Tornado Alerts Near Rock Falls, IA 50467

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Rock Falls

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

Historical Tornado Risk

Activity level High

Average per year 12.2 tornados

Peak season month June

Total on record 608 tornados

📋 Tornado History

Historical tornado events within 250 miles of Rock Falls

EF Rating	Damage	Path	Casualties	Distance	Date
EF0	Light damage	1 mi × 40 yd	None	98 mi	Sep 4, 2025
EF0	Light damage	3.5 mi × 40 yd	None	105 mi	Sep 4, 2025
EF0	Light damage	0.4 mi × 35 yd	None	36 mi	Aug 17, 2025
EF0	Light damage	1.6 mi × 15 yd	None	16 mi	Jul 28, 2025
EF0	Light damage	1.2 mi × 20 yd	None	39 mi	Jul 28, 2025
EF1	Moderate damage	4.4 mi × 250 yd	None	120 mi	Jun 28, 2025
EF1	Moderate damage	7.2 mi × 300 yd	None	123 mi	Jun 28, 2025
EF0	Light damage	3.4 mi × 50 yd	None	116 mi	Jun 28, 2025
EF0	Light damage	2.1 mi × 25 yd	None	117 mi	Jun 28, 2025
EF0	Light damage	5.7 mi × 50 yd	None	111 mi	Jun 28, 2025
EF0	Light damage	5.2 mi × 75 yd	None	31 mi	Jun 26, 2025
EF1	Moderate damage	5.2 mi × 25 yd	None	47 mi	Jun 25, 2025
EF0	Light damage	1.7 mi × 25 yd	None	48 mi	Jun 25, 2025
EF0	Light damage	3.3 mi × 25 yd	None	44 mi	Jun 25, 2025
EF0	Light damage	1.5 mi × 25 yd	None	46 mi	Jun 25, 2025
EF0	Light damage	0.6 mi × 25 yd	None	44 mi	Jun 25, 2025
EF0	Light damage	1.2 mi × 25 yd	None	44 mi	Jun 25, 2025
EF0	Light damage	1.3 mi × 50 yd	None	91 mi	Jun 16, 2025
EF0	Light damage	0.2 mi × 25 yd	None	100 mi	Jun 16, 2025
EF1	Moderate damage	3.3 mi × 175 yd	None	72 mi	Apr 28, 2025
EF0	Light damage	0.4 mi × 40 yd	None	72 mi	Apr 28, 2025
EF0	Light damage	0.3 mi × 25 yd	None	111 mi	Aug 26, 2024
EF0	Light damage	0.1 mi × 20 yd	None	15 mi	Aug 5, 2024
EF0	Light damage	0.8 mi × 30 yd	None	15 mi	Aug 5, 2024
EF0	Light damage	0.3 mi × 20 yd	None	25 mi	Aug 5, 2024
EF1	Moderate damage	6.5 mi × 150 yd	None	32 mi	Aug 5, 2024
EF0	Light damage	4.8 mi × 50 yd	None	50 mi	Aug 5, 2024
EF1	Moderate damage	1.5 mi × 50 yd	None	59 mi	Aug 5, 2024
EF1	Moderate damage	3.8 mi × 150 yd	None	72 mi	Aug 5, 2024
EF1	Moderate damage	2.3 mi × 150 yd	None	74 mi	Aug 5, 2024
EF1	Moderate damage	2.3 mi × 50 yd	None	101 mi	Aug 5, 2024
EF0	Light damage	0.5 mi × 20 yd	None	73 mi	Jul 13, 2024
EF0	Light damage	2.3 mi × 75 yd	None	76 mi	May 21, 2024
EF0	Light damage	0.1 mi × 10 yd	None	111 mi	Jun 10, 2023
EF0	Light damage	3.5 mi × 100 yd	None	120 mi	Aug 27, 2022
EF0	Light damage	0.3 mi × 50 yd	None	117 mi	Aug 27, 2022
EF0	Light damage	0.8 mi × 150 yd	None	112 mi	Aug 27, 2022
EF0	Light damage	0.4 mi × 100 yd	None	108 mi	Aug 27, 2022
EF0	Light damage	0.9 mi × 100 yd	None	105 mi	Aug 27, 2022
EF0	Light damage	0.5 mi × 25 yd	None	45 mi	Jul 31, 2022
EF0	Light damage	1.6 mi × 80 yd	None	93 mi	Jul 5, 2022
EF0	Light damage	0.9 mi × 400 yd	None	130 mi	May 30, 2022
EF0	Light damage	6.5 mi × 400 yd	None	125 mi	May 30, 2022
EF1	Moderate damage	11.1 mi × 400 yd	None	117 mi	May 30, 2022
EF0	Light damage	2.6 mi × 50 yd	None	109 mi	May 11, 2022
EF0	Light damage	2.9 mi × 50 yd	None	108 mi	May 11, 2022
EF0	Light damage	1.5 mi × 50 yd	None	99 mi	May 11, 2022
EF0	Light damage	N/A	None	113 mi	May 11, 2022
EF1	Moderate damage	1.2 mi × 70 yd	None	5 mi	Apr 12, 2022
EF1	Moderate damage	4.5 mi × 100 yd	None	10 mi	Apr 12, 2022
EF0	Light damage	6.4 mi × 75 yd	None	47 mi	Dec 15, 2021
EF0	Light damage	6.7 mi × 100 yd	None	29 mi	Dec 15, 2021
EF0	Light damage	0.7 mi × 50 yd	None	21 mi	Dec 15, 2021
EF1	Moderate damage	4.3 mi × 75 yd	None	21 mi	Dec 15, 2021
EF2	Considerable damage	2.2 mi × 55 yd	None	46 mi	Dec 15, 2021
EF1	Moderate damage	6.3 mi × 100 yd	None	24 mi	Dec 15, 2021
EF0	Light damage	1.1 mi × 50 yd	None	20 mi	Dec 15, 2021
EF0	Light damage	2.6 mi × 100 yd	None	25 mi	Dec 15, 2021
EF0	Light damage	0.9 mi × 50 yd	None	19 mi	Dec 15, 2021
EF1	Moderate damage	1.6 mi × 25 yd	None	40 mi	Dec 15, 2021
EF0	Light damage	9.1 mi × 80 yd	None	13 mi	Dec 15, 2021
EF1	Moderate damage	3.6 mi × 75 yd	None	40 mi	Dec 15, 2021
EF0	Light damage	3.5 mi × 60 yd	None	0 mi	Dec 15, 2021
EF0	Light damage	0.2 mi × 90 yd	None	36 mi	Dec 15, 2021
EF1	Moderate damage	2.6 mi × 90 yd	None	36 mi	Dec 15, 2021
EF1	Moderate damage	11.2 mi × 90 yd	None	89 mi	Dec 15, 2021
EF0	Light damage	1 mi × 50 yd	None	110 mi	Sep 17, 2021
EF0	Light damage	0.8 mi × 75 yd	None	106 mi	Sep 17, 2021
EF0	Light damage	2.1 mi × 200 yd	None	108 mi	Sep 17, 2021
EF0	Light damage	1.6 mi × 50 yd	None	98 mi	Sep 17, 2021
EF0	Light damage	0.4 mi × 25 yd	None	51 mi	Aug 28, 2021
EF0	Light damage	0.7 mi × 25 yd	None	52 mi	Aug 28, 2021
