Tornado Alerts Near Portsmouth, IA 51565

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Portsmouth

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

Historical Tornado Risk

Activity level High

Average per year 11.5 tornados

Peak season month June

Total on record 573 tornados

📋 Tornado History

Historical tornado events within 250 miles of Portsmouth

EF Rating	Damage	Path	Casualties	Distance	Date
EF1	Moderate damage	1.7 mi × 70 yd	None	71 mi	May 19, 2025
EF2	Considerable damage	4.2 mi × 170 yd	None	31 mi	Apr 17, 2025
EF3	Severe damage	3.9 mi × 170 yd	None	34 mi	Apr 17, 2025
EF0	Light damage	2.4 mi × 50 yd	None	29 mi	Jun 28, 2024
EF0	Light damage	0.9 mi × 40 yd	None	25 mi	Jun 28, 2024
EF0	Light damage	0.5 mi × 75 yd	None	45 mi	Jun 12, 2024
EF0	Light damage	0.7 mi × 25 yd	None	92 mi	May 31, 2024
EF0	Light damage	1.2 mi × 30 yd	None	42 mi	May 24, 2024
EF0	Light damage	0.1 mi × 40 yd	None	10 mi	May 24, 2024
EF0	Light damage	2.1 mi × 60 yd	None	36 mi	May 24, 2024
EF0	Light damage	0.3 mi × 60 yd	None	33 mi	May 24, 2024
EF1	Moderate damage	0.7 mi × 150 yd	None	20 mi	May 24, 2024
EF0	Light damage	3.7 mi × 300 yd	None	43 mi	May 24, 2024
EF0	Light damage	0.5 mi × 60 yd	None	45 mi	May 24, 2024
EF0	Light damage	0.2 mi × 50 yd	None	51 mi	May 24, 2024
EF0	Light damage	3.4 mi × 60 yd	None	42 mi	May 24, 2024
EF0	Light damage	1.8 mi × 60 yd	None	33 mi	May 24, 2024
EF0	Light damage	0.1 mi × 60 yd	None	60 mi	May 24, 2024
EF0	Light damage	0.1 mi × 20 yd	None	53 mi	May 24, 2024
EF0	Light damage	1.1 mi × 75 yd	None	65 mi	May 24, 2024
EF1	Moderate damage	1.6 mi × 75 yd	None	77 mi	May 21, 2024
EF0	Light damage	0.2 mi × 50 yd	None	53 mi	May 21, 2024
EF0	Light damage	0.4 mi × 50 yd	None	54 mi	May 21, 2024
EF0	Light damage	2.6 mi × 50 yd	None	84 mi	May 21, 2024
EF0	Light damage	0.4 mi × 20 yd	None	6 mi	May 20, 2024
EF1	Moderate damage	0.2 mi × 100 yd	None	10 mi	May 6, 2024
EF1	Moderate damage	3.8 mi × 450 yd	None	13 mi	May 6, 2024
EF1	Moderate damage	1.5 mi × 200 yd	None	31 mi	May 6, 2024
EF1	Moderate damage	9.2 mi × 300 yd	None	19 mi	Apr 26, 2024
EF1	Moderate damage	3.8 mi × 300 yd	None	15 mi	Apr 26, 2024
EF0	Light damage	2.5 mi × 50 yd	None	18 mi	Apr 26, 2024
EF2	Considerable damage	8.9 mi × 200 yd	None	20 mi	Apr 26, 2024
EF1	Moderate damage	0.4 mi × 100 yd	None	20 mi	Apr 26, 2024
EF3	Severe damage	25.6 mi × 1900 yd	None	9 mi	Apr 26, 2024
EF1	Moderate damage	0.5 mi × 1000 yd	None	10 mi	Apr 26, 2024
EF1	Moderate damage	1.8 mi × 30 yd	None	10 mi	Apr 26, 2024
EF0	Light damage	0.5 mi × 75 yd	None	15 mi	Apr 26, 2024
EF3	Severe damage	14.2 mi × 1900 yd	1 dead, 3 hurt	23 mi	Apr 26, 2024
EF1	Moderate damage	3.3 mi × 250 yd	None	27 mi	Apr 26, 2024
EF0	Light damage	1.5 mi × 100 yd	None	26 mi	Apr 26, 2024
EF3	Severe damage	13.3 mi × 900 yd	None	34 mi	Apr 26, 2024
EF0	Light damage	1.1 mi × 50 yd	None	24 mi	Apr 26, 2024
EF3	Severe damage	14.8 mi × 550 yd	None	29 mi	Apr 26, 2024
EF0	Light damage	2.6 mi × 200 yd	None	22 mi	Apr 26, 2024
EF2	Considerable damage	2.7 mi × 200 yd	None	32 mi	Apr 26, 2024
EF1	Moderate damage	1.1 mi × 75 yd	None	33 mi	Apr 26, 2024
EF1	Moderate damage	8 mi × 766 yd	None	21 mi	Apr 26, 2024
EF1	Moderate damage	2.7 mi × 80 yd	None	45 mi	Apr 26, 2024
EF1	Moderate damage	5.8 mi × 350 yd	None	30 mi	Apr 26, 2024
EF4	Devastating damage	10.4 mi × 1900 yd	0 dead, 1 hurt	38 mi	Apr 26, 2024
EF4	Devastating damage	15.7 mi × 1450 yd	0 dead, 3 hurt	52 mi	Apr 26, 2024
EF1	Moderate damage	2.8 mi × 50 yd	None	64 mi	Apr 26, 2024
EF0	Light damage	1 mi × 30 yd	None	65 mi	Apr 26, 2024
EF0	Light damage	N/A	None	95 mi	Apr 16, 2024
EF1	Moderate damage	1.3 mi × 25 yd	None	92 mi	Apr 16, 2024
EF0	Light damage	N/A	None	86 mi	Apr 16, 2024
EF0	Light damage	N/A	None	79 mi	Apr 16, 2024
EF0	Light damage	0.1 mi × 25 yd	None	61 mi	Aug 5, 2023
EF0	Light damage	0.9 mi × 30 yd	None	99 mi	Aug 5, 2023
EF0	Light damage	2.1 mi × 75 yd	None	26 mi	Jul 12, 2023
EF0	Light damage	1.5 mi × 50 yd	None	23 mi	Jul 12, 2023
EF0	Light damage	0.9 mi × 40 yd	None	16 mi	Jul 12, 2023
EF1	Moderate damage	1.5 mi × 40 yd	None	17 mi	Jul 12, 2023
EF1	Moderate damage	0.5 mi × 50 yd	None	2 mi	Jul 12, 2023
EF2	Considerable damage	9.4 mi × 100 yd	None	14 mi	Jul 12, 2023
EF0	Light damage	1.1 mi × 15 yd	None	40 mi	Jul 12, 2023
EF1	Moderate damage	0.5 mi × 90 yd	None	60 mi	Jul 12, 2023
