Tornado Alerts Near Bertha, MN 56437

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Bertha

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

Historical Tornado Risk

Activity level High

Average per year 9.1 tornados

Peak season month June

Total on record 454 tornados

📋 Tornado History

Historical tornado events within 250 miles of Bertha

EF Rating	Damage	Path	Casualties	Distance	Date
EF0	Light damage	0.3 mi × 30 yd	None	61 mi	Aug 21, 2025
EF0	Light damage	0.3 mi × 30 yd	None	63 mi	Aug 21, 2025
EF1	Moderate damage	1.8 mi × 30 yd	None	85 mi	Aug 21, 2025
EF1	Moderate damage	4.5 mi × 100 yd	None	79 mi	Jun 28, 2025
EF1	Moderate damage	1.2 mi × 50 yd	None	103 mi	Jun 28, 2025
EF0	Light damage	0.6 mi × 50 yd	None	35 mi	Jun 16, 2025
EF0	Light damage	0.3 mi × 50 yd	None	27 mi	Jun 16, 2025
EF1	Moderate damage	2.7 mi × 50 yd	None	72 mi	May 15, 2025
EF0	Light damage	0.5 mi × 40 yd	None	75 mi	May 15, 2025
EF0	Light damage	4 mi × 25 yd	None	86 mi	May 15, 2025
EF0	Light damage	2.2 mi × 25 yd	None	85 mi	Jul 15, 2024
EF0	Light damage	0.5 mi × 10 yd	None	95 mi	May 24, 2024
EF0	Light damage	0.3 mi × 25 yd	None	96 mi	Sep 23, 2023
EF0	Light damage	1 mi × 20 yd	None	69 mi	Jun 24, 2023
EF0	Light damage	2.3 mi × 25 yd	None	97 mi	May 6, 2023
EF0	Light damage	0.9 mi × 10 yd	None	113 mi	May 6, 2023
EF2	Considerable damage	30.9 mi × 600 yd	None	52 mi	Jun 24, 2022
EF0	Light damage	0.2 mi × 100 yd	None	80 mi	Jun 20, 2022
EF1	Moderate damage	15 mi × 800 yd	None	8 mi	May 30, 2022
EF1	Moderate damage	5.4 mi × 300 yd	None	32 mi	May 30, 2022
EF1	Moderate damage	4.5 mi × 200 yd	None	25 mi	May 30, 2022
EF2	Considerable damage	17.2 mi × 800 yd	None	37 mi	May 30, 2022
EF1	Moderate damage	2.5 mi × 400 yd	None	40 mi	May 30, 2022
EF2	Considerable damage	11 mi × 400 yd	None	55 mi	May 30, 2022
EF2	Considerable damage	6.8 mi × 350 yd	None	52 mi	May 30, 2022
EF1	Moderate damage	3.2 mi × 200 yd	None	52 mi	May 30, 2022
EF1	Moderate damage	5.4 mi × 100 yd	None	59 mi	May 30, 2022
EF1	Moderate damage	2.1 mi × 350 yd	None	65 mi	May 30, 2022
EF1	Moderate damage	2.9 mi × 350 yd	None	68 mi	May 30, 2022
EF1	Moderate damage	7.2 mi × 100 yd	None	78 mi	May 30, 2022
EF1	Moderate damage	13.4 mi × 350 yd	None	80 mi	May 30, 2022
EF1	Moderate damage	1.3 mi × 100 yd	None	87 mi	May 30, 2022
EF0	Light damage	0.4 mi × 100 yd	None	87 mi	May 30, 2022
EF1	Moderate damage	2.4 mi × 30 yd	None	84 mi	May 30, 2022
EF1	Moderate damage	4.5 mi × 20 yd	None	107 mi	May 30, 2022
EF2	Considerable damage	17.5 mi × 500 yd	None	8 mi	May 12, 2022
EF1	Moderate damage	0.8 mi × 100 yd	None	7 mi	May 12, 2022
EF0	Light damage	0.9 mi × 50 yd	None	26 mi	May 12, 2022
EF1	Moderate damage	3.6 mi × 100 yd	None	33 mi	May 12, 2022
EF2	Considerable damage	9.8 mi × 100 yd	None	70 mi	May 12, 2022
EF1	Moderate damage	2.5 mi × 200 yd	None	29 mi	May 12, 2022
EF1	Moderate damage	3.4 mi × 150 yd	None	82 mi	May 12, 2022
EF1	Moderate damage	2.9 mi × 50 yd	None	61 mi	May 12, 2022
EF0	Light damage	4.4 mi × 20 yd	None	64 mi	May 12, 2022
EF0	Light damage	1.9 mi × 25 yd	None	46 mi	May 12, 2022
EF0	Light damage	0.3 mi × 10 yd	None	95 mi	May 12, 2022
EF1	Moderate damage	1.8 mi × 20 yd	None	71 mi	May 12, 2022
EF0	Light damage	2 mi × 50 yd	None	63 mi	May 12, 2022
EF1	Moderate damage	1.1 mi × 50 yd	None	92 mi	May 12, 2022
EF1	Moderate damage	1.3 mi × 10 yd	None	110 mi	May 12, 2022
EF1	Moderate damage	0.6 mi × 20 yd	None	106 mi	May 12, 2022