EF0	Light damage	0.6 mi × 20 yd	None	109 mi	Aug 28, 2021
EF0	Light damage	0.9 mi × 25 yd	None	109 mi	Aug 28, 2021
EF0	Light damage	3.3 mi × 20 yd	None	115 mi	Aug 28, 2021
EF0	Light damage	4.3 mi × 25 yd	None	112 mi	Aug 28, 2021
EF0	Light damage	2.1 mi × 250 yd	None	20 mi	Aug 27, 2021
EF0	Light damage	5.1 mi × 225 yd	None	14 mi	Jul 14, 2021
EF0	Light damage	0.2 mi × 25 yd	None	98 mi	May 19, 2021
EF1	Moderate damage	1.2 mi × 25 yd	None	85 mi	May 19, 2021
EF0	Light damage	0.2 mi × 10 yd	None	84 mi	May 19, 2021
EF0	Light damage	0.5 mi × 25 yd	None	100 mi	May 19, 2021
EF0	Light damage	0.3 mi × 25 yd	None	99 mi	May 19, 2021
EF0	Light damage	1.8 mi × 50 yd	None	71 mi	May 19, 2021
EF0	Light damage	0.3 mi × 15 yd	None	69 mi	May 19, 2021
EF0	Light damage	0.7 mi × 25 yd	None	69 mi	May 19, 2021
EF0	Light damage	0.8 mi × 25 yd	None	69 mi	May 19, 2021
EF0	Light damage	0.3 mi × 75 yd	None	118 mi	Aug 14, 2020
EF1	Moderate damage	2.4 mi × 250 yd	None	124 mi	Aug 14, 2020
EF0	Light damage	2.2 mi × 300 yd	None	125 mi	Aug 14, 2020
EF0	Light damage	0.2 mi × 15 yd	None	112 mi	Jul 25, 2020
EF1	Moderate damage	1.9 mi × 50 yd	None	112 mi	Jul 25, 2020
EF0	Light damage	2.4 mi × 125 yd	None	87 mi	Jul 11, 2020
EF0	Light damage	0.7 mi × 30 yd	None	53 mi	Jun 18, 2020
EF0	Light damage	0.6 mi × 50 yd	None	30 mi	May 26, 2020
EF0	Light damage	0.3 mi × 25 yd	None	106 mi	May 26, 2020
EF1	Moderate damage	2.5 mi × 210 yd	None	126 mi	Sep 2, 2019
EF0	Light damage	1.3 mi × 90 yd	None	126 mi	Sep 2, 2019
EF0	Light damage	0.3 mi × 25 yd	None	94 mi	Aug 13, 2019
EF0	Light damage	5.9 mi × 25 yd	None	55 mi	Aug 13, 2019
EF0	Light damage	N/A	None	73 mi	Aug 10, 2019
EF1	Moderate damage	2.6 mi × 440 yd	None	128 mi	Jul 28, 2019
EF0	Light damage	0.3 mi × 25 yd	None	127 mi	Jul 28, 2019
EF0	Light damage	4 mi × 200 yd	None	127 mi	Jul 28, 2019
EF0	Light damage	0.3 mi × 100 yd	None	101 mi	Jul 15, 2019
EF0	Light damage	0.1 mi × 25 yd	None	82 mi	Jul 5, 2019
EF0	Light damage	0.2 mi × 25 yd	None	105 mi	Jul 5, 2019
EF0	Light damage	N/A	None	38 mi	Jul 1, 2019
EF0	Light damage	0.5 mi × 30 yd	None	100 mi	Jun 20, 2019
EF0	Light damage	2 mi × 50 yd	None	112 mi	Jun 20, 2019
EF0	Light damage	N/A	None	58 mi	Jun 17, 2019
EF0	Light damage	0.6 mi × 50 yd	None	28 mi	May 27, 2019
EF1	Moderate damage	0.6 mi × 75 yd	None	85 mi	Sep 20, 2018
EF1	Moderate damage	4.7 mi × 550 yd	None	83 mi	Sep 20, 2018
EF1	Moderate damage	1.4 mi × 100 yd	None	75 mi	Sep 20, 2018
EF0	Light damage	5.5 mi × 75 yd	None	83 mi	Sep 20, 2018
EF1	Moderate damage	5.8 mi × 440 yd	None	81 mi	Sep 20, 2018
EF1	Moderate damage	5.8 mi × 300 yd	None	72 mi	Sep 20, 2018
EF1	Moderate damage	4.7 mi × 440 yd	None	80 mi	Sep 20, 2018
EF1	Moderate damage	9.1 mi × 500 yd	None	69 mi	Sep 20, 2018
EF1	Moderate damage	1.6 mi × 150 yd	None	79 mi	Sep 20, 2018
EF2	Considerable damage	3 mi × 600 yd	None	77 mi	Sep 20, 2018
EF1	Moderate damage	8.1 mi × 300 yd	None	60 mi	Sep 20, 2018
EF1	Moderate damage	8.6 mi × 440 yd	None	74 mi	Sep 20, 2018
EF1	Moderate damage	7.2 mi × 350 yd	None	64 mi	Sep 20, 2018
EF2	Considerable damage	4.9 mi × 300 yd	None	72 mi	Sep 20, 2018
EF0	Light damage	3.9 mi × 250 yd	None	64 mi	Sep 20, 2018
EF1	Moderate damage	5.8 mi × 330 yd	None	73 mi	Sep 20, 2018
EF0	Light damage	1.4 mi × 125 yd	None	73 mi	Sep 20, 2018
EF0	Light damage	0.7 mi × 20 yd	None	68 mi	Sep 20, 2018
EF1	Moderate damage	10.9 mi × 300 yd	None	62 mi	Sep 20, 2018
EF1	Moderate damage	7.1 mi × 440 yd	0 dead, 1 hurt	73 mi	Sep 20, 2018
EF0	Light damage	0.8 mi × 70 yd	None	81 mi	Sep 20, 2018
EF0	Light damage	1.2 mi × 70 yd	None	80 mi	Sep 20, 2018
EF0	Light damage	1.2 mi × 70 yd	None	69 mi	Sep 20, 2018
EF1	Moderate damage	5.3 mi × 220 yd	None	73 mi	Sep 20, 2018
EF0	Light damage	1.2 mi × 35 yd	None	94 mi	Sep 20, 2018
EF1	Moderate damage	3.9 mi × 25 yd	None	98 mi	Sep 20, 2018
EF1	Moderate damage	1.2 mi × 50 yd	None	65 mi	Sep 4, 2018
EF0	Light damage	1.8 mi × 100 yd	None	78 mi	Aug 27, 2018
EF0	Light damage	0.5 mi × 100 yd	None	78 mi	Aug 27, 2018
EF0	Light damage	0.2 mi × 10 yd	None	84 mi	Jul 19, 2018
EF0	Light damage	1.2 mi × 30 yd	None	18 mi	Jun 9, 2018
EF1	Moderate damage	2.8 mi × 80 yd	None	29 mi	Jun 9, 2018
EF0	Light damage	0.4 mi × 20 yd	None	56 mi	May 25, 2018
EF0	Light damage	0.1 mi × 30 yd	None	125 mi	Aug 16, 2017
EF0	Light damage	0.8 mi × 50 yd	None	129 mi	Aug 16, 2017
EF0	Light damage	1.2 mi × 75 yd	None	107 mi	Aug 16, 2017
EF0	Light damage	0.6 mi × 25 yd	None	125 mi	Aug 16, 2017
EF0	Light damage	0.8 mi × 10 yd	None	96 mi	Aug 16, 2017
EF0	Light damage	0.6 mi × 10 yd	None	95 mi	Aug 16, 2017