EF0	Light damage	1 mi × 75 yd	None	65 mi	May 13, 2023
EF0	Light damage	0.3 mi × 30 yd	None	62 mi	May 13, 2023
EF0	Light damage	N/A	None	65 mi	May 13, 2023
EF0	Light damage	0.5 mi × 20 yd	None	34 mi	May 12, 2023
EF0	Light damage	0.4 mi × 50 yd	None	41 mi	May 12, 2023
EF2	Considerable damage	11.3 mi × 1150 yd	0 dead, 2 hurt	53 mi	May 12, 2023
EF1	Moderate damage	1.2 mi × 100 yd	None	52 mi	May 12, 2023
EF1	Moderate damage	1.4 mi × 1200 yd	None	53 mi	May 12, 2023
EF2	Considerable damage	8.9 mi × 1600 yd	None	56 mi	May 12, 2023
EF0	Light damage	2.5 mi × 300 yd	None	57 mi	May 12, 2023
EF2	Considerable damage	5.5 mi × 800 yd	None	62 mi	May 12, 2023
EF0	Light damage	1.9 mi × 50 yd	None	34 mi	Apr 19, 2023
EF0	Light damage	0.5 mi × 10 yd	None	32 mi	Apr 19, 2023
EF0	Light damage	2.4 mi × 75 yd	None	32 mi	Jun 14, 2022
EF0	Light damage	0.1 mi × 50 yd	None	65 mi	May 12, 2022
EF0	Light damage	2.3 mi × 200 yd	None	10 mi	Apr 12, 2022
EF1	Moderate damage	9.6 mi × 140 yd	None	19 mi	Apr 12, 2022
EF0	Light damage	N/A	None	43 mi	Mar 5, 2022
EF2	Considerable damage	4.8 mi × 100 yd	None	84 mi	Dec 15, 2021
EF2	Considerable damage	15.6 mi × 100 yd	None	46 mi	Dec 15, 2021
EF0	Light damage	2 mi × 50 yd	None	44 mi	Dec 15, 2021
EF1	Moderate damage	3.9 mi × 100 yd	None	87 mi	Dec 15, 2021
EF1	Moderate damage	6.9 mi × 150 yd	None	78 mi	Dec 15, 2021
EF1	Moderate damage	3.8 mi × 75 yd	None	84 mi	Dec 15, 2021
EF1	Moderate damage	6.4 mi × 75 yd	None	65 mi	Dec 15, 2021
EF0	Light damage	1.8 mi × 50 yd	None	64 mi	Dec 15, 2021
EF1	Moderate damage	11.2 mi × 250 yd	None	68 mi	Dec 15, 2021
EF0	Light damage	2.9 mi × 50 yd	None	61 mi	Dec 15, 2021
EF2	Considerable damage	13.7 mi × 100 yd	None	31 mi	Dec 15, 2021
EF0	Light damage	4.4 mi × 50 yd	None	22 mi	Dec 15, 2021
EF1	Moderate damage	13 mi × 75 yd	None	45 mi	Dec 15, 2021
EF1	Moderate damage	3.7 mi × 75 yd	None	67 mi	Dec 15, 2021
EF1	Moderate damage	4.3 mi × 75 yd	None	64 mi	Dec 15, 2021
EF1	Moderate damage	9.6 mi × 50 yd	None	33 mi	Dec 15, 2021
EF2	Considerable damage	6.7 mi × 75 yd	None	19 mi	Dec 15, 2021
EF1	Moderate damage	0.6 mi × 50 yd	None	39 mi	Dec 15, 2021
EF2	Considerable damage	8.4 mi × 100 yd	None	64 mi	Dec 15, 2021
EF2	Considerable damage	2.3 mi × 50 yd	None	26 mi	Dec 15, 2021
EF1	Moderate damage	4.6 mi × 75 yd	None	64 mi	Dec 15, 2021
EF0	Light damage	0.9 mi × 30 yd	None	37 mi	Dec 15, 2021
EF0	Light damage	0.8 mi × 20 yd	None	60 mi	Dec 15, 2021
EF1	Moderate damage	2.2 mi × 20 yd	None	61 mi	Dec 15, 2021
EF1	Moderate damage	9 mi × 20 yd	None	61 mi	Dec 15, 2021
EF1	Moderate damage	0.7 mi × 100 yd	None	62 mi	Dec 15, 2021
EF2	Considerable damage	11.2 mi × 200 yd	None	66 mi	Dec 15, 2021
EF1	Moderate damage	0.4 mi × 50 yd	None	67 mi	Dec 15, 2021
EF1	Moderate damage	16.6 mi × 100 yd	None	67 mi	Dec 15, 2021
EF1	Moderate damage	1.8 mi × 50 yd	None	69 mi	Dec 15, 2021
EF1	Moderate damage	4.9 mi × 50 yd	None	67 mi	Dec 15, 2021
EF2	Considerable damage	6.3 mi × 100 yd	None	76 mi	Dec 15, 2021
EF1	Moderate damage	1.5 mi × 30 yd	None	76 mi	Dec 15, 2021
EF0	Light damage	0.6 mi × 25 yd	None	62 mi	Jul 14, 2021
EF0	Light damage	N/A	None	47 mi	Oct 1, 2019
EF0	Light damage	0.1 mi × 25 yd	None	13 mi	Sep 24, 2019
EF0	Light damage	0.7 mi × 10 yd	None	54 mi	Sep 24, 2019
EF0	Light damage	N/A	None	53 mi	Sep 24, 2019
EF0	Light damage	0.7 mi × 20 yd	None	58 mi	May 29, 2019
EF0	Light damage	1.2 mi × 30 yd	None	54 mi	May 29, 2019
EF0	Light damage	0.3 mi × 25 yd	None	86 mi	Aug 5, 2018
EF0	Light damage	0.4 mi × 50 yd	None	54 mi	Jun 18, 2018
EF0	Light damage	0.3 mi × 50 yd	None	46 mi	Jun 18, 2018
EF0	Light damage	0.1 mi × 10 yd	None	55 mi	Jun 11, 2018
EF0	Light damage	0.8 mi × 50 yd	None	83 mi	Aug 18, 2017
EF1	Moderate damage	1.8 mi × 150 yd	None	43 mi	Jun 16, 2017
EF1	Moderate damage	4.6 mi × 250 yd	None	44 mi	Jun 16, 2017
EF1	Moderate damage	4.9 mi × 300 yd	None	42 mi	Jun 16, 2017
EF2	Considerable damage	9.4 mi × 150 yd	None	44 mi	Jun 16, 2017
EF1	Moderate damage	1.4 mi × 50 yd	None	50 mi	Jun 16, 2017
EF0	Light damage	0.1 mi × 10 yd	None	33 mi	Sep 15, 2016
EF0	Light damage	0.1 mi × 25 yd	None	37 mi	Aug 23, 2016
EF0	Light damage	0.2 mi × 25 yd	None	38 mi	Aug 23, 2016
EF0	Light damage	0.6 mi × 15 yd	None	35 mi	Aug 4, 2016
EF0	Light damage	N/A	None	64 mi	Aug 1, 2016
EF0	Light damage	4.2 mi × 25 yd	None	13 mi	Jun 29, 2016