EF1	Moderate damage	0.9 mi × 50 yd	None	102 mi	May 12, 2022
EF0	Light damage	0.4 mi × 10 yd	None	67 mi	Oct 13, 2021
EF1	Moderate damage	2.8 mi × 20 yd	None	75 mi	Oct 13, 2021
EF0	Light damage	N/A	None	89 mi	Oct 13, 2021
EF0	Light damage	0.4 mi × 10 yd	None	86 mi	Oct 13, 2021
EF0	Light damage	0.1 mi × 10 yd	None	90 mi	Oct 13, 2021
EF0	Light damage	0.1 mi × 10 yd	None	95 mi	Oct 13, 2021
EF0	Light damage	0.2 mi × 10 yd	None	99 mi	Oct 13, 2021
EF1	Moderate damage	0.2 mi × 25 yd	None	45 mi	Oct 9, 2021
EF0	Light damage	1.6 mi × 10 yd	None	68 mi	Oct 9, 2021
EF0	Light damage	0.8 mi × 10 yd	None	78 mi	Oct 9, 2021
EF0	Light damage	2.1 mi × 50 yd	None	55 mi	Aug 20, 2021
EF0	Light damage	0.1 mi × 10 yd	None	59 mi	Aug 20, 2021
EF0	Light damage	0.1 mi × 10 yd	None	29 mi	Jun 11, 2021
EF0	Light damage	1.1 mi × 125 yd	None	29 mi	Aug 14, 2020
EF0	Light damage	0.6 mi × 50 yd	None	28 mi	Aug 14, 2020
EF0	Light damage	1.2 mi × 75 yd	None	44 mi	Aug 14, 2020
EF1	Moderate damage	1.7 mi × 150 yd	None	47 mi	Aug 14, 2020
EF2	Considerable damage	13.4 mi × 150 yd	None	54 mi	Aug 14, 2020
EF0	Light damage	1 mi × 40 yd	None	55 mi	Aug 14, 2020
EF0	Light damage	0.4 mi × 30 yd	None	60 mi	Aug 14, 2020
EF0	Light damage	4 mi × 50 yd	None	58 mi	Aug 14, 2020
EF0	Light damage	0.2 mi × 25 yd	None	47 mi	Aug 7, 2020
EF0	Light damage	0.4 mi × 40 yd	None	67 mi	Jul 25, 2020
EF1	Moderate damage	1.5 mi × 30 yd	None	63 mi	Jul 11, 2020
EF0	Light damage	0.2 mi × 20 yd	None	22 mi	Jul 8, 2020
EF4	Devastating damage	6.5 mi × 650 yd	1 dead, 2 hurt	42 mi	Jul 8, 2020
EF4	Devastating damage	2.4 mi × 650 yd	None	44 mi	Jul 8, 2020
EF2	Considerable damage	2 mi × 300 yd	None	21 mi	Jul 8, 2020
EF1	Moderate damage	18.7 mi × 250 yd	None	44 mi	Jul 8, 2020
EF1	Moderate damage	10 mi × 200 yd	None	59 mi	Jul 8, 2020
EF1	Moderate damage	2.4 mi × 200 yd	None	61 mi	Jul 8, 2020
EF0	Light damage	0.3 mi × 100 yd	None	18 mi	Aug 13, 2019
EF1	Moderate damage	2 mi × 150 yd	None	54 mi	Jul 9, 2019
EF0	Light damage	3 mi × 150 yd	None	78 mi	Jul 9, 2019
EF1	Moderate damage	1 mi × 150 yd	None	66 mi	Jul 9, 2019
EF0	Light damage	0.5 mi × 75 yd	None	86 mi	Jul 9, 2019
EF1	Moderate damage	2 mi × 100 yd	None	73 mi	Jul 9, 2019
EF0	Light damage	0.2 mi × 50 yd	None	81 mi	Jul 9, 2019
EF1	Moderate damage	8.2 mi × 360 yd	None	48 mi	Sep 19, 2017
EF0	Light damage	1.2 mi × 330 yd	None	55 mi	Sep 19, 2017
EF1	Moderate damage	1.9 mi × 550 yd	None	63 mi	Sep 19, 2017
EF1	Moderate damage	6.8 mi × 880 yd	None	60 mi	Sep 19, 2017
EF1	Moderate damage	2.4 mi × 880 yd	None	62 mi	Sep 19, 2017
EF1	Moderate damage	10.7 mi × 550 yd	None	71 mi	Sep 19, 2017
EF0	Light damage	0.4 mi × 100 yd	None	82 mi	Jul 21, 2017
EF0	Light damage	4.7 mi × 200 yd	None	24 mi	Jul 17, 2017
EF0	Light damage	1.9 mi × 75 yd	None	31 mi	Jul 17, 2017
EF0	Light damage	1.3 mi × 100 yd	None	59 mi	Jun 21, 2017
EF0	Light damage	0.5 mi × 75 yd	None	71 mi	Jun 21, 2017
EF1	Moderate damage	0.1 mi × 50 yd	None	76 mi	Jun 13, 2017
EF1	Moderate damage	0.3 mi × 170 yd	None	84 mi	Jun 13, 2017
EF0	Light damage	0.1 mi × 90 yd	None	93 mi	Jun 13, 2017
EF1	Moderate damage	0.4 mi × 100 yd	None	95 mi	Jun 13, 2017
EF0	Light damage	0.5 mi × 75 yd	None	48 mi	Jun 13, 2017
EF1	Moderate damage	3 mi × 300 yd	None	59 mi	Jun 13, 2017
EF0	Light damage	1.5 mi × 35 yd	None	67 mi	Jun 13, 2017
EF0	Light damage	0.3 mi × 50 yd	None	79 mi	Jul 5, 2016
EF0	Light damage	1.3 mi × 25 yd	None	83 mi	Jul 5, 2016
