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Grant County Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Grant County is about the same as Minnesota average and is much lower than the national average. The risk of tornado damage in Grant County is about the same as Minnesota average and is lower than the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #3

Grant County
0.06
Minnesota
0.01
U.S.
1.81

The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.

Volcano Index, #1

Grant County
0.0000
Minnesota
0.0000
U.S.
0.0023

The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.

Tornado Index, #46

Grant County
126.15
Minnesota
135.90
U.S.
136.45

The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.

Other Weather Extremes Events

A total of 7,843 other weather extremes events within 50 miles of Grant County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:50Cold:40Dense Fog:2Drought:16
Dust Storm:0Flood:440Hail:3,961Heat:8Heavy Snow:58
High Surf:0Hurricane:0Ice Storm:12Landslide:0Strong Wind:51
Thunderstorm Winds:2,788Tropical Storm:0Wildfire:1Winter Storm:112Winter Weather:27
Other:277 

Volcanos Nearby

No volcano is found in or near Grant County.

Historical Earthquake Events

A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Grant County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
18.11975-07-095N/A45.67-96.04

Historical Tornado Events

A total of 42 historical tornado events that had recorded magnitude of 2 or above found in or near Grant County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
12.21984-04-26245°47'N / 95°53'W45°53'N / 95°43'W11.50 Miles800 Yards002.5M0Grant
12.21984-04-26245°46'N / 95°54'W45°47'N / 95°53'W1.00 Mile800 Yards002.5M0Stevens
12.91982-05-10346°02'N / 96°16'W46°04'N / 96°10'W6.00 Miles80 Yards002.5M0Grant
14.31982-05-10346°01'N / 96°17'W46°02'N / 96°16'W1.00 Mile80 Yards002.5M0Traverse
15.61987-08-15246°03'N / 95°44'W1.00 Mile50 Yards182.5M0Otter Tail
18.51982-05-10346°01'N / 96°28'W46°01'N / 96°17'W8.00 Miles80 Yards002.5M0Traverse
25.21996-10-26245°49'N / 95°29'W45°56'N / 95°30'W9.00 Miles880 Yards0400Douglas
 Brief Description: Several homes destroyed. Car flipped over. 1 women sustained broken bones and internal injuries when a portion of her house, with her inside, was flung 200 feet onto the interstate. 500 pound fuel tank pushed over.
28.72010-08-07446°07'N / 96°33'W46°09'N / 96°31'W3.00 Miles600 Yards000K0KWilkin
 Brief Description: EVENT NARRATIVE: This tornado began in Richland County, North Dakota, at 625 pm CDT, where it had a path length of 2.5 miles. It continued in Wilkin County, Minnesota, where it finally lifted about 2.5 miles southwest of Doran. The total path length was roughly five miles and peak winds were estimated at 175 mph. EPISODE NARRATIVE: By late in the day on the 7th, an east-west lying warm front had set up just north of the South Dakota border, extending eastward into west central Minnesota. South of the warm front, temperatures were in the mid to upper 80s with dew points in the lower 70s. Thunderstorms formed along and north of the warm front and several produced tornadoes.
28.91974-07-13246°19'N / 96°04'W46°23'N / 95°57'W6.40 Miles500 Yards00250K0Otter Tail
29.61964-05-05346°03'N / 96°36'W46°08'N / 96°34'W5.20 Miles440 Yards0110K0Richland
29.71965-05-05245°54'N / 95°25'W46°12'N / 95°25'W20.70 Miles100 Yards0025K0Douglas
29.81953-05-10245°25'N / 95°45'W45°40'N / 95°44'W17.00 Miles440 Yards00250K0Pope
29.82010-08-07446°06'N / 96°37'W46°06'N / 96°33'W3.00 Miles600 Yards000K0KRichland
 Brief Description: EVENT NARRATIVE: This tornado touched down south of Tyler and tracked to the east for roughly 2.5 miles before crossing the Bois de Sioux River into Wilkin County, Minnesota. In Wilkin County, the tornado continued for another 2.5 miles and lifted about 650 pm CDT. The total track length was about 5 miles and peak winds were estimated at 175 mph. EPISODE NARRATIVE: By late in the day on the 7th, an east-west lying warm front had set up just north of the South Dakota border, extending eastward into west central Minnesota. South of the warm front, temperatures were in the mid to upper 80s with dew points in the lower 70s. Thunderstorms formed along and north of the warm front and several produced tornadoes.