EF0	Light damage	4.1 mi × 75 yd	None	111 mi	Aug 16, 2017
EF0	Light damage	1.4 mi × 60 yd	None	109 mi	Aug 16, 2017
EF1	Moderate damage	1.6 mi × 75 yd	None	104 mi	Aug 16, 2017
EF1	Moderate damage	3.7 mi × 75 yd	None	100 mi	Aug 16, 2017
EF0	Light damage	1.3 mi × 20 yd	None	99 mi	Aug 16, 2017
EF0	Light damage	1.9 mi × 25 yd	None	90 mi	Aug 16, 2017
EF0	Light damage	3.9 mi × 75 yd	None	90 mi	Aug 16, 2017
EF1	Moderate damage	2.7 mi × 100 yd	None	89 mi	Jul 9, 2017
EF0	Light damage	1.3 mi × 50 yd	None	100 mi	Jul 9, 2017
EF0	Light damage	2.2 mi × 300 yd	None	45 mi	Mar 6, 2017
EF1	Moderate damage	9.7 mi × 300 yd	None	39 mi	Mar 6, 2017
EF1	Moderate damage	9.3 mi × 200 yd	None	45 mi	Mar 6, 2017
EF0	Light damage	0.1 mi × 50 yd	None	39 mi	Aug 18, 2016
EF0	Light damage	0.5 mi × 30 yd	None	57 mi	Jul 30, 2016
EF0	Light damage	0.3 mi × 20 yd	None	37 mi	Jul 27, 2016
EF0	Light damage	0.4 mi × 15 yd	None	65 mi	Jul 27, 2016
EF0	Light damage	0.4 mi × 25 yd	None	129 mi	Jul 27, 2016
EF1	Moderate damage	3.7 mi × 100 yd	None	78 mi	Jul 5, 2016
EF0	Light damage	2.1 mi × 20 yd	None	75 mi	Jun 14, 2016
EF0	Light damage	0.3 mi × 25 yd	None	79 mi	Jun 14, 2016
EF0	Light damage	1 mi × 25 yd	None	73 mi	Jun 14, 2016
EF0	Light damage	1.2 mi × 25 yd	None	72 mi	Jun 14, 2016
EF0	Light damage	0.2 mi × 25 yd	None	77 mi	Jun 14, 2016
EF0	Light damage	0.3 mi × 25 yd	None	94 mi	Jul 24, 2015
EF1	Moderate damage	5.1 mi × 100 yd	None	128 mi	Jul 17, 2015
EF0	Light damage	2.8 mi × 50 yd	None	92 mi	Jun 22, 2015
EF0	Light damage	0.3 mi × 50 yd	None	94 mi	May 3, 2015
EF0	Light damage	0.1 mi × 50 yd	None	109 mi	Aug 21, 2014
EF0	Light damage	0.8 mi × 25 yd	None	80 mi	Aug 17, 2014
EF0	Light damage	1.1 mi × 40 yd	None	7 mi	Jun 16, 2014
EF1	Moderate damage	3 mi × 110 yd	None	12 mi	Jun 16, 2014
EF0	Light damage	1.1 mi × 25 yd	None	45 mi	Jun 1, 2014
EF0	Light damage	1.5 mi × 50 yd	None	90 mi	May 8, 2014
EF0	Light damage	0.4 mi × 50 yd	None	90 mi	May 8, 2014
EF0	Light damage	0.2 mi × 50 yd	None	90 mi	May 8, 2014
EF0	Light damage	0.8 mi × 50 yd	None	93 mi	May 8, 2014
EF0	Light damage	0.5 mi × 50 yd	None	117 mi	Nov 10, 2012
EF0	Light damage	0.5 mi × 50 yd	None	114 mi	Nov 10, 2012
EF0	Light damage	2.8 mi × 100 yd	None	107 mi	Nov 10, 2012
EF0	Light damage	3.2 mi × 100 yd	None	120 mi	Aug 23, 2012
EF0	Light damage	1.7 mi × 50 yd	None	99 mi	Jun 10, 2012
EF0	Light damage	0.6 mi × 50 yd	None	99 mi	Jun 10, 2012
EF1	Moderate damage	0.8 mi × 90 yd	None	40 mi	May 4, 2012
EF0	Light damage	3.4 mi × 50 yd	None	41 mi	May 4, 2012
EF0	Light damage	0.1 mi × 25 yd	None	90 mi	May 4, 2012
EF0	Light damage	0.5 mi × 50 yd	None	96 mi	Apr 21, 2012
EF0	Light damage	0.1 mi × 15 yd	None	123 mi	Apr 15, 2012
EF0	Light damage	3.7 mi × 100 yd	None	75 mi	Mar 19, 2012
EF0	Light damage	2.8 mi × 100 yd	None	72 mi	Mar 19, 2012
EF0	Light damage	0.2 mi × 30 yd	None	45 mi	Jun 19, 2011
EF0	Light damage	0.1 mi × 25 yd	None	111 mi	May 28, 2011
EF1	Moderate damage	6.1 mi × 880 yd	1 dead, 48 hurt	122 mi	May 22, 2011
EF0	Light damage	0.1 mi × 25 yd	None	83 mi	Aug 13, 2010
EF1	Moderate damage	1.5 mi × 125 yd	0 dead, 1 hurt	101 mi	Aug 13, 2010
EF0	Light damage	0.1 mi × 20 yd	None	100 mi	Aug 11, 2010
EF0	Light damage	0.2 mi × 40 yd	None	72 mi	Aug 10, 2010
EF1	Moderate damage	1.7 mi × 100 yd	None	89 mi	Jul 14, 2010
EF0	Light damage	N/A	None	89 mi	Jul 14, 2010
EF0	Light damage	3.5 mi × 75 yd	None	89 mi	Jul 14, 2010
EF0	Light damage	0.8 mi × 50 yd	None	51 mi	Jun 26, 2010
EF0	Light damage	0.5 mi × 30 yd	None	56 mi	Jun 26, 2010
EF0	Light damage	1.9 mi × 50 yd	None	96 mi	Jun 26, 2010
EF0	Light damage	2.7 mi × 30 yd	None	64 mi	Jun 26, 2010
EF0	Light damage	1.4 mi × 50 yd	None	94 mi	Jun 26, 2010
EF0	Light damage	0.3 mi × 25 yd	None	94 mi	Jun 26, 2010
EF0	Light damage	0.4 mi × 30 yd	None	75 mi	Jun 25, 2010
EF0	Light damage	0.9 mi × 30 yd	None	47 mi	Jun 25, 2010
EF0	Light damage	1 mi × 10 yd	None	88 mi	Jun 25, 2010
EF0	Light damage	0.3 mi × 50 yd	None	78 mi	Jun 25, 2010
EF2	Considerable damage	1.9 mi × 40 yd	None	73 mi	Jun 25, 2010
EF1	Moderate damage	4.3 mi × 75 yd	None	85 mi	Jun 25, 2010
EF2	Considerable damage	0.9 mi × 50 yd	None	82 mi	Jun 25, 2010
EF2	Considerable damage	4.3 mi × 75 yd	None	98 mi	Jun 25, 2010
EF2	Considerable damage	0.3 mi × 50 yd	None	111 mi	Jun 25, 2010
EF1	Moderate damage	4.1 mi × 33 yd	None	49 mi	Jun 17, 2010
EF0	Light damage	4.9 mi × 25 yd	None	48 mi	Jun 17, 2010
EF0	Light damage	0.6 mi × 50 yd	None	48 mi	Jun 17, 2010
EF2	Considerable damage	2.5 mi × 100 yd	0 dead, 1 hurt	47 mi	Jun 17, 2010
EF3	Severe damage	4.3 mi × 440 yd	None	45 mi	Jun 17, 2010
EF1	Moderate damage	2.2 mi × 220 yd	None	42 mi	Jun 17, 2010