EF0	Light damage	0.1 mi × 10 yd	None	83 mi	Jun 14, 2016
EF0	Light damage	0.8 mi × 10 yd	None	88 mi	Jun 14, 2016
EF0	Light damage	0.1 mi × 10 yd	None	92 mi	Jun 14, 2016
EF0	Light damage	5.4 mi × 15 yd	None	107 mi	Jun 14, 2016
EF0	Light damage	0.1 mi × 50 yd	None	86 mi	May 27, 2016
EF0	Light damage	0.1 mi × 75 yd	None	87 mi	May 27, 2016
EF0	Light damage	0.2 mi × 25 yd	None	40 mi	May 25, 2016
EF0	Light damage	0.1 mi × 25 yd	None	63 mi	Aug 6, 2015
EF0	Light damage	0.1 mi × 25 yd	None	63 mi	Aug 6, 2015
EF0	Light damage	0.2 mi × 15 yd	None	62 mi	Aug 6, 2015
EF0	Light damage	0.1 mi × 15 yd	None	62 mi	Aug 6, 2015
EF2	Considerable damage	6 mi × 400 yd	None	9 mi	Jul 12, 2015
EF1	Moderate damage	2 mi × 100 yd	None	50 mi	Jul 12, 2015
EF1	Moderate damage	0.1 mi × 30 yd	None	25 mi	Jul 12, 2015
EF1	Moderate damage	2 mi × 150 yd	None	23 mi	Jul 12, 2015
EF0	Light damage	0.5 mi × 150 yd	None	46 mi	Jul 12, 2015
EF0	Light damage	1.9 mi × 100 yd	None	53 mi	Jul 12, 2015
EF0	Light damage	0.1 mi × 10 yd	None	64 mi	Jul 12, 2015
EF0	Light damage	0.1 mi × 25 yd	None	69 mi	Jul 12, 2015
EF0	Light damage	3 mi × 100 yd	None	54 mi	Jul 12, 2015
EF0	Light damage	2.4 mi × 300 yd	None	82 mi	Jun 27, 2015
EF1	Moderate damage	0.8 mi × 100 yd	None	82 mi	Jun 27, 2015
EF1	Moderate damage	2 mi × 75 yd	None	92 mi	Jun 27, 2015
EF0	Light damage	0.1 mi × 25 yd	None	71 mi	Jun 27, 2015
EF0	Light damage	0.2 mi × 15 yd	None	34 mi	May 16, 2015
EF0	Light damage	0.8 mi × 15 yd	None	38 mi	May 16, 2015
EF0	Light damage	2.5 mi × 50 yd	None	45 mi	May 16, 2015
EF0	Light damage	5 mi × 200 yd	None	52 mi	May 16, 2015
EF0	Light damage	0.1 mi × 15 yd	None	58 mi	May 16, 2015
EF0	Light damage	1.3 mi × 25 yd	None	65 mi	May 16, 2015
EF0	Light damage	0.3 mi × 25 yd	None	69 mi	May 16, 2015
EF0	Light damage	0.5 mi × 25 yd	None	79 mi	May 16, 2015
EF0	Light damage	0.8 mi × 25 yd	None	82 mi	May 16, 2015
EF0	Light damage	0.2 mi × 15 yd	None	69 mi	May 16, 2015
EF1	Moderate damage	3.1 mi × 100 yd	None	78 mi	May 16, 2015
EF0	Light damage	2.7 mi × 25 yd	None	83 mi	May 16, 2015
EF0	Light damage	2.7 mi × 100 yd	None	73 mi	May 16, 2015
EF1	Moderate damage	1.8 mi × 50 yd	None	89 mi	May 16, 2015
EF1	Moderate damage	2 mi × 250 yd	None	23 mi	Sep 4, 2014
EF2	Considerable damage	2.7 mi × 200 yd	None	60 mi	Sep 4, 2014
EF0	Light damage	0.3 mi × 20 yd	None	29 mi	Jun 20, 2014
EF0	Light damage	1 mi × 10 yd	None	89 mi	Jun 19, 2014
EF0	Light damage	0.7 mi × 10 yd	None	68 mi	Jun 19, 2014
EF0	Light damage	3.6 mi × 10 yd	None	46 mi	Jun 19, 2014
EF0	Light damage	4.4 mi × 20 yd	None	73 mi	Jun 19, 2014
EF0	Light damage	0.9 mi × 10 yd	None	73 mi	Jun 19, 2014
EF1	Moderate damage	0.4 mi × 70 yd	None	66 mi	Oct 11, 2013
EF0	Light damage	0.1 mi × 50 yd	None	15 mi	Aug 26, 2013
EF0	Light damage	0.2 mi × 30 yd	None	62 mi	Aug 6, 2013
EF0	Light damage	0.1 mi × 10 yd	None	62 mi	Aug 6, 2013
EF1	Moderate damage	3 mi × 150 yd	None	86 mi	Aug 6, 2013
EF0	Light damage	0.1 mi × 10 yd	None	68 mi	Aug 6, 2013
EF0	Light damage	7 mi × 100 yd	None	71 mi	Jun 25, 2013
EF1	Moderate damage	4 mi × 75 yd	None	22 mi	Jul 4, 2012
EF0	Light damage	0.3 mi × 25 yd	None	88 mi	Jun 17, 2012
EF0	Light damage	0.1 mi × 10 yd	None	79 mi	Jun 17, 2012
EF1	Moderate damage	0.3 mi × 10 yd	None	95 mi	Jun 17, 2012
EF0	Light damage	2.9 mi × 30 yd	None	62 mi	Jun 17, 2012
EF0	Light damage	N/A	None	107 mi	Jun 17, 2012
EF0	Light damage	0.1 mi × 5 yd	None	66 mi	Jun 17, 2012
EF0	Light damage	0.9 mi × 75 yd	None	48 mi	May 1, 2012
