	None	70 mi	Jun 26, 2002
EF1	Moderate damage	7 mi × 40 yd	None	7 mi	Jun 21, 2002
EF0	Light damage	0.1 mi × 10 yd	None	132 mi	Jun 12, 2002
EF0	Light damage	0.1 mi × 10 yd	None	117 mi	Jun 12, 2002
EF0	Light damage	0.1 mi × 10 yd	None	86 mi	Jun 12, 2002
EF0	Light damage	0.1 mi × 10 yd	None	131 mi	May 8, 2002
EF0	Light damage	0.3 mi × 30 yd	None	49 mi	Apr 18, 2002
EF0	Light damage	0.2 mi × 30 yd	None	36 mi	Apr 18, 2002
EF2	Considerable damage	1 mi × 50 yd	None	63 mi	Sep 6, 2001
EF1	Moderate damage	6 mi × 100 yd	None	60 mi	Sep 6, 2001
EF0	Light damage	3.5 mi × 40 yd	None	62 mi	Sep 6, 2001
EF2	Considerable damage	10 mi × 100 yd	None	25 mi	Sep 6, 2001
EF1	Moderate damage	1.5 mi × 75 yd	None	25 mi	Sep 6, 2001
EF1	Moderate damage	0.1 mi × 100 yd	None	114 mi	Jun 14, 2001
EF0	Light damage	0.2 mi × 25 yd	None	97 mi	Jun 12, 2001
EF0	Light damage	0.1 mi × 10 yd	None	74 mi	Jun 1, 2001
EF0	Light damage	0.1 mi × 10 yd	None	72 mi	Jun 1, 2001
EF0	Light damage	0.1 mi × 10 yd	None	78 mi	Jun 1, 2001
EF0	Light damage	0.1 mi × 10 yd	None	67 mi	Jun 1, 2001
EF0	Light damage	3 mi × 150 yd	None	61 mi	Jun 1, 2001
EF0	Light damage	0.1 mi × 10 yd	None	62 mi	Jun 1, 2001
EF0	Light damage	0.1 mi × 10 yd	None	49 mi	Jun 1, 2001
EF1	Moderate damage	1 mi × 150 yd	None	65 mi	Jun 1, 2001
EF0	Light damage	0.6 mi × 35 yd	None	51 mi	Jun 1, 2001
EF0	Light damage	0.1 mi × 25 yd	None	47 mi	Jun 1, 2001
EF0	Light damage	0.2 mi × 30 yd	None	38 mi	Jun 1, 2001
EF0	Light damage	0.2 mi × 30 yd	None	30 mi	Jun 1, 2001
EF0	Light damage	0.1 mi × 25 yd	None	28 mi	Jun 1, 2001
EF1	Moderate damage	8.5 mi × 100 yd	None	31 mi	Jun 1, 2001
EF0	Light damage	0.2 mi × 30 yd	None	37 mi	Jun 1, 2001
EF0	Light damage	1 mi × 75 yd	None	76 mi	May 10, 2001
EF0	Light damage	0.1 mi × 10 yd	None	114 mi	May 10, 2001
EF1	Moderate damage	1 mi × 100 yd	None	96 mi	May 10, 2001
EF0	Light damage	0.2 mi × 25 yd	None	54 mi	May 10, 2001
EF1	Moderate damage	5 mi × 220 yd	0 dead, 3 hurt	62 mi	Apr 23, 2001
EF0	Light damage	0.3 mi × 30 yd	None	50 mi	Apr 23, 2001
EF1	Moderate damage	2 mi × 75 yd	0 dead, 1 hurt	53 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 10 yd	None	66 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 10 yd	None	98 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 10 yd	None	92 mi	Apr 11, 2001
EF1	Moderate damage	10 mi × 50 yd	None	28 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 10 yd	None	108 mi	Apr 11, 2001
EF0	Light damage	2 mi × 50 yd	None	108 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 10 yd	None	117 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 10 yd	None	106 mi	Apr 11, 2001