EF3	Severe damage	5 mi × 600 yd	None	39 mi	Jun 17, 2010
EF1	Moderate damage	4.9 mi × 220 yd	None	36 mi	Jun 17, 2010
EF1	Moderate damage	5.7 mi × 600 yd	None	45 mi	Jun 17, 2010
EF2	Considerable damage	7 mi × 880 yd	None	46 mi	Jun 17, 2010
EF1	Moderate damage	6.9 mi × 600 yd	None	40 mi	Jun 17, 2010
EF3	Severe damage	11.1 mi × 1320 yd	None	38 mi	Jun 17, 2010
EF1	Moderate damage	1.1 mi × 100 yd	None	37 mi	Jun 17, 2010
EF4	Devastating damage	16.9 mi × 1760 yd	1 dead, 14 hurt	38 mi	Jun 17, 2010
EF1	Moderate damage	0.4 mi × 50 yd	None	38 mi	Jun 17, 2010
EF0	Light damage	0.2 mi × 50 yd	None	38 mi	Jun 17, 2010
EF0	Light damage	0.3 mi × 50 yd	None	38 mi	Jun 17, 2010
EF2	Considerable damage	2.5 mi × 50 yd	None	40 mi	Jun 17, 2010
EF2	Considerable damage	1.5 mi × 50 yd	None	40 mi	Jun 17, 2010
EF0	Light damage	0.4 mi × 30 yd	None	44 mi	Jun 17, 2010
EF0	Light damage	1.5 mi × 30 yd	None	45 mi	Jun 17, 2010
EF0	Light damage	0.9 mi × 30 yd	None	45 mi	Jun 17, 2010
EF0	Light damage	1.7 mi × 20 yd	None	53 mi	Jun 17, 2010
EF0	Light damage	3 mi × 50 yd	None	74 mi	Jun 17, 2010
EF0	Light damage	0.7 mi × 20 yd	None	51 mi	Jun 17, 2010
EF0	Light damage	0.8 mi × 25 yd	None	132 mi	Jun 17, 2010
EF0	Light damage	0.7 mi × 20 yd	None	56 mi	Jun 17, 2010
EF0	Light damage	2.7 mi × 75 yd	None	59 mi	Jun 17, 2010
EF0	Light damage	3.7 mi × 20 yd	None	117 mi	Aug 19, 2009
EF0	Light damage	4.3 mi × 500 yd	None	118 mi	Aug 19, 2009
EF1	Moderate damage	9.1 mi × 200 yd	None	125 mi	Aug 8, 2009
EF0	Light damage	1.8 mi × 10 yd	None	42 mi	Jun 21, 2009
EF0	Light damage	N/A	None	41 mi	Jun 21, 2009
EF0	Light damage	0.3 mi × 5 yd	None	42 mi	Jun 21, 2009
EF0	Light damage	N/A	None	58 mi	Jun 21, 2009
EF0	Light damage	2.3 mi × 50 yd	None	64 mi	Jun 17, 2009
EF2	Considerable damage	9.6 mi × 120 yd	0 dead, 1 hurt	36 mi	Jun 17, 2009
EF0	Light damage	1.8 mi × 50 yd	None	44 mi	Jun 17, 2009
EF0	Light damage	0.3 mi × 50 yd	None	97 mi	May 8, 2009
EF0	Light damage	0.6 mi × 30 yd	None	60 mi	Jul 19, 2008
EF0	Light damage	N/A	None	72 mi	Jul 17, 2008
EF0	Light damage	6 mi × 25 yd	None	100 mi	Jul 10, 2008
EF0	Light damage	0.5 mi × 25 yd	None	52 mi	Jul 9, 2008
EF0	Light damage	0.3 mi × 25 yd	None	109 mi	Jun 11, 2008
EF1	Moderate damage	2 mi × 25 yd	None	113 mi	Jun 11, 2008
EF0	Light damage	0.4 mi × 25 yd	None	114 mi	Jun 11, 2008
EF1	Moderate damage	0.6 mi × 25 yd	None	113 mi	Jun 11, 2008
EF0	Light damage	1 mi × 40 yd	None	14 mi	Jun 7, 2008
EF0	Light damage	1.1 mi × 25 yd	None	10 mi	Jun 7, 2008
EF0	Light damage	2.1 mi × 50 yd	None	16 mi	Jun 7, 2008
EF0	Light damage	1.7 mi × 75 yd	None	19 mi	Jun 7, 2008
EF1	Moderate damage	6.4 mi × 150 yd	None	37 mi	Jun 7, 2008
EF0	Light damage	0.1 mi × 30 yd	None	59 mi	Apr 24, 2008
EF0	Light damage	1 mi × 30 yd	None	128 mi	Sep 16, 2006
EF3	Severe damage	17.5 mi × 880 yd	1 dead, 30 hurt	95 mi	Aug 24, 2006
EF3	Severe damage	15.5 mi × 880 yd	0 dead, 7 hurt	95 mi	Aug 24, 2006
EF0	Light damage	0.5 mi × 30 yd	0 dead, 2 hurt	95 mi	Aug 24, 2006
EF1	Moderate damage	1 mi × 50 yd	None	93 mi	Aug 1, 2006
EF1	Moderate damage	3 mi × 100 yd	None	93 mi	Aug 1, 2006
EF3	Severe damage	1.5 mi × 440 yd	None	95 mi	Aug 1, 2006
EF0	Light damage	0.1 mi × 50 yd	None	103 mi	Aug 1, 2006
EF0	Light damage	0.1 mi × 25 yd	None	3 mi	Jul 3, 2005
EF0	Light damage	0.2 mi × 30 yd	None	84 mi	Jun 20, 2005
EF0	Light damage	1 mi × 25 yd	None	82 mi	May 8, 2005
EF0	Light damage	0.2 mi × 30 yd	None	7 mi	Mar 30, 2005
EF0	Light damage	0.5 mi × 40 yd	None	8 mi	Mar 30, 2005
EF0	Light damage	1.1 mi × 50 yd	None	8 mi	Mar 30, 2005
EF0	Light damage	0.1 mi × 25 yd	None	112 mi	Jun 11, 2004
EF1	Moderate damage	4 mi × 50 yd	None	44 mi	Jun 11, 2004
EF0	Light damage	6 mi × 100 yd	None	54 mi	Jun 11, 2004
EF1	Moderate damage	6 mi × 200 yd	None	74 mi	Jun 11, 2004
EF0	Light damage	0.1 mi × 50 yd	None	94 mi	Jun 11, 2004
EF0	Light damage	0.1 mi × 50 yd	None	97 mi	Jun 11, 2004
EF1	Moderate damage	1 mi × 100 yd	None	95 mi	Jun 11, 2004
EF0	Light damage	0.1 mi × 100 yd	None	96 mi	Jun 11, 2004
EF1	Moderate damage	9 mi × 450 yd	None	94 mi	Jun 11, 2004
EF0	Light damage	0.5 mi × 30 yd	None	17 mi	May 21, 2004
EF1	Moderate damage	3.5 mi × 100 yd	None	92 mi	May 21, 2004
EF0	Light damage	3 mi × 50 yd	None	23 mi	May 21, 2004
EF0	Light damage	3 mi × 50 yd	None	33 mi	May 1, 2004
EF1	Moderate damage	7 mi × 50 yd	None	99 mi	Apr 18, 2004
EF0	Light damage	1.5 mi × 50 yd	None	113 mi	Apr 18, 2004
EF0	Light damage	0.2 mi × 25 yd	None	5 mi	Apr 17, 2004
EF0	Light damage	0.2 mi × 30 yd	None	39 mi	Jul 14, 2003
EF0	Light damage	0.1 mi × 25 yd	None	84 mi	Jul 14, 2003