EF0	Light damage	3.3 mi × 25 yd	None	10 mi	Jun 29, 2016
EF0	Light damage	0.1 mi × 25 yd	None	71 mi	May 28, 2016
EF0	Light damage	0.2 mi × 25 yd	None	39 mi	Apr 27, 2016
EF0	Light damage	N/A	None	40 mi	Apr 27, 2016
EF1	Moderate damage	0.7 mi × 50 yd	None	40 mi	Apr 27, 2016
EF0	Light damage	0.2 mi × 25 yd	None	63 mi	Apr 27, 2016
EF0	Light damage	1.5 mi × 40 yd	None	31 mi	Nov 11, 2015
EF1	Moderate damage	7.3 mi × 150 yd	None	13 mi	Nov 11, 2015
EF1	Moderate damage	2.9 mi × 150 yd	None	14 mi	Nov 11, 2015
EF0	Light damage	3.5 mi × 45 yd	None	34 mi	Oct 23, 2015
EF0	Light damage	0.3 mi × 50 yd	None	86 mi	Oct 23, 2015
EF0	Light damage	0.2 mi × 50 yd	None	96 mi	Oct 23, 2015
EF0	Light damage	0.2 mi × 50 yd	None	78 mi	Oct 23, 2015
EF0	Light damage	5 mi × 90 yd	None	37 mi	Aug 31, 2014
EF0	Light damage	2.1 mi × 200 yd	None	33 mi	Aug 31, 2014
EF0	Light damage	2.1 mi × 60 yd	None	47 mi	Aug 31, 2014
EF0	Light damage	5.5 mi × 330 yd	None	22 mi	Aug 31, 2014
EF0	Light damage	0.5 mi × 50 yd	None	5 mi	Jun 29, 2014
EF0	Light damage	0.3 mi × 50 yd	None	74 mi	Jun 16, 2014
EF1	Moderate damage	6.1 mi × 100 yd	None	79 mi	Jun 16, 2014
EF4	Devastating damage	9.8 mi × 530 yd	None	77 mi	Jun 16, 2014
EF4	Devastating damage	4.7 mi × 500 yd	None	79 mi	Jun 16, 2014
EF2	Considerable damage	1.8 mi × 500 yd	None	79 mi	Jun 16, 2014
EF1	Moderate damage	1.5 mi × 100 yd	None	62 mi	Jun 5, 2014
EF2	Considerable damage	2.8 mi × 680 yd	None	23 mi	Jun 3, 2014
EF0	Light damage	2.4 mi × 50 yd	None	105 mi	May 11, 2014
EF1	Moderate damage	5.2 mi × 200 yd	None	45 mi	May 11, 2014
EF1	Moderate damage	7.3 mi × 800 yd	None	53 mi	May 11, 2014
EF1	Moderate damage	3.4 mi × 800 yd	None	55 mi	May 11, 2014
EF0	Light damage	1.8 mi × 200 yd	None	69 mi	May 11, 2014
EF0	Light damage	0.7 mi × 100 yd	None	95 mi	Oct 4, 2013
EF1	Moderate damage	5.5 mi × 200 yd	None	67 mi	Oct 4, 2013
EF0	Light damage	0.3 mi × 50 yd	None	83 mi	Oct 4, 2013
EF0	Light damage	0.4 mi × 50 yd	None	74 mi	Oct 4, 2013
EF0	Light damage	0.6 mi × 50 yd	None	72 mi	Oct 4, 2013
EF1	Moderate damage	2 mi × 1300 yd	None	65 mi	Oct 4, 2013
EF0	Light damage	1.3 mi × 50 yd	None	88 mi	Oct 4, 2013
EF1	Moderate damage	1.1 mi × 100 yd	None	85 mi	Oct 4, 2013
EF0	Light damage	1.7 mi × 400 yd	None	85 mi	Oct 4, 2013
EF1	Moderate damage	4.8 mi × 800 yd	None	83 mi	Oct 4, 2013
EF4	Devastating damage	22.7 mi × 2600 yd	None	56 mi	Oct 4, 2013
EF1	Moderate damage	4.2 mi × 400 yd	None	81 mi	Oct 4, 2013
EF0	Light damage	1.7 mi × 400 yd	None	80 mi	Oct 4, 2013
EF1	Moderate damage	1.2 mi × 100 yd	None	55 mi	Oct 4, 2013
EF2	Considerable damage	14.4 mi × 264 yd	None	55 mi	Oct 4, 2013
EF2	Considerable damage	4.9 mi × 250 yd	None	54 mi	Oct 4, 2013
EF0	Light damage	0.7 mi × 50 yd	None	81 mi	Oct 4, 2013
EF2	Considerable damage	7.3 mi × 250 yd	0 dead, 2 hurt	54 mi	Oct 4, 2013
EF2	Considerable damage	7.6 mi × 2394 yd	None	85 mi	Oct 4, 2013
EF0	Light damage	1.9 mi × 20 yd	None	70 mi	Aug 8, 2012
EF1	Moderate damage	1 mi × 440 yd	None	28 mi	Apr 14, 2012
EF1	Moderate damage	1.2 mi × 50 yd	None	57 mi	Apr 14, 2012
EF1	Moderate damage	0.7 mi × 50 yd	None	58 mi	Apr 14, 2012
EF0	Light damage	0.4 mi × 25 yd	None	43 mi	Apr 14, 2012
EF0	Light damage	3.6 mi × 100 yd	None	23 mi	Jun 26, 2011
EF0	Light damage	0.9 mi × 100 yd	None	76 mi	Jun 20, 2011
EF1	Moderate damage	7.1 mi × 300 yd	None	29 mi	Jun 20, 2011
EF1	Moderate damage	7.3 mi × 850 yd	None	40 mi	Jun 20, 2011
EF1	Moderate damage	6.5 mi × 700 yd	None	52 mi	Jun 20, 2011
EF0	Light damage	3 mi × 50 yd	None	63 mi	Jun 17, 2011
EF0	Light damage	0.2 mi × 50 yd	None	69 mi	Apr 9, 2011
EF0	Light damage	0.2 mi × 50 yd	None	70 mi	Apr 9, 2011
EF1	Moderate damage	5.2 mi × 300 yd	None	66 mi	Apr 9, 2011
EF0	Light damage	0.5 mi × 50 yd	None	68 mi	Apr 9, 2011
EF2	Considerable damage	8.4 mi × 2200 yd	None	64 mi	Apr 9, 2011
EF1	Moderate damage	4.2 mi × 200 yd	None	55 mi	Apr 9, 2011
EF0	Light damage	0.6 mi × 100 yd	None	54 mi	Apr 9, 2011
EF2	Considerable damage	8.3 mi × 660 yd	None	52 mi	Apr 9, 2011
EF3	Severe damage	10.1 mi × 1760 yd	None	51 mi	Apr 9, 2011
EF2	Considerable damage	4.1 mi × 440 yd	None	47 mi	Apr 9, 2011
EF1	Moderate damage	0.7 mi × 75 yd	None	39 mi	Apr 9, 2011
EF3	Severe damage	3.4 mi × 1200 yd	0 dead, 14 hurt	38 mi	Apr 9, 2011
EF0	Light damage	1 mi × 40 yd	None	13 mi	Mar 22, 2011