EF0	Light damage	0.1 mi × 50 yd	None	47 mi	May 1, 2012
EF0	Light damage	0.1 mi × 75 yd	None	42 mi	Apr 21, 2012
EF0	Light damage	1.2 mi × 25 yd	None	82 mi	Apr 21, 2012
EF0	Light damage	0.4 mi × 75 yd	None	87 mi	Apr 21, 2012
EF1	Moderate damage	2.1 mi × 50 yd	None	49 mi	Apr 21, 2012
EF0	Light damage	0.2 mi × 25 yd	None	71 mi	Apr 21, 2012
EF0	Light damage	0.3 mi × 20 yd	None	79 mi	Apr 21, 2012
EF0	Light damage	0.5 mi × 40 yd	None	74 mi	Apr 21, 2012
EF0	Light damage	0.5 mi × 25 yd	None	75 mi	Jul 30, 2011
EF1	Moderate damage	1 mi × 50 yd	None	70 mi	Jul 15, 2011
EF1	Moderate damage	6 mi × 300 yd	None	46 mi	May 30, 2011
EF2	Considerable damage	7.4 mi × 600 yd	None	96 mi	May 30, 2011
EF1	Moderate damage	4.5 mi × 200 yd	None	90 mi	May 30, 2011
EF2	Considerable damage	4 mi × 400 yd	None	93 mi	May 30, 2011
EF1	Moderate damage	2.3 mi × 150 yd	None	92 mi	May 30, 2011
EF2	Considerable damage	2.2 mi × 600 yd	None	93 mi	May 30, 2011
EF2	Considerable damage	2.1 mi × 600 yd	None	93 mi	May 30, 2011
EF1	Moderate damage	6.2 mi × 100 yd	None	50 mi	Aug 12, 2010
EF0	Light damage	0.6 mi × 35 yd	None	93 mi	Aug 12, 2010
EF0	Light damage	0.4 mi × 25 yd	None	101 mi	Aug 12, 2010
EF1	Moderate damage	4.3 mi × 50 yd	None	38 mi	Aug 7, 2010
EF1	Moderate damage	2.2 mi × 75 yd	None	8 mi	Aug 7, 2010
EF1	Moderate damage	16.7 mi × 100 yd	None	52 mi	Aug 7, 2010
EF0	Light damage	0.2 mi × 25 yd	None	59 mi	Aug 7, 2010
EF1	Moderate damage	4 mi × 75 yd	None	51 mi	Aug 7, 2010
EF0	Light damage	1 mi × 15 yd	None	62 mi	Aug 7, 2010
EF4	Devastating damage	2.5 mi × 600 yd	None	73 mi	Aug 7, 2010
EF4	Devastating damage	2.5 mi × 600 yd	None	76 mi	Aug 7, 2010
EF0	Light damage	0.2 mi × 25 yd	None	71 mi	Aug 7, 2010
EF0	Light damage	0.4 mi × 15 yd	None	41 mi	Jul 27, 2010
EF1	Moderate damage	0.6 mi × 30 yd	None	35 mi	Jul 22, 2010
EF0	Light damage	1 mi × 15 yd	None	37 mi	Jul 22, 2010
EF0	Light damage	0.4 mi × 15 yd	None	11 mi	Jul 17, 2010
EF1	Moderate damage	8.4 mi × 200 yd	None	21 mi	Jul 14, 2010
EF0	Light damage	0.2 mi × 25 yd	None	38 mi	Jul 13, 2010
EF0	Light damage	2.4 mi × 20 yd	None	82 mi	Jul 13, 2010
EF0	Light damage	1.7 mi × 50 yd	None	56 mi	Jul 10, 2010
EF0	Light damage	0.4 mi × 15 yd	None	16 mi	Jul 10, 2010
EF0	Light damage	0.2 mi × 25 yd	None	43 mi	Jul 10, 2010
EF0	Light damage	3 mi × 30 yd	None	42 mi	Jul 10, 2010
EF4	Devastating damage	8 mi × 1936 yd	0 dead, 20 hurt	13 mi	Jun 17, 2010
EF4	Devastating damage	2 mi × 1936 yd	None	12 mi	Jun 17, 2010
EF1	Moderate damage	1.5 mi × 40 yd	None	9 mi	Jun 17, 2010
EF0	Light damage	0.2 mi × 15 yd	None	44 mi	Jun 17, 2010
EF4	Devastating damage	38 mi × 2288 yd	1 dead, 5 hurt	20 mi	Jun 17, 2010
EF1	Moderate damage	1.6 mi × 200 yd	None	21 mi	Jun 17, 2010
EF2	Considerable damage	3.8 mi × 350 yd	None	60 mi	Jul 14, 2009
EF2	Considerable damage	4.1 mi × 350 yd	None	64 mi	Jul 14, 2009
EF1	Moderate damage	1 mi × 150 yd	None	38 mi	Jun 18, 2009
EF0	Light damage	3 mi × 75 yd	None	55 mi	Jun 18, 2009
EF1	Moderate damage	7 mi × 300 yd	None	87 mi	Jun 18, 2009
EF0	Light damage	1 mi × 25 yd	None	65 mi	Jun 17, 2009
EF0	Light damage	0.1 mi × 25 yd	None	69 mi	Jun 17, 2009
EF3	Severe damage	8 mi × 200 yd	0 dead, 2 hurt	81 mi	Jul 11, 2008
EF1	Moderate damage	1 mi × 50 yd	None	10 mi	Jul 11, 2008
EF1	Moderate damage	2 mi × 100 yd	None	41 mi	Jul 11, 2008
EF0	Light damage	10 mi × 75 yd	None	44 mi	Jul 11, 2008
EF0	Light damage	0.2 mi × 25 yd	None	46 mi	Jul 11, 2008