EF0	Light damage	3 mi × 50 yd	None	115 mi	Apr 11, 2001
EF3	Severe damage	23.5 mi × 500 yd	None	57 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 20 yd	None	73 mi	Apr 8, 2001
EF0	Light damage	0.1 mi × 10 yd	None	71 mi	Apr 8, 2001
EF0	Light damage	0.2 mi × 25 yd	None	61 mi	Jun 13, 2000
EF0	Light damage	0.5 mi × 50 yd	None	35 mi	Jun 13, 2000
EF1	Moderate damage	10.7 mi × 50 yd	None	130 mi	Jun 1, 2000
EF0	Light damage	0.1 mi × 10 yd	None	108 mi	May 31, 2000
EF1	Moderate damage	0.1 mi × 10 yd	0 dead, 1 hurt	86 mi	May 31, 2000
EF0	Light damage	0.1 mi × 10 yd	None	108 mi	May 18, 2000
EF0	Light damage	0.1 mi × 10 yd	None	101 mi	May 18, 2000
EF0	Light damage	3.6 mi × 15 yd	None	102 mi	May 18, 2000
EF0	Light damage	5.5 mi × 220 yd	None	64 mi	May 11, 2000
EF2	Considerable damage	5 mi × 150 yd	None	46 mi	May 11, 2000
EF1	Moderate damage	8 mi × 333 yd	None	55 mi	May 11, 2000
EF0	Light damage	0.1 mi × 10 yd	None	56 mi	May 11, 2000
EF2	Considerable damage	3.6 mi × 120 yd	None	43 mi	May 11, 2000
EF0	Light damage	0.1 mi × 10 yd	None	48 mi	May 11, 2000
EF3	Severe damage	18.5 mi × 400 yd	1 dead, 25 hurt	38 mi	May 11, 2000
EF0	Light damage	0.3 mi × 30 yd	None	34 mi	May 11, 2000
EF1	Moderate damage	2 mi × 80 yd	None	16 mi	Jul 20, 1999
EF2	Considerable damage	8.5 mi × 50 yd	None	28 mi	Jul 2, 1999
EF2	Considerable damage	4.5 mi × 35 yd	None	27 mi	Jul 2, 1999
EF0	Light damage	0.1 mi × 10 yd	None	84 mi	Jun 10, 1999
EF0	Light damage	0.1 mi × 10 yd	None	101 mi	Jun 10, 1999
EF0	Light damage	0.1 mi × 10 yd	None	94 mi	Jun 10, 1999
EF0	Light damage	0.1 mi × 10 yd	None	141 mi	Apr 8, 1999
EF0	Light damage	0.1 mi × 10 yd	None	133 mi	Apr 8, 1999
EF0	Light damage	0.1 mi × 20 yd	None	71 mi	Aug 8, 1998
EF0	Light damage	0.2 mi × 25 yd	None	82 mi	Jul 9, 1998
EF1	Moderate damage	1 mi × 45 yd	None	63 mi	Jun 29, 1998
EF0	Light damage	0.1 mi × 20 yd	None	77 mi	Jun 27, 1998
EF2	Considerable damage	5 mi × 75 yd	None	26 mi	Jun 27, 1998
EF2	Considerable damage	20.5 mi × 75 yd	None	27 mi	Jun 27, 1998
EF0	Light damage	0.1 mi × 1 yd	None	147 mi	Jun 18, 1998
EF1	Moderate damage	1 mi × 100 yd	0 dead, 1 hurt	160 mi	Jun 18, 1998
EF0	Light damage	0.1 mi × 0 yd	None	110 mi	Jun 18, 1998
EF0	Light damage	0.1 mi × 0 yd	None	106 mi	Jun 18, 1998
EF1	Moderate damage	15 mi × 10 yd	None	64 mi	Jun 18, 1998
EF2	Considerable damage	20 mi × 25 yd	None	54 mi	Jun 18, 1998
EF0	Light damage	0.1 mi × 1 yd	None	98 mi	May 28, 1998
EF0	Light damage	0.1 mi × 1 yd	None	84 mi	May 28, 1998
EF0	Light damage	0.1 mi × 1 yd	None	83 mi	May 28, 1998
EF0	Light damage	0.2 mi × 3 yd	None	113 mi	May 15, 1998
EF3	Severe damage	15 mi × 400 yd	0 dead, 2 hurt	122 mi	May 15, 1998