EF1	Moderate damage	11.7 mi × 100 yd	0 dead, 2 hurt	17 mi	Mar 22, 2011
EF1	Moderate damage	2.4 mi × 75 yd	None	46 mi	Mar 22, 2011
EF1	Moderate damage	3.3 mi × 100 yd	None	92 mi	Jun 25, 2010
EF0	Light damage	0.1 mi × 50 yd	None	90 mi	Jun 22, 2010
EF0	Light damage	1.2 mi × 50 yd	None	82 mi	Jun 22, 2010
EF1	Moderate damage	0.6 mi × 200 yd	None	52 mi	Jun 1, 2010
EF0	Light damage	1.4 mi × 100 yd	None	76 mi	Jun 1, 2010
EF2	Considerable damage	8.6 mi × 440 yd	None	23 mi	Mar 23, 2009
EF0	Light damage	0.3 mi × 50 yd	None	77 mi	Jul 6, 2008
EF0	Light damage	0.3 mi × 40 yd	None	33 mi	Jun 20, 2008
EF0	Light damage	0.2 mi × 80 yd	None	13 mi	Jun 11, 2008
EF0	Light damage	0.4 mi × 60 yd	None	17 mi	Jun 11, 2008
EF0	Light damage	0.8 mi × 20 yd	None	22 mi	Jun 11, 2008
EF0	Light damage	1.2 mi × 60 yd	None	26 mi	Jun 11, 2008
EF0	Light damage	0.3 mi × 60 yd	None	37 mi	Jun 11, 2008
EF1	Moderate damage	2.4 mi × 40 yd	None	24 mi	Jun 11, 2008
EF0	Light damage	0.1 mi × 40 yd	None	42 mi	Jun 11, 2008
EF3	Severe damage	7.5 mi × 440 yd	4 dead, 48 hurt	30 mi	Jun 11, 2008
EF2	Considerable damage	5.5 mi × 440 yd	None	32 mi	Jun 11, 2008
EF1	Moderate damage	1.3 mi × 440 yd	None	32 mi	Jun 11, 2008
EF1	Moderate damage	0.9 mi × 50 yd	None	89 mi	Jun 11, 2008
EF2	Considerable damage	5.7 mi × 300 yd	None	92 mi	Jun 11, 2008
EF0	Light damage	0.9 mi × 50 yd	None	93 mi	Jun 11, 2008
EF0	Light damage	0.9 mi × 50 yd	None	66 mi	Jun 11, 2008
EF2	Considerable damage	2.7 mi × 440 yd	0 dead, 3 hurt	45 mi	Jun 8, 2008
EF1	Moderate damage	8.1 mi × 440 yd	None	48 mi	Jun 8, 2008
EF2	Considerable damage	8.1 mi × 440 yd	None	52 mi	Jun 8, 2008
EF1	Moderate damage	4.9 mi × 440 yd	None	73 mi	Jun 4, 2008
EF1	Moderate damage	6.5 mi × 880 yd	None	75 mi	Jun 4, 2008
EF1	Moderate damage	5.1 mi × 440 yd	None	45 mi	Jun 4, 2008
EF1	Moderate damage	2.5 mi × 75 yd	None	29 mi	May 29, 2008
EF0	Light damage	0.8 mi × 50 yd	None	19 mi	May 29, 2008
EF1	Moderate damage	0.7 mi × 40 yd	None	34 mi	May 29, 2008
EF1	Moderate damage	3.8 mi × 200 yd	None	26 mi	May 29, 2008
EF1	Moderate damage	1.9 mi × 25 yd	None	47 mi	May 29, 2008
EF0	Light damage	3.2 mi × 50 yd	None	50 mi	Sep 6, 2007
EF1	Moderate damage	4.5 mi × 500 yd	None	55 mi	Aug 28, 2007
EF1	Moderate damage	3.6 mi × 200 yd	None	24 mi	May 5, 2007
EF2	Considerable damage	6.8 mi × 400 yd	None	34 mi	May 5, 2007
EF2	Considerable damage	4.8 mi × 400 yd	None	43 mi	May 5, 2007
EF1	Moderate damage	1 mi × 440 yd	None	53 mi	Mar 31, 2007
EF0	Light damage	0.1 mi × 75 yd	None	49 mi	Sep 16, 2006
EF0	Light damage	1 mi × 100 yd	None	62 mi	Jul 9, 2006
EF0	Light damage	0.2 mi × 30 yd	None	31 mi	Mar 30, 2006
EF0	Light damage	3 mi × 150 yd	None	43 mi	Mar 30, 2006
EF0	Light damage	0.5 mi × 100 yd	None	73 mi	Mar 30, 2006
EF0	Light damage	0.3 mi × 100 yd	None	61 mi	Mar 30, 2006
EF0	Light damage	0.5 mi × 50 yd	None	39 mi	Jul 24, 2005
EF0	Light damage	0.1 mi × 50 yd	None	102 mi	Jun 4, 2005
EF0	Light damage	0.1 mi × 50 yd	None	99 mi	Jun 4, 2005
EF0	Light damage	1 mi × 50 yd	None	96 mi	Jun 4, 2005
EF0	Light damage	0.1 mi × 50 yd	None	98 mi	Jun 4, 2005
EF0	Light damage	2 mi × 40 yd	None	23 mi	May 10, 2005
EF0	Light damage	2 mi × 40 yd	None	24 mi	May 10, 2005
EF0	Light damage	12 mi × 100 yd	None	55 mi	Sep 5, 2004
EF1	Moderate damage	3 mi × 100 yd	None	34 mi	Aug 3, 2004
EF0	Light damage	0.5 mi × 100 yd	None	64 mi	Jun 12, 2004
EF3	Severe damage	6 mi × 400 yd	None	91 mi	Jun 11, 2004
EF0	Light damage	0.1 mi × 200 yd	None	90 mi	Jun 11, 2004
EF0	Light damage	0.2 mi × 50 yd	None	49 mi	May 28, 2004
EF0	Light damage	0.2 mi × 50 yd	None	53 mi	May 28, 2004
EF0	Light damage	0.1 mi × 50 yd	None	106 mi	May 28, 2004
EF0	Light damage	2 mi × 200 yd	None	11 mi	May 22, 2004
EF0	Light damage	0.2 mi × 60 yd	None	14 mi	May 22, 2004
EF1	Moderate damage	2 mi × 200 yd	None	52 mi	May 22, 2004
EF1	Moderate damage	0.5 mi × 150 yd	None	85 mi	May 21, 2004
EF1	Moderate damage	7 mi × 50 yd	None	35 mi	May 8, 2004
EF1	Moderate damage	6 mi × 150 yd	None	19 mi	May 8, 2004
EF0	Light damage	2 mi × 100 yd	None	15 mi	May 8, 2004
EF0	Light damage	0.1 mi × 50 yd	None	53 mi	Apr 18, 2004
EF0	Light damage	4 mi × 100 yd	None	111 mi	Apr 18, 2004
EF0	Light damage	0.1 mi × 50 yd	None	62 mi	Jul 20, 2003
EF0	Light damage	0.1 mi × 50 yd	None	110 mi	Jun 24, 2003
EF0	Light damage	0.5 mi × 50 yd	None	107 mi	Jun 24, 2003