EF0	Light damage	0.1 mi × 30 yd	None	74 mi	Jul 10, 2008
EF1	Moderate damage	2.6 mi × 50 yd	None	51 mi	Jun 14, 2008
EF1	Moderate damage	2.1 mi × 50 yd	None	63 mi	Jun 14, 2008
EF0	Light damage	1.8 mi × 25 yd	None	36 mi	Jun 12, 2008
EF3	Severe damage	7.3 mi × 400 yd	None	50 mi	Jun 6, 2008
EF2	Considerable damage	9.2 mi × 450 yd	0 dead, 1 hurt	39 mi	Jun 6, 2008
EF2	Considerable damage	4.9 mi × 450 yd	0 dead, 1 hurt	35 mi	Jun 6, 2008
EF0	Light damage	0.1 mi × 20 yd	None	64 mi	May 30, 2008
EF2	Considerable damage	7 mi × 150 yd	None	50 mi	Jun 7, 2007
EF1	Moderate damage	5.8 mi × 100 yd	None	53 mi	Jun 7, 2007
EF0	Light damage	0.2 mi × 25 yd	None	63 mi	Jun 7, 2007
EF1	Moderate damage	0.3 mi × 20 yd	None	102 mi	Aug 12, 2006
EF1	Moderate damage	0.5 mi × 50 yd	None	88 mi	Aug 5, 2006
EF0	Light damage	0.5 mi × 25 yd	None	32 mi	Jun 26, 2006
EF0	Light damage	2 mi × 25 yd	None	94 mi	Jun 5, 2006
EF1	Moderate damage	1 mi × 50 yd	None	49 mi	Jun 5, 2006
EF1	Moderate damage	2.5 mi × 100 yd	None	89 mi	Sep 5, 2005
EF2	Considerable damage	4 mi × 200 yd	None	88 mi	Sep 5, 2005
EF1	Moderate damage	1 mi × 50 yd	None	47 mi	Aug 25, 2005
EF1	Moderate damage	0.3 mi × 50 yd	None	60 mi	Aug 25, 2005
EF0	Light damage	0.1 mi × 20 yd	None	30 mi	Jun 29, 2005
EF0	Light damage	0.1 mi × 20 yd	None	62 mi	Jun 29, 2005
EF0	Light damage	0.2 mi × 25 yd	None	48 mi	Jun 29, 2005
EF2	Considerable damage	1.5 mi × 200 yd	None	14 mi	Jun 29, 2005
EF1	Moderate damage	1 mi × 100 yd	None	29 mi	Jun 29, 2005
EF0	Light damage	1 mi × 50 yd	None	95 mi	Jun 29, 2005
EF0	Light damage	1 mi × 50 yd	None	94 mi	Jun 29, 2005
EF1	Moderate damage	1.5 mi × 100 yd	None	46 mi	Jun 26, 2005
EF1	Moderate damage	1 mi × 100 yd	None	69 mi	Jun 23, 2005
EF1	Moderate damage	1 mi × 100 yd	None	71 mi	Jun 23, 2005
EF2	Considerable damage	0.3 mi × 200 yd	None	14 mi	Jun 20, 2005
EF2	Considerable damage	4 mi × 200 yd	None	31 mi	Jun 20, 2005
EF1	Moderate damage	0.2 mi × 100 yd	None	45 mi	Jun 20, 2005
EF1	Moderate damage	7 mi × 100 yd	None	85 mi	Jun 20, 2005
EF0	Light damage	0.5 mi × 50 yd	None	13 mi	Jun 13, 2005
EF0	Light damage	0.1 mi × 20 yd	None	19 mi	Jun 13, 2005
EF0	Light damage	0.2 mi × 50 yd	None	92 mi	Jun 11, 2005
EF0	Light damage	0.2 mi × 50 yd	None	87 mi	Jun 11, 2005
EF0	Light damage	0.3 mi × 25 yd	None	81 mi	May 18, 2005
EF0	Light damage	0.1 mi × 25 yd	None	76 mi	May 18, 2005
EF0	Light damage	0.1 mi × 30 yd	None	62 mi	May 18, 2005
EF0	Light damage	0.1 mi × 25 yd	None	101 mi	May 8, 2005
EF0	Light damage	0.1 mi × 20 yd	None	105 mi	May 8, 2005
EF0	Light damage	0.1 mi × 25 yd	None	55 mi	Apr 19, 2005
EF2	Considerable damage	2.2 mi × 50 yd	None	89 mi	Sep 23, 2004
EF1	Moderate damage	0.7 mi × 50 yd	None	90 mi	Sep 23, 2004
EF2	Considerable damage	4 mi × 100 yd	None	35 mi	Sep 5, 2004
EF1	Moderate damage	12 mi × 100 yd	None	40 mi	Aug 2, 2004
EF1	Moderate damage	7 mi × 100 yd	None	56 mi	Aug 2, 2004
EF0	Light damage	0.5 mi × 25 yd	None	62 mi	Aug 2, 2004
EF0	Light damage	0.5 mi × 25 yd	None	34 mi	Jul 12, 2004
EF1	Moderate damage	14 mi × 50 yd	None	51 mi	Jul 12, 2004
EF1	Moderate damage	5 mi × 50 yd	None	61 mi	Jul 12, 2004
EF0	Light damage	0.5 mi × 25 yd	None	62 mi	Jul 12, 2004
EF1	Moderate damage	10 mi × 50 yd	None	72 mi	Jul 12, 2004
EF0	Light damage	0.5 mi × 25 yd	None	85 mi	Jul 12, 2004
EF1	Moderate damage	1 mi × 50 yd	None	89 mi	Jul 10, 2004
EF0	Light damage	1 mi × 25 yd	None	89 mi	Jul 10, 2004
EF0	Light damage	7 mi × 25 yd	None	99 mi	Jul 10, 2004