EF3	Severe damage	14 mi × 400 yd	0 dead, 17 hurt	123 mi	May 15, 1998
EF3	Severe damage	18 mi × 400 yd	0 dead, 28 hurt	131 mi	May 15, 1998
EF0	Light damage	0.1 mi × 20 yd	None	132 mi	May 15, 1998
EF0	Light damage	0.1 mi × 1 yd	None	84 mi	May 8, 1998
EF0	Light damage	0.1 mi × 1 yd	None	79 mi	May 8, 1998
EF1	Moderate damage	0.2 mi × 30 yd	None	137 mi	Mar 30, 1998
EF1	Moderate damage	13.5 mi × 50 yd	None	17 mi	Jun 5, 1997
EF1	Moderate damage	3 mi × 50 yd	None	107 mi	May 18, 1997
EF1	Moderate damage	0.2 mi × 50 yd	None	106 mi	May 18, 1997
EF0	Light damage	10 mi × 20 yd	None	142 mi	Apr 30, 1997
EF0	Light damage	0.3 mi × 20 yd	None	63 mi	Jun 29, 1996
EF0	Light damage	2 mi × 30 yd	None	88 mi	Jun 16, 1996
EF0	Light damage	6 mi × 20 yd	None	52 mi	Jun 16, 1996
EF0	Light damage	10 mi × 20 yd	None	24 mi	Jun 16, 1996
EF0	Light damage	0.1 mi × 25 yd	None	67 mi	May 19, 1996
EF1	Moderate damage	1.5 mi × 60 yd	0 dead, 2 hurt	131 mi	May 9, 1996
EF0	Light damage	1 mi × 30 yd	None	134 mi	May 9, 1996
EF2	Considerable damage	7.5 mi × 100 yd	None	123 mi	Jul 27, 1995
EF0	Light damage	0.5 mi × 30 yd	None	126 mi	Jul 27, 1995
EF0	Light damage	0.1 mi × 25 yd	None	88 mi	Jul 27, 1995
EF0	Light damage	0.1 mi × 25 yd	None	100 mi	Jul 27, 1995
EF3	Severe damage	20.5 mi × 150 yd	None	66 mi	Jul 27, 1995
EF2	Considerable damage	7 mi × 100 yd	None	113 mi	May 9, 1995
EF0	Light damage	0.5 mi × 40 yd	None	142 mi	May 9, 1995
EF0	Light damage	0.1 mi × 50 yd	None	142 mi	May 9, 1995
EF0	Light damage	0.1 mi × 20 yd	None	72 mi	Aug 3, 1994
EF2	Considerable damage	9.5 mi × 100 yd	None	21 mi	Jul 7, 1994
EF0	Light damage	0.2 mi × 20 yd	None	49 mi	Jul 6, 1994
EF2	Considerable damage	5.7 mi × 73 yd	None	116 mi	Jul 13, 1992
EF3	Severe damage	5 mi × 73 yd	None	105 mi	Jul 13, 1992
EF0	Light damage	0.1 mi × 13 yd	None	117 mi	Jul 2, 1992
EF0	Light damage	0.1 mi × 13 yd	None	121 mi	Jun 19, 1992
EF1	Moderate damage	1 mi × 23 yd	None	77 mi	Jun 19, 1992
EF0	Light damage	0.2 mi × 23 yd	None	73 mi	Jun 19, 1992
EF1	Moderate damage	4.7 mi × 23 yd	None	38 mi	Jun 16, 1992
EF1	Moderate damage	2 mi × 23 yd	None	136 mi	Apr 20, 1992
EF0	Light damage	0.5 mi × 20 yd	None	99 mi	Sep 12, 1991
EF0	Light damage	0.1 mi × 20 yd	None	92 mi	Sep 12, 1991
EF2	Considerable damage	7 mi × 70 yd	None	105 mi	Sep 12, 1991
EF0	Light damage	0.2 mi × 13 yd	None	70 mi	Sep 12, 1991
EF1	Moderate damage	0.6 mi × 20 yd	None	55 mi	Sep 12, 1991
EF0	Light damage	0.1 mi × 13 yd	None	121 mi	Jul 22, 1991
EF0	Light damage	0.1 mi × 13 yd	None	29 mi	Jun 14, 1991
EF0	Light damage	0.2 mi × 13 yd	None	53 mi	Jun 10, 1991
EF0	Light damage	0.2 mi × 20 yd	None	119 mi	May 29, 1991