30.11964-05-05346°08'N / 96°34'W46°08'N / 96°34'W003K0Wilkin
30.92005-06-29246°22'N / 95°57'W46°23'N / 95°56'W1.50 Miles200 Yards0000Otter Tail
 Brief Description: The tornado flattened an older barn and uprooted several trees. Two people narrowly escaped the tornado as it hit the barn. The landowner reported that another tornado had hit another barn on same site back in 1933. Peak winds were estimated at 130 mph.
32.61990-06-01245°57'N / 95°20'W46°05'N / 95°21'W10.00 Miles20 Yards00250K0Douglas
33.81959-07-07245°40'N / 95°28'W45°48'N / 95°16'W13.00 Miles30 Yards0025K0Pope
33.91964-06-18345°38'N / 95°28'W45°42'N / 95°22'W6.20 Miles200 Yards013250K0Pope
33.91977-08-26246°18'N / 96°12'W46°26'N / 95°10'W50.00 Miles880 Yards08250K0Otter Tail
34.71970-07-18246°03'N / 95°21'W46°03'N / 95°16'W3.00 Miles100 Yards052.5M0Douglas
38.01996-05-17345°23'N / 96°34'W45°33'N / 96°18'W17.00 Miles200 Yards001.5M0Big Stone
 Brief Description: A tornado crossing Big Stone Lake from Roberts County, South Dakota destroyed one cabin at the Meadowbrook Resort, blew the roof off another cabin, and another cabin was demolished when a big tree fell onto it. Several boats on Big Stone Lake were overturned. Approxiamately 150 buildings sustained damage or were destroyed as the tornado moved northeast across Big Stone County through the townships of Prior, Big Stone, Almond, Malta, and Moonshine. Southwest of Clinton, a pontoon boat and a camper were destroyed. East of Clinton, a farm lost all buildings with severe damage to their home. The cupboards fell off the walls and doors would not close, signifying a twisted frame. Northeast of Clinton, another farm suffered damage to all structures. Half of the roof was torn off their home. Two miles south of Johnson, a house (rambler) was completely destroyed and several barns and machine sheds were destroyed, before the tornado lifted. Many trees were uprooted in the path of the tornado across Big Stone County and much of the power was out in the County as power lines were downed.
39.02004-09-23245°42'N / 96°44'W45°45'N / 96°48'W2.20 Miles50 Yards0000Roberts
 Brief Description: The storm entered South Dakota from Traverse county, Minnesota where it produced a tornado. The storm produced a second tornado as it crossed Lake Traverse into South Dakota. This tornado was stronger and destroyed a house, a mobile home, and a travel trailer. Another house and travel trailer were damaged and a shed was also ripped apart. The tornado also killed three cattle.
40.51964-05-05245°48'N / 96°52'W45°52'N / 96°49'W4.50 Miles100 Yards0025K0Roberts
40.62005-06-20246°27'N / 95°38'W46°26'N / 95°33'W4.00 Miles200 Yards0000Otter Tail
 Brief Description: Large trees were uprooted and a roof was torn off a house. The top was torn off a wooden grain elevator in Ottertail and a nearby grain bin was bent inward. A gas pump was blown over at a convenience store, causing a fire. The tornado also tore the roof off a business in Ottertail and destroyed its sign. A delivery truck was lifted off the ground and thrown 20 feet onto a nearby car.
41.91954-08-15245°25'N / 95°30'W45°31'N / 95°24'W7.90 Miles33 Yards0025K0Swift
42.12001-06-13346°10'N / 95°20'W46°17'N / 95°09'W11.00 Miles100 Yards035.0M0Otter Tail