EF0	Light damage	0.1 mi × 25 yd	None	55 mi	May 11, 2004
EF0	Light damage	0.1 mi × 25 yd	None	81 mi	May 11, 2004
EF1	Moderate damage	3 mi × 220 yd	None	76 mi	Jul 9, 2003
EF0	Light damage	0.1 mi × 25 yd	None	76 mi	Jul 9, 2003
EF1	Moderate damage	5 mi × 50 yd	None	77 mi	Jul 9, 2003
EF0	Light damage	0.1 mi × 25 yd	None	104 mi	Jul 9, 2003
EF0	Light damage	3 mi × 50 yd	None	74 mi	Jul 9, 2003
EF1	Moderate damage	1 mi × 50 yd	None	27 mi	Jul 6, 2003
EF0	Light damage	0.3 mi × 25 yd	None	54 mi	Jun 24, 2003
EF0	Light damage	2.8 mi × 50 yd	None	49 mi	Jun 24, 2003
EF0	Light damage	0.2 mi × 50 yd	None	45 mi	Jun 24, 2003
EF0	Light damage	0.1 mi × 25 yd	None	45 mi	Jun 24, 2003
EF1	Moderate damage	0.1 mi × 25 yd	None	48 mi	Jun 22, 2003
EF0	Light damage	0.1 mi × 25 yd	None	94 mi	Jun 7, 2003
EF1	Moderate damage	1 mi × 25 yd	None	73 mi	Sep 18, 2002
EF0	Light damage	0.2 mi × 25 yd	None	61 mi	Jul 7, 2002
EF0	Light damage	0.3 mi × 25 yd	None	36 mi	Jun 19, 2002
EF2	Considerable damage	0.2 mi × 25 yd	None	62 mi	Jun 19, 2002
EF0	Light damage	0.2 mi × 25 yd	None	87 mi	Jun 19, 2002
EF0	Light damage	0.2 mi × 25 yd	None	62 mi	May 28, 2002
EF0	Light damage	0.2 mi × 25 yd	None	62 mi	May 28, 2002
EF1	Moderate damage	2 mi × 25 yd	None	87 mi	Jul 17, 2001
EF0	Light damage	0.5 mi × 25 yd	None	55 mi	Jun 16, 2001
EF3	Severe damage	1 mi × 100 yd	None	5 mi	Jun 13, 2001
EF0	Light damage	0.1 mi × 25 yd	None	23 mi	Jun 13, 2001
EF3	Severe damage	11 mi × 100 yd	0 dead, 3 hurt	61 mi	Jun 13, 2001
EF0	Light damage	0.5 mi × 25 yd	None	90 mi	Jun 13, 2001
EF0	Light damage	0.5 mi × 25 yd	None	76 mi	Jun 11, 2001
EF1	Moderate damage	1 mi × 50 yd	0 dead, 2 hurt	70 mi	Jun 11, 2001
EF0	Light damage	0.2 mi × 25 yd	None	73 mi	Jun 11, 2001
EF1	Moderate damage	2 mi × 50 yd	None	65 mi	Jun 11, 2001
EF2	Considerable damage	8 mi × 150 yd	0 dead, 7 hurt	70 mi	Jun 11, 2001
EF0	Light damage	0.5 mi × 25 yd	None	72 mi	Jun 11, 2001
EF0	Light damage	0.1 mi × 20 yd	None	72 mi	Jun 11, 2001
EF1	Moderate damage	0.1 mi × 20 yd	None	73 mi	Jun 11, 2001
EF0	Light damage	0.1 mi × 25 yd	None	75 mi	Jun 11, 2001
EF0	Light damage	0.1 mi × 20 yd	None	75 mi	Jun 11, 2001
EF0	Light damage	0.1 mi × 20 yd	None	77 mi	Jun 11, 2001
EF0	Light damage	0.5 mi × 50 yd	None	66 mi	Jul 25, 2000
EF2	Considerable damage	8 mi × 100 yd	0 dead, 3 hurt	11 mi	Jul 8, 2000
EF0	Light damage	0.1 mi × 20 yd	None	54 mi	Jul 7, 2000
EF0	Light damage	1 mi × 20 yd	None	47 mi	Jul 7, 2000
EF0	Light damage	0.3 mi × 20 yd	None	44 mi	Jul 7, 2000
EF0	Light damage	0.1 mi × 10 yd	None	92 mi	Apr 27, 2000
EF1	Moderate damage	3 mi × 20 yd	None	85 mi	Jul 27, 1999
EF0	Light damage	0.5 mi × 25 yd	None	59 mi	Jul 25, 1999
EF0	Light damage	0.5 mi × 25 yd	None	41 mi	Jun 9, 1999
EF0	Light damage	0.5 mi × 25 yd	None	48 mi	Jun 9, 1999
EF0	Light damage	1 mi × 25 yd	None	56 mi	Jul 20, 1998
EF0	Light damage	0.2 mi × 10 yd	None	110 mi	Jun 26, 1998
EF0	Light damage	2.5 mi × 50 yd	None	69 mi	Jun 11, 1998
EF0	Light damage	0.1 mi × 10 yd	None	127 mi	Aug 27, 1997
EF0	Light damage	0.2 mi × 25 yd	None	99 mi	Jul 26, 1997
EF1	Moderate damage	1 mi × 100 yd	None	77 mi	Jul 1, 1997
EF1	Moderate damage	0.1 mi × 50 yd	None	45 mi	Jul 1, 1997
EF0	Light damage	0.5 mi × 25 yd	None	86 mi	Jun 28, 1997
EF2	Considerable damage	4 mi × 75 yd	None	23 mi	Oct 26, 1996
EF2	Considerable damage	17 mi × 75 yd	0 dead, 1 hurt	16 mi	Oct 26, 1996
EF1	Moderate damage	8 mi × 500 yd	0 dead, 2 hurt	28 mi	Oct 26, 1996