EF1	Moderate damage	0.1 mi × 17 yd	None	135 mi	May 17, 1991
EF1	Moderate damage	1.5 mi × 30 yd	None	105 mi	May 14, 1991
EF1	Moderate damage	17 mi × 50 yd	None	85 mi	May 14, 1991
EF0	Light damage	0.1 mi × 17 yd	None	81 mi	May 14, 1991
EF1	Moderate damage	2 mi × 40 yd	None	95 mi	Apr 27, 1991
EF2	Considerable damage	4.5 mi × 50 yd	None	93 mi	Apr 27, 1991
EF0	Light damage	0.5 mi × 17 yd	None	91 mi	Apr 8, 1991
EF0	Light damage	0.1 mi × 20 yd	None	94 mi	Mar 22, 1991
EF2	Considerable damage	17 mi × 80 yd	0 dead, 1 hurt	81 mi	Mar 22, 1991
EF2	Considerable damage	10 mi × 80 yd	None	121 mi	Mar 22, 1991
EF2	Considerable damage	4 mi × 80 yd	None	126 mi	Mar 22, 1991
EF0	Light damage	0.1 mi × 20 yd	None	87 mi	Mar 22, 1991
EF2	Considerable damage	19 mi × 50 yd	None	48 mi	Mar 22, 1991
EF2	Considerable damage	1 mi × 50 yd	None	49 mi	Mar 22, 1991
EF0	Light damage	0.1 mi × 13 yd	None	61 mi	Aug 29, 1990
EF0	Light damage	0.1 mi × 20 yd	None	112 mi	Aug 19, 1990
EF0	Light damage	0.3 mi × 20 yd	None	101 mi	Jul 4, 1990
EF0	Light damage	0.1 mi × 20 yd	None	78 mi	Jun 28, 1990
EF1	Moderate damage	5.5 mi × 30 yd	None	44 mi	Jun 28, 1990
EF0	Light damage	0.2 mi × 27 yd	None	49 mi	Jun 27, 1990
EF0	Light damage	0.1 mi × 17 yd	None	117 mi	Jun 16, 1990
EF2	Considerable damage	8 mi × 67 yd	None	76 mi	Jun 13, 1990
EF0	Light damage	0.2 mi × 20 yd	None	52 mi	Jun 12, 1990
EF2	Considerable damage	5 mi × 67 yd	None	76 mi	Jun 2, 1990
EF2	Considerable damage	5.5 mi × 67 yd	None	73 mi	Jun 2, 1990
EF1	Moderate damage	0.3 mi × 40 yd	None	41 mi	May 19, 1990
EF4	Devastating damage	1 mi × 200 yd	None	98 mi	Mar 13, 1990
EF4	Devastating damage	9 mi × 200 yd	None	93 mi	Mar 13, 1990
EF1	Moderate damage	6 mi × 30 yd	None	100 mi	Mar 13, 1990
EF4	Devastating damage	5 mi × 200 yd	None	93 mi	Mar 13, 1990
EF4	Devastating damage	4 mi × 200 yd	None	90 mi	Mar 13, 1990
EF0	Light damage	0.1 mi × 23 yd	None	120 mi	Mar 8, 1990
EF1	Moderate damage	2.5 mi × 30 yd	None	109 mi	Mar 8, 1990
EF0	Light damage	0.2 mi × 20 yd	None	62 mi	Sep 1, 1989
EF0	Light damage	0.2 mi × 20 yd	0 dead, 1 hurt	92 mi	Jun 26, 1989
EF4	Devastating damage	2 mi × 200 yd	None	51 mi	May 30, 1989
EF0	Light damage	0.3 mi × 23 yd	None	74 mi	May 24, 1989
EF0	Light damage	0.2 mi × 50 yd	None	66 mi	May 24, 1989
EF4	Devastating damage	8 mi × 150 yd	None	55 mi	May 24, 1989
EF4	Devastating damage	13.5 mi × 150 yd	None	53 mi	May 24, 1989
EF1	Moderate damage	6 mi × 40 yd	None	98 mi	Apr 26, 1989
EF1	Moderate damage	0.1 mi × 10 yd	None	58 mi	Apr 26, 1989
EF0	Light damage	0.2 mi × 20 yd	None	84 mi	Nov 15, 1988
EF2	Considerable damage	11 mi × 63 yd	None	80 mi	Nov 15, 1988