EF0	Light damage	0.1 mi × 50 yd	None	71 mi	Jul 14, 2003
EF2	Considerable damage	1.5 mi × 220 yd	None	73 mi	Jul 14, 2003
EF1	Moderate damage	2 mi × 100 yd	None	78 mi	Jul 14, 2003
EF1	Moderate damage	3 mi × 220 yd	None	80 mi	Jul 14, 2003
EF1	Moderate damage	2.5 mi × 50 yd	None	82 mi	Jul 14, 2003
EF2	Considerable damage	0.5 mi × 50 yd	None	83 mi	Jul 14, 2003
EF0	Light damage	0.1 mi × 25 yd	None	99 mi	Jul 14, 2003
EF0	Light damage	2 mi × 50 yd	None	102 mi	Jul 14, 2003
EF0	Light damage	0.1 mi × 50 yd	None	85 mi	Jul 9, 2003
EF0	Light damage	0.1 mi × 25 yd	None	90 mi	Jul 9, 2003
EF0	Light damage	0.1 mi × 20 yd	None	8 mi	Jul 4, 2003
EF0	Light damage	2.5 mi × 100 yd	None	126 mi	Jun 24, 2003
EF1	Moderate damage	1 mi × 100 yd	None	128 mi	Jun 24, 2003
EF1	Moderate damage	0.5 mi × 100 yd	None	126 mi	Jun 24, 2003
EF2	Considerable damage	2 mi × 880 yd	0 dead, 5 hurt	127 mi	Jun 24, 2003
EF2	Considerable damage	3.5 mi × 880 yd	None	127 mi	Jun 24, 2003
EF0	Light damage	2.9 mi × 50 yd	None	137 mi	Jun 24, 2003
EF0	Light damage	0.1 mi × 50 yd	None	129 mi	Jun 24, 2003
EF1	Moderate damage	0.3 mi × 100 yd	None	129 mi	Jun 24, 2003
EF1	Moderate damage	4.2 mi × 100 yd	None	130 mi	Jun 24, 2003
EF0	Light damage	2 mi × 25 yd	None	110 mi	May 14, 2003
EF0	Light damage	0.1 mi × 20 yd	None	30 mi	Aug 26, 2002
EF0	Light damage	0.2 mi × 25 yd	None	103 mi	Aug 3, 2002
EF0	Light damage	0.5 mi × 50 yd	None	110 mi	Aug 3, 2002
EF0	Light damage	0.5 mi × 50 yd	None	103 mi	Jul 28, 2002
EF1	Moderate damage	1 mi × 50 yd	None	68 mi	Jul 18, 2002
EF0	Light damage	0.1 mi × 50 yd	None	96 mi	Jul 10, 2002
EF0	Light damage	0.5 mi × 50 yd	None	97 mi	Jul 10, 2002
EF0	Light damage	0.1 mi × 10 yd	None	101 mi	Sep 9, 2001
EF1	Moderate damage	0.5 mi × 50 yd	None	96 mi	Jun 11, 2001
EF2	Considerable damage	4 mi × 50 yd	None	89 mi	May 9, 2001
EF2	Considerable damage	3 mi × 50 yd	None	87 mi	May 9, 2001
EF2	Considerable damage	5 mi × 50 yd	0 dead, 1 hurt	87 mi	May 9, 2001
EF0	Light damage	0.1 mi × 50 yd	None	92 mi	May 9, 2001
EF0	Light damage	0.1 mi × 25 yd	None	97 mi	May 9, 2001
EF0	Light damage	0.1 mi × 25 yd	None	97 mi	May 9, 2001
EF0	Light damage	0.1 mi × 25 yd	None	99 mi	May 9, 2001
EF0	Light damage	1 mi × 50 yd	None	101 mi	May 9, 2001
EF0	Light damage	3 mi × 50 yd	None	111 mi	May 9, 2001
EF0	Light damage	0.1 mi × 25 yd	None	115 mi	May 9, 2001
EF1	Moderate damage	1 mi × 250 yd	None	33 mi	May 1, 2001
EF2	Considerable damage	5 mi × 250 yd	None	31 mi	May 1, 2001
EF2	Considerable damage	7 mi × 440 yd	None	27 mi	May 1, 2001
EF0	Light damage	0.1 mi × 25 yd	None	55 mi	May 1, 2001
EF0	Light damage	0.1 mi × 25 yd	None	71 mi	May 1, 2001
EF0	Light damage	0.2 mi × 25 yd	None	89 mi	Sep 13, 2000
EF1	Moderate damage	1 mi × 100 yd	None	105 mi	Aug 7, 2000
EF1	Moderate damage	1 mi × 100 yd	None	105 mi	Aug 7, 2000
EF0	Light damage	0.1 mi × 20 yd	None	122 mi	Jul 25, 2000
EF0	Light damage	0.1 mi × 20 yd	None	123 mi	Jul 25, 2000
EF0	Light damage	0.2 mi × 15 yd	None	147 mi	May 7, 2000
EF0	Light damage	0.2 mi × 25 yd	None	93 mi	Aug 12, 1999
EF0	Light damage	0.5 mi × 25 yd	None	90 mi	Aug 12, 1999
EF0	Light damage	0.5 mi × 25 yd	None	92 mi	Aug 12, 1999
EF0	Light damage	0.1 mi × 25 yd	None	16 mi	Aug 9, 1999
EF2	Considerable damage	3.5 mi × 40 yd	None	26 mi	Aug 9, 1999
EF2	Considerable damage	8 mi × 40 yd	None	33 mi	Aug 9, 1999
EF0	Light damage	0.1 mi × 25 yd	None	38 mi	Aug 9, 1999
EF0	Light damage	1 mi × 50 yd	None	63 mi	Aug 9, 1999
EF0	Light damage	0.1 mi × 25 yd	None	43 mi	Aug 9, 1999
EF0	Light damage	1.5 mi × 25 yd	None	62 mi	Aug 9, 1999
EF0	Light damage	1 mi × 50 yd	None	73 mi	Aug 9, 1999
EF0	Light damage	0.5 mi × 25 yd	None	77 mi	Aug 9, 1999
EF0	Light damage	0.3 mi × 25 yd	None	75 mi	Aug 9, 1999
EF0	Light damage	0.5 mi × 40 yd	None	76 mi	Aug 9, 1999
EF0	Light damage	0.5 mi × 40 yd	None	75 mi	Aug 9, 1999
EF1	Moderate damage	9 mi × 50 yd	None	90 mi	Aug 9, 1999
EF1	Moderate damage	0.8 mi × 25 yd	None	91 mi	Aug 9, 1999
EF0	Light damage	0.1 mi × 30 yd	None	102 mi	Jul 30, 1999
EF1	Moderate damage	0.2 mi × 35 yd	None	104 mi	Jul 30, 1999
EF0	Light damage	0.2 mi × 35 yd	None	105 mi	Jul 30, 1999
EF0	Light damage	3 mi × 50 yd	None	111 mi	Jun 26, 1999
EF0	Light damage	0.1 mi × 20 yd	None	10 mi	Jun 6, 1999
EF0	Light damage	0.1 mi × 20 yd	None	28 mi	Jun 6, 1999
EF0	Light damage	0.1 mi × 25 yd	None	109 mi	Jun 5, 1999
EF0	Light damage	0.1 mi × 50 yd	None	109 mi	Aug 22, 1998
EF0	Light damage	0.2 mi × 25 yd	None	58 mi	Aug 3, 1998
EF0	Light damage	0.1 mi × 50 yd	None	72 mi	Jun 27, 1998
EF0	Light damage	0.1 mi × 25 yd	None	79 mi	Jun 27, 1998