EF1	Moderate damage	7 mi × 500 yd	None	60 mi	Oct 26, 1996
EF2	Considerable damage	9 mi × 880 yd	0 dead, 4 hurt	36 mi	Oct 26, 1996
EF1	Moderate damage	2 mi × 350 yd	None	56 mi	Oct 26, 1996
EF1	Moderate damage	4 mi × 440 yd	None	74 mi	Oct 26, 1996
EF1	Moderate damage	1 mi × 30 yd	None	76 mi	Oct 26, 1996
EF0	Light damage	1 mi × 25 yd	None	87 mi	Oct 26, 1996
EF0	Light damage	0.5 mi × 25 yd	None	94 mi	Oct 26, 1996
EF0	Light damage	0.5 mi × 25 yd	None	101 mi	Oct 26, 1996
EF0	Light damage	0.5 mi × 25 yd	None	104 mi	Oct 26, 1996
EF0	Light damage	0.5 mi × 25 yd	None	104 mi	Oct 26, 1996
EF1	Moderate damage	1 mi × 75 yd	None	115 mi	Oct 26, 1996
EF0	Light damage	0.3 mi × 10 yd	None	125 mi	Jul 17, 1996
EF0	Light damage	0.1 mi × 50 yd	None	72 mi	Jul 17, 1996
EF1	Moderate damage	2 mi × 90 yd	None	66 mi	Jun 5, 1996
EF2	Considerable damage	5 mi × 100 yd	None	74 mi	Jun 5, 1996
EF0	Light damage	0.3 mi × 10 yd	None	86 mi	May 31, 1996
EF1	Moderate damage	1 mi × 100 yd	None	65 mi	May 17, 1996
EF1	Moderate damage	2 mi × 100 yd	None	89 mi	May 17, 1996
EF3	Severe damage	17 mi × 200 yd	None	94 mi	May 17, 1996
EF1	Moderate damage	1 mi × 20 yd	None	103 mi	May 17, 1996
EF0	Light damage	0.3 mi × 10 yd	None	105 mi	May 17, 1996
EF0	Light damage	3 mi × 50 yd	None	92 mi	Oct 6, 1994
EF1	Moderate damage	0.5 mi × 70 yd	None	67 mi	Jun 25, 1994
EF0	Light damage	0.1 mi × 10 yd	None	66 mi	Jun 25, 1994
EF0	Light damage	0.1 mi × 10 yd	None	67 mi	Jun 25, 1994
EF0	Light damage	0.1 mi × 10 yd	None	76 mi	Jun 25, 1994
EF0	Light damage	3 mi × 10 yd	None	78 mi	Sep 2, 1992
EF0	Light damage	1 mi × 10 yd	None	68 mi	Sep 2, 1992
EF0	Light damage	4 mi × 10 yd	None	74 mi	Sep 2, 1992
EF0	Light damage	0.1 mi × 10 yd	None	52 mi	Sep 2, 1992
EF0	Light damage	18 mi × 10 yd	None	65 mi	Sep 2, 1992
EF1	Moderate damage	14 mi × 30 yd	None	52 mi	Sep 2, 1992
EF1	Moderate damage	0.5 mi × 30 yd	None	92 mi	Jun 22, 1992
EF0	Light damage	0.3 mi × 23 yd	None	94 mi	Jun 22, 1992
EF2	Considerable damage	1.5 mi × 13 yd	None	72 mi	Jun 16, 1992
EF1	Moderate damage	0.5 mi × 60 yd	None	35 mi	Jul 17, 1991
EF1	Moderate damage	2.9 mi × 50 yd	None	90 mi	Jul 11, 1991
EF1	Moderate damage	0.2 mi × 10 yd	None	41 mi	Jun 30, 1991
EF1	Moderate damage	0.2 mi × 10 yd	None	66 mi	Jun 9, 1991
EF0	Light damage	0.2 mi × 10 yd	None	75 mi	Jun 9, 1991
EF0	Light damage	0.1 mi × 10 yd	None	93 mi	Jun 19, 1990
EF2	Considerable damage	10 mi × 20 yd	None	25 mi	Jun 1, 1990
EF0	Light damage	12 mi × 10 yd	None	71 mi	Apr 23, 1990
EF0	Light damage	1 mi × 10 yd	None	71 mi	Apr 23, 1990
EF0	Light damage	0.2 mi × 13 yd	None	89 mi	May 29, 1989
EF0	Light damage	0.2 mi × 13 yd	None	92 mi	May 29, 1989
EF0	Light damage	0.2 mi × 13 yd	None	92 mi	Jul 28, 1988
EF1	Moderate damage	0.2 mi × 13 yd	None	87 mi	Jul 23, 1988
EF0	Light damage	0.2 mi × 13 yd	None	97 mi	Jul 12, 1988
EF0	Light damage	0.2 mi × 13 yd	None	98 mi	Aug 17, 1987
EF2	Considerable damage	1 mi × 50 yd	1 dead, 8 hurt	35 mi	Aug 15, 1987
EF0	Light damage	0.5 mi × 20 yd	None	41 mi	Aug 15, 1987
EF0	Light damage	0.2 mi × 13 yd	None	85 mi	Aug 15, 1987
EF0	Light damage	0.2 mi × 10 yd	None	76 mi	Jul 21, 1987
EF0	Light damage	10 mi × 10 yd	None	26 mi	Jul 10, 1987
EF0	Light damage	5 mi × 10 yd	None	23 mi	Jul 10, 1987
EF0	Light damage	0.2 mi × 30 yd	None	119 mi	Jun 21, 1987
EF1	Moderate damage	2 mi × 30 yd	None	74 mi	May 20, 1987
EF0	Light damage	0.2 mi × 13 yd	None	87 mi	Jul 17, 1986