EF0	Light damage	0.1 mi × 50 yd	None	104 mi	Jun 24, 2003
EF0	Light damage	0.2 mi × 50 yd	None	106 mi	Jun 24, 2003
EF0	Light damage	0.3 mi × 30 yd	None	27 mi	Jun 24, 2003
EF0	Light damage	0.1 mi × 50 yd	None	60 mi	Jun 23, 2003
EF0	Light damage	0.1 mi × 50 yd	None	68 mi	Jun 9, 2003
EF0	Light damage	0.3 mi × 100 yd	None	49 mi	May 4, 2003
EF1	Moderate damage	1.3 mi × 250 yd	None	62 mi	May 4, 2003
EF0	Light damage	1 mi × 150 yd	None	61 mi	May 4, 2003
EF0	Light damage	0.1 mi × 20 yd	None	53 mi	Jul 25, 2002
EF0	Light damage	5 mi × 100 yd	None	57 mi	Jun 20, 2002
EF0	Light damage	N/A	None	47 mi	Apr 27, 2002
EF0	Light damage	2 mi × 25 yd	None	14 mi	Apr 17, 2002
EF0	Light damage	0.2 mi × 30 yd	None	50 mi	Aug 17, 2001
EF0	Light damage	0.1 mi × 50 yd	None	46 mi	Aug 17, 2001
EF0	Light damage	4 mi × 20 yd	None	45 mi	Aug 17, 2001
EF0	Light damage	0.1 mi × 50 yd	None	74 mi	Aug 17, 2001
EF0	Light damage	0.1 mi × 50 yd	None	69 mi	Aug 17, 2001
EF0	Light damage	0.1 mi × 50 yd	None	62 mi	Aug 17, 2001
EF0	Light damage	0.1 mi × 50 yd	None	77 mi	Aug 17, 2001
EF2	Considerable damage	1.5 mi × 400 yd	0 dead, 3 hurt	77 mi	Aug 17, 2001
EF0	Light damage	0.1 mi × 5 yd	None	81 mi	Aug 17, 2001
EF0	Light damage	0.2 mi × 25 yd	None	25 mi	Jun 18, 2001
EF0	Light damage	0.1 mi × 20 yd	None	42 mi	Jun 18, 2001
EF0	Light damage	0.1 mi × 50 yd	None	76 mi	Jun 13, 2001
EF0	Light damage	0.1 mi × 50 yd	None	61 mi	Jun 13, 2001
EF0	Light damage	0.1 mi × 30 yd	None	53 mi	Jun 13, 2001
EF1	Moderate damage	7 mi × 200 yd	None	89 mi	Jun 13, 2001
EF0	Light damage	0.1 mi × 30 yd	None	71 mi	Jun 13, 2001
EF0	Light damage	0.1 mi × 30 yd	None	82 mi	Jun 13, 2001
EF0	Light damage	0.5 mi × 30 yd	None	66 mi	Jun 13, 2001
EF0	Light damage	0.1 mi × 25 yd	None	19 mi	Jun 1, 2001
EF0	Light damage	0.3 mi × 35 yd	None	29 mi	Jun 1, 2001
EF0	Light damage	0.2 mi × 30 yd	None	28 mi	Jun 1, 2001
EF0	Light damage	3 mi × 100 yd	None	52 mi	Apr 30, 2001
EF1	Moderate damage	5 mi × 100 yd	0 dead, 1 hurt	43 mi	Apr 22, 2001
EF0	Light damage	0.2 mi × 30 yd	None	60 mi	Apr 22, 2001
EF0	Light damage	0.1 mi × 50 yd	None	75 mi	Apr 20, 2001
EF0	Light damage	0.2 mi × 30 yd	None	3 mi	Apr 11, 2001
EF0	Light damage	0.2 mi × 30 yd	None	23 mi	Apr 11, 2001
EF1	Moderate damage	0.5 mi × 40 yd	None	26 mi	Apr 11, 2001
EF0	Light damage	2 mi × 30 yd	None	32 mi	Apr 11, 2001
EF1	Moderate damage	2 mi × 40 yd	None	37 mi	Apr 11, 2001
EF0	Light damage	0.1 mi × 30 yd	None	50 mi	Apr 11, 2001
EF1	Moderate damage	2.5 mi × 70 yd	None	45 mi	Oct 31, 2000
EF0	Light damage	0.1 mi × 10 yd	None	22 mi	Jul 26, 2000
EF0	Light damage	0.1 mi × 50 yd	None	62 mi	Jun 13, 2000
EF0	Light damage	0.5 mi × 100 yd	None	3 mi	Jun 13, 2000
EF0	Light damage	0.1 mi × 50 yd	None	13 mi	Jun 13, 2000
EF1	Moderate damage	10 mi × 250 yd	None	15 mi	Jun 13, 2000
EF0	Light damage	0.1 mi × 50 yd	None	116 mi	Jun 3, 2000
EF0	Light damage	0.5 mi × 50 yd	None	107 mi	Jul 2, 1999
EF0	Light damage	N/A	None	86 mi	Jun 30, 1999
EF0	Light damage	2.2 mi × 50 yd	None	92 mi	Jun 5, 1999
EF0	Light damage	0.1 mi × 50 yd	None	93 mi	Jun 5, 1999
EF0	Light damage	0.1 mi × 50 yd	None	87 mi	May 30, 1999
EF0	Light damage	0.1 mi × 50 yd	None	88 mi	May 22, 1999
EF0	Light damage	0.1 mi × 50 yd	None	87 mi	May 22, 1999
EF2	Considerable damage	5 mi × 120 yd	None	31 mi	May 16, 1999
EF0	Light damage	1 mi × 80 yd	None	29 mi	May 16, 1999
EF0	Light damage	0.2 mi × 25 yd	None	34 mi	May 16, 1999
EF3	Severe damage	7.5 mi × 440 yd	2 dead, 16 hurt	18 mi	May 16, 1999
EF1	Moderate damage	2 mi × 50 yd	None	26 mi	May 16, 1999
EF0	Light damage	0.1 mi × 25 yd	None	35 mi	May 16, 1999
EF2	Considerable damage	16 mi × 80 yd	None	34 mi	May 16, 1999
EF3	Severe damage	6.2 mi × 200 yd	None	19 mi	May 16, 1999
EF1	Moderate damage	6.5 mi × 100 yd	None	32 mi	May 16, 1999
EF0	Light damage	1 mi × 60 yd	None	47 mi	May 16, 1999
EF0	Light damage	0.3 mi × 60 yd	None	22 mi	Apr 8, 1999
EF0	Light damage	0.1 mi × 30 yd	None	40 mi	Apr 8, 1999
EF1	Moderate damage	1.5 mi × 400 yd	None	66 mi	Apr 8, 1999
EF0	Light damage	3.5 mi × 70 yd	None	55 mi	Apr 8, 1999
EF1	Moderate damage	4.5 mi × 400 yd	None	68 mi	Apr 8, 1999
EF0	Light damage	0.1 mi × 50 yd	None	74 mi	Jul 9, 1998
EF0	Light damage	N/A	None	35 mi	Jul 6, 1998
EF2	Considerable damage	11 mi × 55 yd	None	19 mi	Jun 29, 1998
EF1	Moderate damage	2.8 mi × 500 yd	None	64 mi	Jun 23, 1998