EF1	Moderate damage	1 mi × 50 yd	None	31 mi	Jun 27, 1998
EF0	Light damage	0.1 mi × 25 yd	None	92 mi	Jun 27, 1998
EF0	Light damage	3 mi × 50 yd	None	98 mi	Jun 27, 1998
EF1	Moderate damage	1 mi × 50 yd	None	59 mi	Jun 27, 1998
EF0	Light damage	0.5 mi × 50 yd	None	68 mi	Jun 27, 1998
EF0	Light damage	2.5 mi × 50 yd	None	71 mi	Jun 27, 1998
EF0	Light damage	1.5 mi × 50 yd	None	74 mi	Jun 27, 1998
EF0	Light damage	0.5 mi × 50 yd	None	89 mi	Jun 26, 1998
EF0	Light damage	0.1 mi × 25 yd	None	115 mi	Jun 26, 1998
EF0	Light damage	0.1 mi × 50 yd	None	33 mi	Jun 26, 1998
EF0	Light damage	0.1 mi × 50 yd	None	33 mi	Jun 26, 1998
EF1	Moderate damage	0.2 mi × 50 yd	None	144 mi	Jun 18, 1998
EF0	Light damage	0.5 mi × 50 yd	None	37 mi	Jun 16, 1998
EF0	Light damage	2.5 mi × 50 yd	None	42 mi	Jun 15, 1998
EF1	Moderate damage	2.8 mi × 50 yd	None	22 mi	May 15, 1998
EF1	Moderate damage	0.1 mi × 50 yd	None	134 mi	May 15, 1998
EF1	Moderate damage	0.1 mi × 50 yd	None	59 mi	May 15, 1998
EF2	Considerable damage	31.3 mi × 175 yd	None	60 mi	May 15, 1998
EF2	Considerable damage	3 mi × 440 yd	None	93 mi	Mar 29, 1998
EF2	Considerable damage	5 mi × 440 yd	None	89 mi	Mar 29, 1998
EF1	Moderate damage	0.1 mi × 200 yd	None	87 mi	Mar 29, 1998
EF2	Considerable damage	17 mi × 1760 yd	0 dead, 2 hurt	89 mi	Mar 29, 1998
EF3	Severe damage	6 mi × 2200 yd	None	89 mi	Mar 29, 1998
EF3	Severe damage	12 mi × 2200 yd	1 dead, 0 hurt	92 mi	Mar 29, 1998
EF4	Devastating damage	4 mi × 2200 yd	None	96 mi	Mar 29, 1998
EF4	Devastating damage	2 mi × 2200 yd	None	95 mi	Mar 29, 1998
EF4	Devastating damage	25 mi × 2200 yd	1 dead, 16 hurt	111 mi	Mar 29, 1998
EF4	Devastating damage	0.5 mi × 100 yd	None	108 mi	Mar 29, 1998
EF0	Light damage	0.5 mi × 30 yd	None	124 mi	Oct 6, 1997
EF0	Light damage	0.1 mi × 50 yd	None	117 mi	Aug 30, 1997
EF0	Light damage	6 mi × 100 yd	None	89 mi	Aug 14, 1997
EF1	Moderate damage	1 mi × 40 yd	None	84 mi	Jul 26, 1997
EF0	Light damage	0.1 mi × 50 yd	None	125 mi	Jul 25, 1997
EF0	Light damage	0.1 mi × 25 yd	None	48 mi	Jul 20, 1997
EF0	Light damage	4 mi × 50 yd	None	59 mi	Jul 13, 1997
EF0	Light damage	0.1 mi × 50 yd	None	107 mi	Jul 13, 1997
EF0	Light damage	0.1 mi × 50 yd	None	152 mi	Jul 1, 1997
EF0	Light damage	0.1 mi × 50 yd	None	148 mi	Jul 1, 1997
EF1	Moderate damage	19.5 mi × 60 yd	None	47 mi	Jun 15, 1997
EF0	Light damage	7 mi × 100 yd	None	115 mi	Oct 29, 1996
EF0	Light damage	0.2 mi × 50 yd	None	77 mi	Jul 27, 1996
EF0	Light damage	0.5 mi × 50 yd	None	112 mi	Jul 6, 1996
EF0	Light damage	0.1 mi × 50 yd	None	114 mi	Jun 6, 1996
EF0	Light damage	0.5 mi × 50 yd	None	130 mi	May 18, 1996
EF0	Light damage	0.1 mi × 50 yd	None	141 mi	May 18, 1996
EF0	Light damage	0.1 mi × 10 yd	None	65 mi	Sep 6, 1995
EF0	Light damage	0.1 mi × 10 yd	None	72 mi	Sep 6, 1995
EF0	Light damage	3 mi × 50 yd	None	68 mi	Sep 6, 1995
EF0	Light damage	0.2 mi × 25 yd	None	70 mi	Aug 13, 1995
EF1	Moderate damage	0.1 mi × 10 yd	None	101 mi	Jul 21, 1995
EF0	Light damage	0.1 mi × 10 yd	None	104 mi	Jul 21, 1995
EF0	Light damage	0.1 mi × 10 yd	None	110 mi	Jul 21, 1995
EF0	Light damage	0.1 mi × 10 yd	None	127 mi	Jul 21, 1995
EF1	Moderate damage	3.5 mi × 40 yd	None	17 mi	Jun 6, 1995
EF0	Light damage	0.1 mi × 15 yd	None	34 mi	Jun 6, 1995
EF1	Moderate damage	1 mi × 20 yd	None	71 mi	Aug 7, 1994
EF2	Considerable damage	5 mi × 40 yd	None	72 mi	Aug 7, 1994
EF0	Light damage	0.5 mi × 30 yd	None	97 mi	Aug 7, 1994
EF0	Light damage	0.1 mi × 10 yd	None	124 mi	Aug 7, 1994
EF0	Light damage	0.1 mi × 10 yd	None	145 mi	Aug 7, 1994
EF1	Moderate damage	8 mi × 45 yd	None	77 mi	Jul 19, 1994
EF0	Light damage	0.1 mi × 25 yd	None	19 mi	Jul 7, 1994
EF1	Moderate damage	11.5 mi × 30 yd	None	6 mi	Jul 6, 1994
EF0	Light damage	0.1 mi × 20 yd	None	41 mi	Jun 30, 1994
EF1	Moderate damage	1 mi × 75 yd	0 dead, 1 hurt	70 mi	Jun 30, 1994
EF1	Moderate damage	0.1 mi × 30 yd	None	114 mi	Jun 30, 1994
EF0	Light damage	0.2 mi × 25 yd	None	39 mi	Jun 18, 1994
EF0	Light damage	0.5 mi × 25 yd	None	39 mi	Jun 18, 1994
EF1	Moderate damage	1 mi × 50 yd	None	39 mi	Jun 18, 1994
EF0	Light damage	0.1 mi × 10 yd	None	64 mi	Jun 22, 1992
EF1	Moderate damage	1 mi × 100 yd	None	104 mi	Jun 16, 1992
EF0	Light damage	0.1 mi × 10 yd	None	116 mi	May 30, 1991
EF0	Light damage	0.4 mi × 10 yd	None	112 mi	May 30, 1991
EF1	Moderate damage	0.2 mi × 50 yd	0 dead, 9 hurt	88 mi	Apr 29, 1991
EF1	Moderate damage	0.2 mi × 30 yd	None	85 mi	Apr 29, 1991
EF1	Moderate damage	0.2 mi × 30 yd	None	80 mi	Apr 29, 1991
EF1	Moderate damage	15 mi × 300 yd	None	45 mi	Mar 20, 1991
EF0	Light damage	0.2 mi × 20 yd	None	93 mi	Aug 24, 1990