EF1	Moderate damage	1 mi × 20 yd	None	62 mi	Jun 26, 1986
EF0	Light damage	0.3 mi × 20 yd	None	54 mi	Jun 26, 1986
EF0	Light damage	0.2 mi × 20 yd	None	52 mi	Jun 26, 1986
EF0	Light damage	0.2 mi × 20 yd	None	45 mi	Jun 21, 1986
EF0	Light damage	1.5 mi × 200 yd	None	63 mi	May 30, 1985
EF0	Light damage	0.5 mi × 17 yd	None	32 mi	May 11, 1985
EF0	Light damage	0.1 mi × 10 yd	None	92 mi	May 4, 1985
EF1	Moderate damage	3 mi × 70 yd	None	79 mi	Apr 21, 1985
EF0	Light damage	N/A	None	83 mi	Jun 4, 1984
EF0	Light damage	N/A	None	51 mi	Jun 4, 1984
EF2	Considerable damage	11.5 mi × 800 yd	None	51 mi	Apr 26, 1984
EF2	Considerable damage	1 mi × 800 yd	None	52 mi	Apr 26, 1984
EF1	Moderate damage	3.1 mi × 300 yd	None	59 mi	Apr 26, 1984
EF1	Moderate damage	0.3 mi × 10 yd	None	103 mi	Aug 28, 1983
EF0	Light damage	0.2 mi × 10 yd	None	84 mi	Jul 2, 1983
EF3	Severe damage	6 mi × 80 yd	None	60 mi	May 10, 1982
EF3	Severe damage	1 mi × 80 yd	None	61 mi	May 10, 1982
EF3	Severe damage	8 mi × 80 yd	None	70 mi	May 10, 1982
EF1	Moderate damage	N/A	None	111 mi	Aug 3, 1981
EF0	Light damage	0.2 mi × 33 yd	None	46 mi	Jul 31, 1981
EF0	Light damage	N/A	None	64 mi	Jul 10, 1981
EF0	Light damage	N/A	None	91 mi	May 22, 1981
EF0	Light damage	N/A	None	84 mi	Aug 6, 1980
EF2	Considerable damage	20.5 mi × 33 yd	None	105 mi	Aug 3, 1979
EF1	Moderate damage	9 mi × 567 yd	None	64 mi	Jun 28, 1979
EF0	Light damage	0.1 mi × 10 yd	None	70 mi	Jun 28, 1979
EF1	Moderate damage	5.4 mi × 10 yd	None	61 mi	Jun 28, 1979
EF1	Moderate damage	2.5 mi × 30 yd	None	63 mi	Jun 28, 1979
EF1	Moderate damage	3.3 mi × 100 yd	None	76 mi	Jun 28, 1979
EF0	Light damage	0.1 mi × 3 yd	None	91 mi	Jun 28, 1979
EF1	Moderate damage	N/A	1 dead, 0 hurt	102 mi	Jun 19, 1979
EF0	Light damage	0.3 mi × 50 yd	None	32 mi	May 29, 1979
EF0	Light damage	N/A	None	103 mi	May 28, 1979
EF0	Light damage	2 mi × 77 yd	None	73 mi	Jul 15, 1978
EF0	Light damage	N/A	None	65 mi	Jul 12, 1978
EF0	Light damage	N/A	None	68 mi	Jun 25, 1978
EF2	Considerable damage	19 mi × 33 yd	0 dead, 2 hurt	14 mi	Aug 26, 1977
EF2	Considerable damage	50 mi × 880 yd	0 dead, 8 hurt	55 mi	Aug 26, 1977
EF0	Light damage	N/A	None	84 mi	Aug 26, 1977
EF1	Moderate damage	0.5 mi × 50 yd	None	74 mi	Jul 4, 1977
EF1	Moderate damage	0.2 mi × 20 yd	None	51 mi	Jun 27, 1977
EF1	Moderate damage	0.1 mi × 20 yd	None	78 mi	May 30, 1977
EF0	Light damage	N/A	None	112 mi	May 21, 1977
EF1	Moderate damage	2 mi × 17 yd	None	68 mi	May 4, 1977
EF1	Moderate damage	N/A	None	99 mi	Aug 10, 1976
EF0	Light damage	1 mi × 10 yd	None	100 mi	Jun 24, 1976
EF1	Moderate damage	0.1 mi × 17 yd	None	100 mi	May 27, 1976
EF1	Moderate damage	0.1 mi × 33 yd	None	49 mi	Apr 15, 1976

📈 Historical Trends

Tornado activity near Bertha over 47 years

454

Total tornados on record

9.1

Average per year

EF4

Strongest recorded

Jun

Peak month

EF Scale Distribution

EF0

253

EF1

146

EF2

EF3

EF4

EF5

Yearly Tornado Count

1976 2025

Strongest Tornados on Record

EF4 OTTER TAIL, MI Jun 17, 2010

38 mi path 1 deaths 5 injured

EF4 OTTER TAIL, MI Jul 8, 2020

6.5 mi path 1 deaths 2 injured

EF4 WADENA, MI Jun 17, 2010

8 mi path 20 injured

EF4 RICHLAND, NO Aug 7, 2010

2.5 mi path

EF4 WILKIN, MI Aug 7, 2010

2.5 mi path

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

Tornado season is active. Bertha 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 Bertha

🛡️ 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 Bertha with live tracking