EF0	Light damage	0.1 mi × 50 yd	None	94 mi	Jun 23, 1998
EF0	Light damage	2 mi × 50 yd	None	51 mi	Jun 23, 1998
EF0	Light damage	0.1 mi × 50 yd	None	54 mi	Jun 23, 1998
EF0	Light damage	6 mi × 100 yd	None	49 mi	Jun 23, 1998
EF2	Considerable damage	2 mi × 50 yd	None	53 mi	Jun 23, 1998
EF0	Light damage	0.2 mi × 50 yd	None	54 mi	Jun 23, 1998
EF0	Light damage	0.2 mi × 25 yd	None	37 mi	May 28, 1998
EF0	Light damage	0.1 mi × 20 yd	None	30 mi	May 28, 1998
EF0	Light damage	0.1 mi × 50 yd	None	68 mi	May 28, 1998
EF0	Light damage	8 mi × 100 yd	None	103 mi	May 28, 1998
EF0	Light damage	0.1 mi × 50 yd	None	89 mi	May 28, 1998
EF0	Light damage	1 mi × 50 yd	None	83 mi	May 28, 1998
EF0	Light damage	0.2 mi × 50 yd	None	36 mi	May 21, 1998
EF0	Light damage	0.1 mi × 50 yd	None	101 mi	May 15, 1998
EF1	Moderate damage	2.5 mi × 50 yd	None	26 mi	May 15, 1998
EF0	Light damage	0.2 mi × 20 yd	None	27 mi	May 15, 1998
EF0	Light damage	0.1 mi × 50 yd	None	76 mi	Jul 27, 1997
EF0	Light damage	0.5 mi × 50 yd	None	81 mi	Jul 27, 1997
EF0	Light damage	1 mi × 50 yd	None	70 mi	Jul 7, 1997
EF0	Light damage	0.1 mi × 50 yd	None	84 mi	Jul 7, 1997
EF0	Light damage	6.5 mi × 10 yd	None	58 mi	Jun 29, 1997
EF1	Moderate damage	1 mi × 30 yd	None	11 mi	Jul 24, 1996
EF0	Light damage	3 mi × 100 yd	None	76 mi	Jul 16, 1996
EF0	Light damage	0.1 mi × 50 yd	None	94 mi	Jul 1, 1996
EF0	Light damage	0.1 mi × 20 yd	None	83 mi	Jun 20, 1996
EF1	Moderate damage	0.3 mi × 30 yd	None	78 mi	Jun 20, 1996
EF0	Light damage	0.1 mi × 2 yd	None	71 mi	Jun 20, 1996
EF1	Moderate damage	3 mi × 30 yd	None	55 mi	Jun 20, 1996
EF1	Moderate damage	0.3 mi × 100 yd	None	45 mi	Jun 20, 1996
EF0	Light damage	0.1 mi × 1 yd	None	74 mi	Jun 20, 1996
EF1	Moderate damage	0.5 mi × 60 yd	None	64 mi	Jun 20, 1996
EF0	Light damage	0.1 mi × 20 yd	None	76 mi	Jun 20, 1996
EF1	Moderate damage	0.3 mi × 30 yd	None	70 mi	Jun 20, 1996
EF0	Light damage	3 mi × 50 yd	None	59 mi	Jul 14, 1995
EF0	Light damage	0.1 mi × 10 yd	None	69 mi	May 27, 1995
EF0	Light damage	0.5 mi × 10 yd	None	93 mi	May 27, 1995
EF1	Moderate damage	2 mi × 30 yd	None	20 mi	Oct 6, 1994
EF3	Severe damage	1.8 mi × 150 yd	None	62 mi	Jul 5, 1994
EF1	Moderate damage	0.1 mi × 25 yd	None	64 mi	Jun 12, 1994
EF0	Light damage	0.1 mi × 25 yd	None	66 mi	Jun 12, 1994
EF1	Moderate damage	0.1 mi × 25 yd	None	67 mi	Jun 12, 1994
EF1	Moderate damage	0.1 mi × 25 yd	None	66 mi	Jun 12, 1994
EF1	Moderate damage	3.5 mi × 50 yd	None	69 mi	Jun 5, 1994
EF1	Moderate damage	3 mi × 70 yd	None	59 mi	Jun 5, 1994
EF1	Moderate damage	0.5 mi × 50 yd	None	85 mi	Aug 29, 1993
EF1	Moderate damage	1.2 mi × 100 yd	None	69 mi	Aug 26, 1993
EF0	Light damage	0.5 mi × 30 yd	None	31 mi	Aug 22, 1993
EF0	Light damage	0.1 mi × 10 yd	None	51 mi	Sep 5, 1992
EF0	Light damage	0.1 mi × 13 yd	None	36 mi	Jul 15, 1992
EF0	Light damage	0.2 mi × 23 yd	None	10 mi	Jun 16, 1992
EF2	Considerable damage	3 mi × 73 yd	None	39 mi	Jun 16, 1992
EF2	Considerable damage	4 mi × 100 yd	None	22 mi	Jun 16, 1992
EF0	Light damage	0.1 mi × 20 yd	None	27 mi	Jun 16, 1992
EF2	Considerable damage	4 mi × 150 yd	None	49 mi	Jun 16, 1992
EF0	Light damage	0.1 mi × 13 yd	None	47 mi	Jun 16, 1992
EF3	Severe damage	7 mi × 200 yd	0 dead, 3 hurt	16 mi	Jun 16, 1992
EF3	Severe damage	19 mi × 200 yd	None	14 mi	Jun 16, 1992
EF1	Moderate damage	0.5 mi × 40 yd	None	60 mi	Jun 15, 1992
EF1	Moderate damage	4 mi × 80 yd	None	60 mi	Jun 15, 1992
EF1	Moderate damage	0.5 mi × 30 yd	0 dead, 4 hurt	63 mi	Jun 15, 1992
EF1	Moderate damage	0.5 mi × 30 yd	None	65 mi	Jun 15, 1992
EF0	Light damage	0.1 mi × 13 yd	None	14 mi	May 16, 1992
EF0	Light damage	0.2 mi × 20 yd	None	87 mi	May 16, 1992
EF0	Light damage	0.1 mi × 13 yd	None	48 mi	Aug 7, 1991
EF2	Considerable damage	5 mi × 80 yd	None	83 mi	Aug 7, 1991
EF2	Considerable damage	3 mi × 80 yd	None	83 mi	Aug 7, 1991
EF2	Considerable damage	1.5 mi × 63 yd	None	85 mi	Aug 7, 1991
EF0	Light damage	0.2 mi × 20 yd	None	20 mi	Jun 14, 1991
EF1	Moderate damage	0.6 mi × 10 yd	None	77 mi	Jun 4, 1991
EF0	Light damage	0.1 mi × 10 yd	None	76 mi	Jun 4, 1991
EF2	Considerable damage	5 mi × 60 yd	None	29 mi	May 28, 1991
EF2	Considerable damage	1 mi × 440 yd	None	49 mi	May 28, 1991
EF3	Severe damage	6 mi × 1760 yd	0 dead, 2 hurt	51 mi	May 27, 1991
EF0	Light damage	0.2 mi × 17 yd	None	19 mi	Apr 29, 1991