EF2	Considerable damage	7 mi × 63 yd	None	38 mi	Aug 2, 1990
EF1	Moderate damage	3 mi × 33 yd	None	17 mi	Aug 2, 1990
EF0	Light damage	6 mi × 10 yd	None	85 mi	Jul 11, 1990
EF0	Light damage	4 mi × 10 yd	None	89 mi	Jul 11, 1990
EF1	Moderate damage	0.2 mi × 13 yd	None	41 mi	Jun 12, 1990
EF1	Moderate damage	0.5 mi × 50 yd	None	39 mi	Apr 23, 1990
EF1	Moderate damage	0.1 mi × 20 yd	None	34 mi	May 24, 1989
EF0	Light damage	0.1 mi × 10 yd	None	54 mi	May 24, 1989
EF0	Light damage	0.3 mi × 13 yd	None	36 mi	May 24, 1989
EF0	Light damage	0.1 mi × 10 yd	None	42 mi	May 24, 1989
EF0	Light damage	0.1 mi × 10 yd	None	48 mi	May 24, 1989
EF0	Light damage	0.1 mi × 10 yd	None	92 mi	May 24, 1989
EF0	Light damage	0.3 mi × 13 yd	None	89 mi	May 24, 1989
EF0	Light damage	0.1 mi × 10 yd	None	98 mi	May 24, 1989
EF1	Moderate damage	6 mi × 40 yd	None	111 mi	May 24, 1989
EF0	Light damage	0.3 mi × 13 yd	None	119 mi	Aug 2, 1988
EF1	Moderate damage	1 mi × 20 yd	None	16 mi	Mar 24, 1988
EF3	Severe damage	10 mi × 220 yd	None	87 mi	Jul 27, 1987
EF0	Light damage	0.1 mi × 10 yd	None	81 mi	Jul 14, 1987
EF0	Light damage	0.1 mi × 10 yd	None	71 mi	Jul 14, 1987
EF1	Moderate damage	2 mi × 20 yd	None	47 mi	Jul 11, 1987
EF1	Moderate damage	3 mi × 20 yd	None	49 mi	Jul 11, 1987
EF1	Moderate damage	7 mi × 40 yd	None	100 mi	May 13, 1987
EF0	Light damage	0.2 mi × 50 yd	None	40 mi	Jun 22, 1986
EF1	Moderate damage	3 mi × 100 yd	None	87 mi	Jun 15, 1986
EF1	Moderate damage	0.2 mi × 20 yd	None	122 mi	May 12, 1986
EF0	Light damage	0.2 mi × 13 yd	None	125 mi	May 12, 1986
EF1	Moderate damage	0.3 mi × 10 yd	None	48 mi	Sep 8, 1985
EF0	Light damage	0.1 mi × 10 yd	None	114 mi	May 15, 1985
EF0	Light damage	0.1 mi × 10 yd	None	122 mi	May 14, 1985
EF1	Moderate damage	0.5 mi × 100 yd	None	114 mi	May 14, 1985
EF1	Moderate damage	2.5 mi × 100 yd	None	111 mi	May 14, 1985
EF0	Light damage	0.1 mi × 3 yd	None	132 mi	Apr 21, 1985
EF0	Light damage	0.1 mi × 3 yd	None	85 mi	Jul 19, 1984
EF0	Light damage	0.1 mi × 3 yd	None	92 mi	Jul 16, 1984
EF1	Moderate damage	1 mi × 100 yd	None	44 mi	Jul 16, 1984
EF1	Moderate damage	2 mi × 20 yd	None	36 mi	Jul 14, 1984
EF0	Light damage	N/A	None	8 mi	Jun 16, 1984
EF0	Light damage	N/A	None	19 mi	Jun 16, 1984
EF0	Light damage	N/A	None	59 mi	Jun 16, 1984
EF1	Moderate damage	2 mi × 80 yd	None	48 mi	Jun 7, 1984
EF1	Moderate damage	16 mi × 80 yd	None	29 mi	Jun 7, 1984
EF1	Moderate damage	1 mi × 50 yd	None	58 mi	Jun 7, 1984
EF3	Severe damage	14 mi × 100 yd	0 dead, 12 hurt	35 mi	Jun 7, 1984
EF1	Moderate damage	6 mi × 80 yd	None	33 mi	Jun 7, 1984
EF2	Considerable damage	13 mi × 127 yd	None	37 mi	Jun 7, 1984
EF2	Considerable damage	5 mi × 127 yd	None	38 mi	Jun 7, 1984
EF2	Considerable damage	13 mi × 150 yd	None	46 mi	Jun 7, 1984
EF2	Considerable damage	8 mi × 150 yd	0 dead, 1 hurt	51 mi	Jun 7, 1984
EF3	Severe damage	9 mi × 150 yd	0 dead, 5 hurt	58 mi	Jun 7, 1984
EF0	Light damage	N/A	None	79 mi	Jun 4, 1984
EF1	Moderate damage	1.5 mi × 200 yd	None	71 mi	Jun 4, 1984
EF1	Moderate damage	8 mi × 10 yd	0 dead, 5 hurt	46 mi	Apr 26, 1984
EF1	Moderate damage	0.5 mi × 40 yd	None	125 mi	Jun 30, 1983
EF1	Moderate damage	2 mi × 40 yd	None	126 mi	Jun 30, 1983
EF0	Light damage	0.5 mi × 50 yd	None	61 mi	Jun 13, 1983
EF0	Light damage	0.2 mi × 50 yd	None	128 mi	Jun 13, 1983
EF2	Considerable damage	1 mi × 200 yd	None	134 mi	Jun 13, 1983
EF0	Light damage	0.1 mi × 50 yd	None	112 mi	Jun 13, 1983
EF0	Light damage	0.1 mi × 17 yd	None	96 mi	Jun 13, 1983
EF1	Moderate damage	1 mi × 100 yd	None	125 mi	Jun 13, 1983
EF0	Light damage	3 mi × 33 yd	None	96 mi	Jun 13, 1983
EF0	Light damage	1 mi × 50 yd	None	109 mi	Jun 13, 1983
EF0	Light damage	0.3 mi × 50 yd	None	79 mi	Jun 13, 1983
EF0	Light damage	0.1 mi × 10 yd	None	92 mi	Jun 13, 1983
EF3	Severe damage	10 mi × 100 yd	None	62 mi	May 17, 1982
EF3	Severe damage	16 mi × 100 yd	None	45 mi	May 17, 1982
EF3	Severe damage	10 mi × 100 yd	None	34 mi	May 17, 1982
EF3	Severe damage	10 mi × 100 yd	None	28 mi	May 17, 1982
EF2	Considerable damage	11 mi × 80 yd	None	37 mi	May 17, 1982
EF2	Considerable damage	2 mi × 80 yd	None	38 mi	May 17, 1982
EF1	Moderate damage	4 mi × 30 yd	None	54 mi	May 17, 1982
EF1	Moderate damage	3 mi × 40 yd	None	32 mi	May 4, 1982
EF0	Light damage	0.1 mi × 7 yd	None	79 mi	Jul 24, 1981
EF2	Considerable damage	1 mi × 30 yd	None	46 mi	Jun 23, 1981
EF0	Light damage	0.1 mi × 20 yd	None	45 mi	Jun 23, 1981
EF0	Light damage	0.1 mi × 20 yd	None	51 mi	Jun 23, 1981
EF0	Light damage	3.6 mi × 50 yd	None	92 mi	Jun 21, 1981
EF1	Moderate damage	15.6 mi × 50 yd	None	102 mi	Jun 21, 1981
EF0	Light damage	8.4 mi × 50 yd	None	101 mi	Jun 21, 1981