EF2	Considerable damage	6 mi × 63 yd	None	134 mi	Nov 15, 1988
EF1	Moderate damage	1 mi × 20 yd	None	26 mi	Nov 15, 1988
EF0	Light damage	0.5 mi × 20 yd	None	131 mi	Nov 15, 1988
EF1	Moderate damage	5 mi × 50 yd	None	108 mi	Nov 15, 1988
EF1	Moderate damage	14 mi × 50 yd	None	118 mi	Nov 15, 1988
EF0	Light damage	0.3 mi × 13 yd	None	61 mi	Jul 9, 1988
EF2	Considerable damage	7 mi × 90 yd	None	124 mi	May 8, 1988
EF0	Light damage	0.5 mi × 20 yd	None	84 mi	May 8, 1988
EF0	Light damage	0.5 mi × 20 yd	None	89 mi	May 8, 1988
EF0	Light damage	1 mi × 20 yd	None	101 mi	May 8, 1988
EF1	Moderate damage	10 mi × 40 yd	None	106 mi	May 8, 1988
EF1	Moderate damage	1.5 mi × 40 yd	None	127 mi	May 8, 1988
EF2	Considerable damage	7 mi × 60 yd	None	136 mi	May 8, 1988
EF0	Light damage	1 mi × 20 yd	None	113 mi	May 8, 1988
EF2	Considerable damage	13 mi × 60 yd	None	115 mi	May 8, 1988
EF2	Considerable damage	19 mi × 60 yd	None	136 mi	May 8, 1988
EF2	Considerable damage	27 mi × 60 yd	None	103 mi	May 8, 1988
EF2	Considerable damage	11 mi × 60 yd	None	115 mi	May 8, 1988
EF2	Considerable damage	12 mi × 60 yd	None	112 mi	May 8, 1988
EF1	Moderate damage	1.5 mi × 33 yd	None	44 mi	May 8, 1988
EF1	Moderate damage	1 mi × 20 yd	None	48 mi	May 8, 1988
EF1	Moderate damage	6 mi × 40 yd	None	118 mi	May 8, 1988
EF1	Moderate damage	1 mi × 20 yd	None	46 mi	May 8, 1988
EF2	Considerable damage	28 mi × 60 yd	None	104 mi	May 8, 1988
EF2	Considerable damage	4 mi × 60 yd	None	102 mi	May 8, 1988
EF1	Moderate damage	2.5 mi × 20 yd	None	122 mi	Apr 2, 1988
EF1	Moderate damage	1 mi × 20 yd	None	119 mi	Aug 21, 1987
EF1	Moderate damage	1 mi × 20 yd	None	142 mi	Aug 21, 1987
EF0	Light damage	0.3 mi × 13 yd	None	93 mi	Aug 18, 1987
EF1	Moderate damage	0.5 mi × 20 yd	None	48 mi	Jul 18, 1987
EF0	Light damage	0.5 mi × 20 yd	None	57 mi	Jul 14, 1987
EF1	Moderate damage	0.1 mi × 13 yd	None	34 mi	Jul 14, 1987
EF0	Light damage	0.3 mi × 13 yd	None	65 mi	Jul 11, 1987
EF0	Light damage	0.1 mi × 13 yd	None	106 mi	Jul 8, 1987
EF1	Moderate damage	12 mi × 27 yd	None	136 mi	May 20, 1987
EF1	Moderate damage	11.5 mi × 27 yd	None	141 mi	May 20, 1987
EF1	Moderate damage	1.5 mi × 27 yd	None	143 mi	May 20, 1987
EF0	Light damage	0.2 mi × 20 yd	None	119 mi	May 17, 1987
EF1	Moderate damage	2 mi × 10 yd	None	120 mi	Apr 14, 1987
EF1	Moderate damage	0.2 mi × 10 yd	None	105 mi	Sep 22, 1986
EF1	Moderate damage	0.1 mi × 23 yd	0 dead, 3 hurt	83 mi	Aug 7, 1986
EF0	Light damage	0.1 mi × 13 yd	None	144 mi	Aug 5, 1986
EF1	Moderate damage	0.2 mi × 23 yd	None	94 mi	Jun 10, 1986
EF1	Moderate damage	0.2 mi × 23 yd	None	89 mi	Jun 10, 1986
EF0	Light damage	0.1 mi × 13 yd	None	114 mi	Jun 10, 1986