 Brief Description: The tornado caused quite a bit of damage along its path across southeast Otter Tail county before it crossed into Todd county. At one farmstead, 9 people huddled inside a house with no basement as its roof was torn off. Nobody was injured, but another trailer home nearby was completely destroyed. Many irrigation systems were overturned, trees, power poles, and lines snapped, and grain bins destroyed by the strong wind. An estimated 100 poles were broken off leaving nearly 1,100 people without power. At another farm, a 40x80 foot pole barn was wrecked. About 6 miles northeast of Parkers Prairie, a man and his two kids rode out the storm in their minivan inside a quonset. Trees all around them and the quonset were crumpled by the wind, yet they survived. Another farmstead lost a house, trailer home, and two silos. A turkey barn containing 12,000 turkeys was also hit, with an estimated 60 percent of the turkeys perishing.
42.61956-10-29245°31'N / 96°40'W000K0Big Stone
43.01955-07-02346°31'N / 96°42'W46°16'N / 96°32'W18.70 Miles440 Yards03250K0Wilkin
43.52010-06-17446°06'N / 95°25'W46°36'N / 95°15'W38.00 Miles2288 Yards150K0KOtter Tail
 Brief Description: EVENT NARRATIVE: This tornado began in Douglas County, Minnesota. It moved northward into Otter Tail County and produced an additional 38 miles of continuous damage path. The tornado destroyed numerous homes and farmsteads along its path, completely sweeping 7 homes from their foundations. At times, this multi-vortex tornado complex consisted of multiple tornadic tubes pivoting around a common center. Peak winds were estimated at 175 mph. EPISODE NARRATIVE: Conditions were ripe by the afternoon of the 17th for a major severe weather outbreak. A surface low had moved into east central North Dakota with an occluded front extending to the southeast. Warm and humid air was in place ahead of the front, with a much drier airmass pushing in behind it. The 500mb low was located over northwest North Dakota with a nice southwest to northeast upper jet pushing into eastern North Dakota. Two lines of convection formed by late afternoon, one from Roseau County down toward Eastern Otter Tail County and the other over east central North Dakota. Nearly all the cells that formed took on a classic hook shape with rotation very evident on radar imagery. Multiple tornado warnings were issued before the event wound down by mid evening. The strongest tornadoes were determined to be EF4 tornadoes, two in west central Minnesota and one in northeast North Dakota.
43.61959-07-07246°30'N / 95°37'W2.50 Miles100 Yards003K0Otter Tail
43.62002-06-19246°32'N / 96°17'W46°32'N / 96°17'W0.20 Mile25 Yards0025K0Wilkin
 Brief Description: A brief tornado touchdown demolished a 76x296 foot roof on a turkey barn.
44.51992-06-16245°19'N / 95°44'W1.50 Miles13 Yards000K0Swift
44.51996-10-26246°19'N / 95°22'W46°31'N / 95°26'W17.00 Miles75 Yards01400K0Otter Tail
 Brief Description: This tornado followed a track through eastern Otter Tail county, with the first damage report along Highway 210. A man stopped his car along the road when he saw the threatening clouds. The tornado picked his car up and spun it around, with the man inside. The car windows were all broken, but the man only sustained cuts on his hands. The tornado destroyed several farm buildings, one full of dairy cows. 21 of the cows were killed. The last damage report was just west of New York Mills. Two deer hunters were in tree stands when the storm approached. One managed to get down to the ground and lay flat, but the other clung to the tree as the tornado passed. As the wind died down, the man found his tree was the only one left standing in a grove of 36 around him. Neither man was injured.
45.42004-09-05246°31'N / 95°41'W46°34'N / 95°38'W4.00 Miles100 Yards00250K0Otter Tail
 Brief Description: A tornado tracked through pasture, forest, and corn fields. Numerous trees were knocked down and one farmstead received extensive barn, shed, and home damage. Twelve head of cattle were killed. Several trees were toppled onto homes near Marion Lake. Farmyard debris was carried as far as Perham, about 7 miles northeast.
45.41950-06-15246°35'N / 96°20'W46°31'N / 96°20'W4.60 Miles67 Yards043K0Wilkin
46.52009-07-14245°24'N / 95°24'W45°27'N / 95°21'W4.00 Miles350 Yards00250K50KPope