EF1	Moderate damage	1 mi × 40 yd	None	15 mi	Apr 29, 1991
EF1	Moderate damage	19 mi × 40 yd	None	32 mi	Apr 29, 1991
EF0	Light damage	0.1 mi × 33 yd	None	38 mi	Apr 29, 1991
EF3	Severe damage	6 mi × 150 yd	None	43 mi	Apr 26, 1991
EF3	Severe damage	1.7 mi × 150 yd	None	27 mi	Apr 26, 1991
EF1	Moderate damage	2 mi × 47 yd	None	8 mi	Apr 26, 1991
EF1	Moderate damage	2.3 mi × 30 yd	None	19 mi	Aug 24, 1990
EF1	Moderate damage	2.5 mi × 200 yd	None	44 mi	Aug 2, 1990
EF0	Light damage	0.2 mi × 30 yd	None	45 mi	Aug 2, 1990
EF0	Light damage	0.1 mi × 40 yd	None	73 mi	Aug 2, 1990
EF0	Light damage	0.3 mi × 20 yd	None	26 mi	Jun 16, 1990
EF1	Moderate damage	0.4 mi × 30 yd	None	71 mi	Jun 16, 1990
EF1	Moderate damage	7 mi × 60 yd	None	110 mi	Jun 16, 1990
EF1	Moderate damage	2 mi × 60 yd	None	112 mi	Jun 16, 1990
EF1	Moderate damage	1.5 mi × 50 yd	None	60 mi	Mar 13, 1990
EF1	Moderate damage	8 mi × 40 yd	None	24 mi	Mar 13, 1990
EF1	Moderate damage	5 mi × 50 yd	None	4 mi	Sep 7, 1989
EF0	Light damage	0.2 mi × 20 yd	None	9 mi	Sep 7, 1989
EF0	Light damage	0.4 mi × 23 yd	None	36 mi	Sep 4, 1989
EF0	Light damage	0.1 mi × 50 yd	None	50 mi	Jun 7, 1989
EF0	Light damage	0.2 mi × 30 yd	None	65 mi	Jun 7, 1989
EF0	Light damage	0.1 mi × 30 yd	None	63 mi	Jun 7, 1989
EF0	Light damage	0.1 mi × 30 yd	None	65 mi	May 18, 1989
EF1	Moderate damage	14 mi × 60 yd	None	49 mi	Apr 27, 1989
EF0	Light damage	0.1 mi × 30 yd	None	8 mi	Apr 27, 1989
EF0	Light damage	0.1 mi × 30 yd	None	3 mi	Apr 27, 1989
EF0	Light damage	0.4 mi × 30 yd	None	78 mi	Apr 27, 1989
EF0	Light damage	3.8 mi × 60 yd	0 dead, 2 hurt	35 mi	Apr 27, 1989
EF0	Light damage	0.1 mi × 20 yd	None	61 mi	Apr 27, 1989
EF1	Moderate damage	3 mi × 73 yd	0 dead, 12 hurt	35 mi	Jul 15, 1988
EF3	Severe damage	2.8 mi × 73 yd	0 dead, 34 hurt	32 mi	Jul 15, 1988
EF2	Considerable damage	2.3 mi × 100 yd	0 dead, 42 hurt	32 mi	Jul 15, 1988
EF0	Light damage	0.2 mi × 40 yd	None	77 mi	Jul 8, 1988
EF1	Moderate damage	0.5 mi × 20 yd	None	66 mi	May 20, 1988
EF2	Considerable damage	7.2 mi × 73 yd	None	31 mi	May 7, 1988
EF2	Considerable damage	2.5 mi × 73 yd	None	46 mi	May 7, 1988
EF2	Considerable damage	6.7 mi × 73 yd	2 dead, 1 hurt	55 mi	May 7, 1988
EF2	Considerable damage	7 mi × 73 yd	None	61 mi	May 7, 1988
EF0	Light damage	2 mi × 20 yd	None	28 mi	May 7, 1988
EF0	Light damage	0.1 mi × 13 yd	None	50 mi	Jul 18, 1987
EF0	Light damage	0.1 mi × 13 yd	None	81 mi	Jul 8, 1987
EF0	Light damage	0.2 mi × 13 yd	None	51 mi	Jul 5, 1987
EF0	Light damage	0.2 mi × 20 yd	None	73 mi	Jun 24, 1987
EF0	Light damage	0.5 mi × 20 yd	None	25 mi	Jun 12, 1987
EF1	Moderate damage	5 mi × 20 yd	None	24 mi	May 31, 1987
EF1	Moderate damage	3 mi × 20 yd	None	20 mi	May 31, 1987
EF1	Moderate damage	0.2 mi × 40 yd	None	25 mi	May 26, 1987
EF1	Moderate damage	19 mi × 50 yd	None	9 mi	May 26, 1987
EF1	Moderate damage	1 mi × 20 yd	None	14 mi	May 26, 1987
EF1	Moderate damage	17 mi × 50 yd	None	28 mi	May 26, 1987
EF0	Light damage	0.2 mi × 10 yd	None	30 mi	Jul 28, 1986
EF4	Devastating damage	1 mi × 73 yd	None	52 mi	Jul 28, 1986
EF4	Devastating damage	11.5 mi × 73 yd	0 dead, 1 hurt	69 mi	Jul 28, 1986
EF4	Devastating damage	20 mi × 73 yd	0 dead, 1 hurt	85 mi	Jul 28, 1986
EF0	Light damage	0.2 mi × 40 yd	None	100 mi	Jul 28, 1986
EF0	Light damage	0.2 mi × 40 yd	None	78 mi	Jul 28, 1986
EF4	Devastating damage	20 mi × 73 yd	None	103 mi	Jul 28, 1986
EF0	Light damage	0.1 mi × 10 yd	None	92 mi	May 8, 1986
EF0	Light damage	0.1 mi × 20 yd	None	26 mi	Apr 26, 1986
EF1	Moderate damage	1.5 mi × 10 yd	None	59 mi	Aug 13, 1985
EF1	Moderate damage	5 mi × 30 yd	None	110 mi	Aug 12, 1985
EF1	Moderate damage	0.5 mi × 10 yd	None	77 mi	Aug 4, 1985
EF1	Moderate damage	2 mi × 10 yd	None	89 mi	Aug 4, 1985
EF1	Moderate damage	1.5 mi × 50 yd	0 dead, 1 hurt	34 mi	Jun 23, 1985
EF0	Light damage	0.1 mi × 17 yd	None	35 mi	Jun 23, 1985
EF0	Light damage	0.1 mi × 17 yd	None	32 mi	Jun 23, 1985
EF1	Moderate damage	0.1 mi × 3 yd	None	111 mi	Apr 20, 1985
EF0	Light damage	0.1 mi × 20 yd	None	27 mi	Jun 26, 1984
EF0	Light damage	0.1 mi × 10 yd	None	10 mi	Jun 17, 1984
EF1	Moderate damage	7 mi × 30 yd	None	31 mi	Jun 17, 1984
EF1	Moderate damage	7 mi × 30 yd	None	37 mi	Jun 17, 1984
EF1	Moderate damage	4 mi × 20 yd	None	52 mi	Jun 17, 1984
EF1	Moderate damage	2 mi × 20 yd	None	54 mi	Jun 17, 1984
EF1	Moderate damage	0.3 mi × 40 yd	None	67 mi	Jun 17, 1984