EF0	Light damage	0.1 mi × 13 yd	None	136 mi	May 8, 1986
EF0	Light damage	1 mi × 13 yd	None	75 mi	Aug 24, 1985
EF0	Light damage	0.1 mi × 7 yd	None	88 mi	Aug 14, 1985
EF0	Light damage	0.1 mi × 7 yd	None	107 mi	Aug 14, 1985
EF1	Moderate damage	0.1 mi × 7 yd	None	92 mi	Aug 14, 1985
EF0	Light damage	0.2 mi × 3 yd	None	36 mi	Jul 5, 1985
EF0	Light damage	0.1 mi × 10 yd	None	42 mi	Jun 21, 1985
EF3	Severe damage	14 mi × 1500 yd	0 dead, 2 hurt	89 mi	May 30, 1985
EF3	Severe damage	20 mi × 500 yd	2 dead, 25 hurt	69 mi	May 30, 1985
EF0	Light damage	1 mi × 20 yd	None	102 mi	May 11, 1985
EF1	Moderate damage	1 mi × 50 yd	0 dead, 4 hurt	117 mi	May 11, 1985
EF1	Moderate damage	1 mi × 50 yd	None	117 mi	May 11, 1985
EF1	Moderate damage	3 mi × 40 yd	None	124 mi	Oct 14, 1984
EF1	Moderate damage	2 mi × 40 yd	0 dead, 2 hurt	127 mi	Oct 14, 1984
EF0	Light damage	N/A	None	103 mi	Jun 22, 1984
EF0	Light damage	N/A	None	81 mi	Jun 22, 1984
EF0	Light damage	N/A	None	21 mi	Jun 22, 1984
EF0	Light damage	N/A	None	10 mi	Jun 22, 1984
EF1	Moderate damage	6 mi × 77 yd	None	6 mi	Jun 22, 1984
EF1	Moderate damage	0.5 mi × 40 yd	None	129 mi	Jun 17, 1984
EF1	Moderate damage	2 mi × 40 yd	None	96 mi	Jun 17, 1984
EF2	Considerable damage	6 mi × 200 yd	None	118 mi	Jun 7, 1984
EF4	Devastating damage	7 mi × 250 yd	None	111 mi	Jun 7, 1984
EF2	Considerable damage	8 mi × 200 yd	None	118 mi	Jun 7, 1984
EF4	Devastating damage	29 mi × 250 yd	1 dead, 33 hurt	109 mi	Jun 7, 1984
EF2	Considerable damage	10 mi × 200 yd	0 dead, 1 hurt	113 mi	Jun 7, 1984
EF4	Devastating damage	14 mi × 250 yd	1 dead, 30 hurt	125 mi	Jun 7, 1984
EF0	Light damage	3 mi × 30 yd	None	44 mi	May 19, 1984
EF0	Light damage	0.5 mi × 30 yd	None	84 mi	Apr 29, 1984
EF1	Moderate damage	15 mi × 50 yd	0 dead, 1 hurt	125 mi	Jul 1, 1983
EF1	Moderate damage	0.2 mi × 20 yd	None	64 mi	Jun 29, 1983
EF1	Moderate damage	0.1 mi × 20 yd	None	71 mi	Jun 29, 1983
EF1	Moderate damage	12 mi × 40 yd	None	98 mi	Jun 29, 1983
EF1	Moderate damage	19 mi × 40 yd	None	116 mi	Jun 29, 1983
EF1	Moderate damage	0.1 mi × 10 yd	None	140 mi	Jun 29, 1983
EF1	Moderate damage	6.1 mi × 20 yd	None	110 mi	Jun 18, 1983
EF0	Light damage	0.1 mi × 10 yd	None	135 mi	May 1, 1983
EF1	Moderate damage	2.5 mi × 17 yd	None	154 mi	Dec 2, 1982
EF0	Light damage	0.3 mi × 30 yd	None	90 mi	Oct 6, 1982
EF0	Light damage	0.3 mi × 30 yd	None	103 mi	Oct 6, 1982
EF1	Moderate damage	0.2 mi × 10 yd	None	56 mi	Jul 6, 1982
EF1	Moderate damage	0.5 mi × 20 yd	0 dead, 1 hurt	128 mi	Jul 6, 1982
EF0	Light damage	0.1 mi × 3 yd	None	32 mi	Jul 6, 1982
EF0	Light damage	N/A	None	115 mi	May 20, 1982
EF0	Light damage	N/A	None	120 mi	May 20, 1982