EF2	Considerable damage	3.8 mi × 200 yd	None	115 mi	Jun 21, 1981
EF2	Considerable damage	9.5 mi × 200 yd	None	124 mi	Jun 21, 1981
EF3	Severe damage	10 mi × 600 yd	1 dead, 60 hurt	116 mi	Jun 14, 1981
EF1	Moderate damage	2 mi × 440 yd	None	82 mi	Jun 14, 1981
EF3	Severe damage	6.2 mi × 600 yd	0 dead, 23 hurt	112 mi	Jun 14, 1981
EF2	Considerable damage	2 mi × 100 yd	0 dead, 8 hurt	87 mi	Jun 14, 1981
EF1	Moderate damage	3.3 mi × 100 yd	None	82 mi	Jun 14, 1981
EF1	Moderate damage	0.5 mi × 200 yd	None	88 mi	Apr 29, 1981
EF2	Considerable damage	N/A	None	27 mi	Sep 20, 1980
EF2	Considerable damage	10.2 mi × 60 yd	None	29 mi	Sep 20, 1980
EF0	Light damage	0.3 mi × 30 yd	None	53 mi	Sep 3, 1980
EF0	Light damage	1 mi × 30 yd	None	53 mi	Sep 3, 1980
EF2	Considerable damage	2.8 mi × 20 yd	0 dead, 1 hurt	84 mi	Aug 18, 1980
EF1	Moderate damage	0.2 mi × 30 yd	None	90 mi	Aug 18, 1980
EF2	Considerable damage	N/A	None	70 mi	Jul 19, 1980
EF1	Moderate damage	0.1 mi × 20 yd	None	27 mi	Jun 27, 1980
EF0	Light damage	0.2 mi × 30 yd	None	96 mi	Jun 27, 1980
EF1	Moderate damage	1 mi × 30 yd	None	16 mi	May 30, 1980
EF1	Moderate damage	6.9 mi × 400 yd	None	25 mi	May 29, 1980
EF2	Considerable damage	0.5 mi × 30 yd	None	7 mi	May 29, 1980
EF1	Moderate damage	2 mi × 80 yd	None	50 mi	May 29, 1980
EF0	Light damage	1 mi × 60 yd	None	26 mi	Aug 28, 1979
EF0	Light damage	0.1 mi × 10 yd	None	93 mi	Jun 28, 1979
EF1	Moderate damage	5.6 mi × 20 yd	None	99 mi	Jun 28, 1979
EF1	Moderate damage	2.3 mi × 60 yd	None	71 mi	Jun 28, 1979
EF1	Moderate damage	5.6 mi × 30 yd	None	113 mi	Jun 28, 1979
EF3	Severe damage	15.9 mi × 300 yd	2 dead, 34 hurt	60 mi	Jun 28, 1979
EF1	Moderate damage	N/A	None	71 mi	Jun 28, 1979
EF1	Moderate damage	2.3 mi × 40 yd	None	71 mi	Jun 28, 1979
EF0	Light damage	0.5 mi × 30 yd	None	72 mi	Jun 28, 1979
EF1	Moderate damage	0.3 mi × 200 yd	None	125 mi	Jun 28, 1979
EF1	Moderate damage	6.2 mi × 100 yd	None	102 mi	Jun 28, 1979
EF1	Moderate damage	3 mi × 100 yd	None	106 mi	Jun 28, 1979
EF2	Considerable damage	2 mi × 100 yd	None	112 mi	May 22, 1979
EF1	Moderate damage	0.1 mi × 33 yd	0 dead, 1 hurt	65 mi	Aug 1, 1978
EF0	Light damage	0.5 mi × 77 yd	None	52 mi	Jul 19, 1978
EF1	Moderate damage	1.3 mi × 33 yd	None	69 mi	Jul 14, 1978
EF1	Moderate damage	1.3 mi × 33 yd	None	69 mi	Jul 14, 1978
EF1	Moderate damage	7.7 mi × 100 yd	None	76 mi	Jul 14, 1978
EF1	Moderate damage	7.7 mi × 100 yd	None	76 mi	Jul 14, 1978
EF0	Light damage	0.5 mi × 30 yd	None	90 mi	Jul 14, 1978
EF0	Light damage	5 mi × 100 yd	None	82 mi	Jul 14, 1978
EF1	Moderate damage	1 mi × 17 yd	None	62 mi	Jun 14, 1978
EF0	Light damage	0.1 mi × 60 yd	None	85 mi	May 29, 1978
EF0	Light damage	0.1 mi × 300 yd	None	146 mi	May 28, 1978
EF2	Considerable damage	5.6 mi × 70 yd	None	104 mi	Aug 9, 1977
EF2	Considerable damage	N/A	None	136 mi	Jul 27, 1977
EF0	Light damage	N/A	None	71 mi	Jun 10, 1977
EF0	Light damage	14.9 mi × 10 yd	None	86 mi	Jun 10, 1977
EF0	Light damage	1.9 mi × 33 yd	None	60 mi	Jun 10, 1977
EF1	Moderate damage	N/A	None	80 mi	May 28, 1977
EF1	Moderate damage	9.4 mi × 33 yd	None	75 mi	May 28, 1977
EF1	Moderate damage	N/A	None	133 mi	May 23, 1977
EF2	Considerable damage	16.6 mi × 33 yd	None	98 mi	May 21, 1977
EF2	Considerable damage	2.7 mi × 100 yd	None	95 mi	May 21, 1977
EF2	Considerable damage	N/A	None	82 mi	May 4, 1977
EF1	Moderate damage	0.1 mi × 13 yd	0 dead, 1 hurt	8 mi	Feb 23, 1977
EF2	Considerable damage	N/A	None	83 mi	Jun 14, 1976
EF2	Considerable damage	24.6 mi × 300 yd	1 dead, 6 hurt	70 mi	Jun 14, 1976
EF2	Considerable damage	18.3 mi × 33 yd	None	86 mi	Jun 14, 1976
EF2	Considerable damage	8.6 mi × 33 yd	None	92 mi	Jun 14, 1976

📈 Historical Trends

Tornado activity near Rock Falls over 47 years

608

Total tornados on record

12.2

Average per year

EF4

Strongest recorded

Jun

Peak month

EF Scale Distribution

EF0

366

EF1

164

EF2

EF3

EF4

EF5

Yearly Tornado Count

1976 2025

Strongest Tornados on Record

EF4 BROWN, MI Mar 29, 1998

25 mi path 1 deaths 16 injured

EF4 FREEBORN, MI Jun 17, 2010

16.9 mi path 1 deaths 14 injured

EF4 NICOLLET, MI Mar 29, 1998

4 mi path

EF4 BLUE EARTH, MI Mar 29, 1998

2 mi path

EF4 WATONWAN, MI Mar 29, 1998

0.5 mi path

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

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

US Tornado Activity by Month

Jan

Feb

Mar

Apr

10%

May

18%

PEAK

Jun

16%

Jul

12%

Aug

Sep

Oct

Nov

Dec

Current month Peak for Rock Falls

🛡️ 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 Rock Falls with live tracking