EF1	Moderate damage	7 mi × 40 yd	None	77 mi	Jun 17, 1984
EF0	Light damage	N/A	None	72 mi	Jun 17, 1984
EF0	Light damage	N/A	None	65 mi	Jun 17, 1984
EF0	Light damage	N/A	None	62 mi	Jun 17, 1984
EF2	Considerable damage	N/A	None	108 mi	Jun 11, 1984
EF2	Considerable damage	4 mi × 100 yd	0 dead, 3 hurt	71 mi	Jun 7, 1984
EF2	Considerable damage	12 mi × 100 yd	0 dead, 1 hurt	47 mi	Jun 7, 1984
EF2	Considerable damage	23 mi × 150 yd	0 dead, 8 hurt	40 mi	Jun 7, 1984
EF2	Considerable damage	16 mi × 150 yd	0 dead, 1 hurt	54 mi	Jun 7, 1984
EF2	Considerable damage	10 mi × 77 yd	None	70 mi	Jun 7, 1984
EF1	Moderate damage	3.5 mi × 100 yd	None	66 mi	Jun 7, 1984
EF1	Moderate damage	3.5 mi × 100 yd	None	64 mi	Jun 7, 1984
EF2	Considerable damage	2.5 mi × 127 yd	None	58 mi	Sep 5, 1983
EF1	Moderate damage	0.1 mi × 30 yd	None	84 mi	Sep 5, 1983
EF0	Light damage	0.2 mi × 10 yd	None	104 mi	Jul 22, 1983
EF1	Moderate damage	0.2 mi × 10 yd	None	96 mi	Jul 22, 1983
EF0	Light damage	0.2 mi × 10 yd	None	95 mi	Jul 22, 1983
EF2	Considerable damage	15 mi × 20 yd	None	23 mi	May 6, 1983
EF2	Considerable damage	2 mi × 30 yd	None	72 mi	May 20, 1982
EF0	Light damage	N/A	None	12 mi	May 15, 1982
EF2	Considerable damage	N/A	None	105 mi	Sep 26, 1981
EF1	Moderate damage	N/A	None	27 mi	Mar 29, 1981
EF1	Moderate damage	0.1 mi × 20 yd	None	72 mi	Aug 18, 1980
EF1	Moderate damage	0.4 mi × 40 yd	None	87 mi	Jul 19, 1980
EF1	Moderate damage	4.1 mi × 40 yd	None	90 mi	Jun 6, 1980
EF1	Moderate damage	1 mi × 30 yd	None	20 mi	May 29, 1980
EF0	Light damage	0.1 mi × 3 yd	None	92 mi	May 29, 1980
EF1	Moderate damage	3.3 mi × 33 yd	0 dead, 2 hurt	69 mi	May 29, 1980
EF1	Moderate damage	5.1 mi × 33 yd	None	74 mi	May 29, 1980
EF0	Light damage	N/A	None	101 mi	May 29, 1980
EF2	Considerable damage	3.3 mi × 60 yd	None	102 mi	May 29, 1980
EF1	Moderate damage	5.7 mi × 100 yd	None	41 mi	Jul 30, 1979
EF1	Moderate damage	17.3 mi × 100 yd	None	44 mi	Jul 30, 1979
EF1	Moderate damage	1 mi × 60 yd	None	31 mi	Jul 27, 1979
EF1	Moderate damage	2 mi × 20 yd	None	60 mi	Jun 19, 1979
EF0	Light damage	3.6 mi × 20 yd	None	85 mi	May 26, 1979
EF0	Light damage	0.2 mi × 30 yd	0 dead, 3 hurt	65 mi	May 8, 1979
EF3	Severe damage	N/A	0 dead, 4 hurt	65 mi	May 8, 1979
EF1	Moderate damage	0.3 mi × 30 yd	None	31 mi	Mar 18, 1979
EF0	Light damage	1 mi × 223 yd	None	49 mi	Jul 5, 1978
EF0	Light damage	1 mi × 30 yd	None	86 mi	Jul 5, 1978
EF2	Considerable damage	20.8 mi × 30 yd	None	101 mi	Jul 5, 1978
EF0	Light damage	N/A	None	69 mi	May 28, 1978
EF0	Light damage	0.5 mi × 10 yd	None	30 mi	Apr 8, 1978
EF0	Light damage	0.5 mi × 10 yd	None	79 mi	Sep 23, 1977
EF0	Light damage	N/A	None	34 mi	Aug 20, 1977
EF0	Light damage	0.2 mi × 20 yd	None	26 mi	Aug 15, 1977
EF0	Light damage	N/A	None	59 mi	Jul 30, 1977
EF0	Light damage	N/A	None	53 mi	Jul 24, 1977
EF0	Light damage	0.5 mi × 10 yd	None	85 mi	Jul 10, 1977
EF0	Light damage	1 mi × 7 yd	None	85 mi	Jul 7, 1977
EF0	Light damage	N/A	None	47 mi	Jul 7, 1977
EF0	Light damage	22.6 mi × 77 yd	None	70 mi	Jul 7, 1977
EF0	Light damage	1 mi × 87 yd	None	74 mi	Jun 16, 1977
EF0	Light damage	1 mi × 77 yd	0 dead, 2 hurt	76 mi	Jun 16, 1977
EF0	Light damage	0.2 mi × 30 yd	None	61 mi	May 26, 1977
EF0	Light damage	0.5 mi × 20 yd	None	71 mi	May 4, 1977
EF0	Light damage	1.5 mi × 50 yd	None	52 mi	Apr 16, 1977
EF4	Devastating damage	5.1 mi × 200 yd	0 dead, 6 hurt	14 mi	Jun 26, 1976
EF1	Moderate damage	1 mi × 50 yd	0 dead, 23 hurt	44 mi	Jun 26, 1976
EF2	Considerable damage	8.5 mi × 100 yd	None	26 mi	Jun 13, 1976

📈 Historical Trends

Tornado activity near Portsmouth over 49 years

573

Total tornados on record

11.5

Average per year

EF4

Strongest recorded

Jun

Peak month

EF Scale Distribution

EF0

307

EF1

174

EF2

EF3

EF4

EF5

Yearly Tornado Count

1976 2025

Strongest Tornados on Record

EF4 WOODBURY, IO Oct 4, 2013

22.7 mi path

EF4 DAKOTA, NE Jul 28, 1986

20 mi path 1 injured

EF4 DIXON, NE Jul 28, 1986

20 mi path

EF4 DOUGLAS, NE Apr 26, 2024

15.7 mi path 3 injured

EF4 WOODBURY, IO Jul 28, 1986

11.5 mi path 1 injured

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

Tornado season is active. Portsmouth 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 Portsmouth

🛡️ 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 Portsmouth with live tracking