EF0	Light damage	N/A	None	112 mi	May 20, 1982
EF0	Light damage	N/A	None	114 mi	May 20, 1982
EF0	Light damage	N/A	None	18 mi	Aug 28, 1981
EF2	Considerable damage	0.8 mi × 100 yd	None	41 mi	Apr 10, 1981
EF0	Light damage	53.4 mi × 33 yd	None	116 mi	Apr 4, 1981
EF0	Light damage	32.2 mi × 33 yd	None	142 mi	Apr 3, 1981
EF0	Light damage	16.6 mi × 33 yd	None	141 mi	Apr 3, 1981
EF0	Light damage	1.3 mi × 50 yd	None	141 mi	Apr 3, 1981
EF1	Moderate damage	2.7 mi × 80 yd	None	92 mi	Apr 3, 1981
EF1	Moderate damage	0.2 mi × 20 yd	None	131 mi	Jun 17, 1980
EF1	Moderate damage	4.9 mi × 200 yd	None	86 mi	Aug 26, 1979
EF1	Moderate damage	0.2 mi × 60 yd	None	104 mi	Aug 19, 1979
EF1	Moderate damage	2 mi × 30 yd	None	91 mi	Aug 8, 1979
EF1	Moderate damage	1 mi × 30 yd	None	109 mi	Jul 30, 1979
EF0	Light damage	N/A	None	134 mi	Jul 27, 1979
EF1	Moderate damage	0.2 mi × 20 yd	None	104 mi	Jul 13, 1979
EF0	Light damage	2 mi × 30 yd	None	66 mi	Jun 19, 1979
EF1	Moderate damage	8 mi × 30 yd	None	83 mi	Jun 9, 1979
EF1	Moderate damage	2 mi × 77 yd	None	55 mi	Jun 5, 1979
EF1	Moderate damage	2 mi × 77 yd	None	55 mi	Jun 5, 1979
EF1	Moderate damage	2 mi × 77 yd	None	55 mi	Jun 5, 1979
EF1	Moderate damage	2 mi × 77 yd	None	53 mi	Jun 5, 1979
EF1	Moderate damage	2 mi × 77 yd	None	54 mi	Jun 5, 1979
EF0	Light damage	0.5 mi × 100 yd	None	120 mi	Sep 16, 1978
EF0	Light damage	1 mi × 100 yd	0 dead, 1 hurt	117 mi	Sep 16, 1978
EF3	Severe damage	4.1 mi × 200 yd	4 dead, 43 hurt	88 mi	Sep 16, 1978
EF3	Severe damage	16.4 mi × 200 yd	2 dead, 2 hurt	76 mi	Sep 16, 1978
EF0	Light damage	1 mi × 60 yd	None	43 mi	Jul 7, 1978
EF2	Considerable damage	0.7 mi × 100 yd	0 dead, 1 hurt	98 mi	Jun 26, 1978
EF1	Moderate damage	0.1 mi × 10 yd	None	110 mi	Jun 17, 1978
EF0	Light damage	0.5 mi × 33 yd	0 dead, 1 hurt	135 mi	Aug 16, 1977
EF0	Light damage	0.5 mi × 60 yd	None	111 mi	Aug 15, 1977
EF0	Light damage	2 mi × 60 yd	None	115 mi	Aug 15, 1977
EF0	Light damage	0.2 mi × 20 yd	None	91 mi	Aug 15, 1977
EF2	Considerable damage	1.9 mi × 20 yd	None	24 mi	Jul 16, 1977
EF1	Moderate damage	0.5 mi × 10 yd	None	49 mi	Jul 6, 1977
EF0	Light damage	1 mi × 20 yd	None	41 mi	Jun 7, 1977
EF0	Light damage	N/A	None	90 mi	May 16, 1977
EF0	Light damage	1 mi × 20 yd	None	55 mi	May 4, 1977
EF0	Light damage	17.8 mi × 30 yd	None	61 mi	May 4, 1977
EF0	Light damage	N/A	None	144 mi	May 4, 1977
EF0	Light damage	N/A	None	146 mi	May 4, 1977
EF1	Moderate damage	N/A	None	131 mi	Mar 28, 1977
EF0	Light damage	1 mi × 30 yd	None	125 mi	Aug 24, 1976
EF2	Considerable damage	14 mi × 100 yd	None	49 mi	Jun 13, 1976
EF2	Considerable damage	6.9 mi × 100 yd	0 dead, 2 hurt	45 mi	Jun 12, 1976

📈 Historical Trends

Tornado activity near Marble Rock over 49 years

682

Total tornados on record

13.6

Average per year

EF5

Strongest recorded

May

Peak month

EF Scale Distribution

EF0

336

EF1

233

EF2

EF3

EF4

EF5

Yearly Tornado Count

1976 2025

Strongest Tornados on Record

EF5 BUTLER, IO May 25, 2008

15.6 mi path 9 deaths 50 injured

EF4 KEOKUK, IO Jun 7, 1984

29 mi path 1 deaths 33 injured

EF4 MAHASKA, IO Jun 7, 1984

14 mi path 1 deaths 30 injured

EF4 MARSHALL, IO May 24, 1989

13.5 mi path

EF4 DELAWARE, IO Mar 13, 1990

9 mi path

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

Tornado season is active. Marble Rock sees the most tornado activity in May. Stay alert and have your shelter plan ready.

US Tornado Activity by Month

Jan

Feb

Mar

Apr

10%

PEAK

May

18%

Jun

16%

Jul

12%

Aug

Sep

Oct

Nov

Dec

Current month Peak for Marble Rock

🛡️ Tornado Safety

What to know before, during, and after a tornado

⚠️ Tornado Watch

Meaning: Conditions are favorable for tornado development

Be prepared to take shelter. Stay alert for changing conditions.

🌪️ Tornado Warning

Meaning: A tornado has been spotted or detected on radar

TAKE COVER IMMEDIATELY in your nearest safe shelter.

⚠️ Step 1

Tornado Watch — Be Prepared

Conditions are favorable for tornados. Monitor weather alerts, charge your phone, and review your shelter plan. Move vehicles into garages if possible.

🌪️ Step 2

Tornado Warning — Take Cover NOW

A tornado has been sighted or indicated by radar. Move immediately to an interior room on the lowest floor (basement, bathroom, closet). Get under sturdy furniture. Stay away from windows.

🔍 Step 3

After a Tornado

Stay in your shelter until the warning expires. Check for injuries, avoid downed power lines, and watch for gas leaks. Document damage for insurance before cleanup.

Where to Shelter

✓ Best: Underground shelter or basement

✓ Good: Interior room on lowest floor

✓ Acceptable: Bathroom or closet (no exterior walls)

✓ If driving: Pull over, get below road level in a ditch

✗ NEVER: Stay in a mobile home — leave for sturdy building

✗ NEVER: Shelter under a highway overpass

📍 Nearby Tornado Monitoring

Cities near Marble Rock with live tracking