 Brief Description: EVENT NARRATIVE: A National Weather Service storm survey and visual reports confirmed that a tornado moved through portions of Swift and Pope Counties in west central Minnesota where two turkey barns and several outbuildings were destroyed, with extensive tree damage throughout the entire path. Maximum damage was EF-2 with estimated winds of 111-119 mph. In the town of Swift Falls, two residences were damaged along with two garages that were destroyed. The tornado was produced minor crop damage northeast of Swift Falls. EPISODE NARRATIVE: A strong cold front, deep moisture and a high shear environment led to severe weather across portions of central Minnesota late Tuesday afternoon and evening of July 14th. Several individual storms developed across west central Minnesota and moved quickly northeast and spawned three tornadoes near Swift Falls, Elrosa and Spicer, Minnesota. In addition, several strong thunderstorms tracked across northern Todd and far northwestern Morrison County where two to four inches of rain fell in a short period of time. Due to the highly moist environment, and high rainfall rates, several areas of urban flooding was reported. One was in the community of Staples, and another was in St. Cloud.
47.02009-07-14245°22'N / 95°28'W45°24'N / 95°24'W4.00 Miles350 Yards00250K50KSwift
 Brief Description: EVENT NARRATIVE: A National Weather Service storm survey and visual reports confirmed that a tornado moved through portions of Swift and Pope Counties in west central Minnesota where two turkey barns and several outbuildings were destroyed, with extensive tree damage throughout the entire path. Maximum damage was EF-2 with estimated winds of 111-119 mph. In the town of Swift Falls, two residences were damaged along with two garages that were destroyed. The tornado was produced minor crop damage northeast of Swift Falls. EPISODE NARRATIVE: A strong cold front, deep moisture and a high shear environment led to severe weather across portions of central Minnesota late Tuesday afternoon and evening of July 14th. Several individual storms developed across west central Minnesota and moved quickly northeast and spawned three tornadoes near Swift Falls, Elrosa and Spicer, Minnesota. In addition, several strong thunderstorms tracked across northern Todd and far northwestern Morrison County where two to four inches of rain fell in a short period of time. Due to the highly moist environment, and high rainfall rates, several areas of urban flooding was reported. One was in the community of Staples, and another was in St. Cloud.
47.41964-05-05246°36'N / 95°59'W46°38'N / 95°57'W013250K0Otter Tail
47.52007-06-07246°34'N / 96°00'W46°40'N / 95°52'W7.00 Miles150 Yards000K0KOtter Tail
 Brief Description: EVENT NARRATIVE: A tornado touched down near the southwest end of Lake Lida, crossed Lake Lida and Crystal Lake (moving north-northeast), and lifted around 4 miles west of Vergas. Several houses were structurally damaged on Lake Lida and Crystal Lake. Boats, docks, travel trailers, and mobile homes were lofted and completely destroyed. Numerous power poles and trees were snapped off, cutting power to nearly 400 customers. Peak winds were estimated at 130 to 135 mph. EPISODE NARRATIVE: By noon on the 7th, a surface low was located near Lake Park, Minnesota, with a trailing cold front extending back into extreme southeast North Dakota. An occluded front also extended to the northeast, toward the Bemidji, MN, area. Surface dew points pooled right around 60 F in the vicinity of the surface low with temperatures in the middle 70s. The cold front was strong for early June, with a noon temperature in Devils Lake, ND, of 48 degrees. This set up a strong surface thermal and moisture boundary along a Wahpeton-Breckenridge to Bemidji line. Storms initially fired across southeast ND and then spread into portions of west central and northwest MN. There was also strong upper level support for these storms, as one severe report north of Embden (in Cass County, ND) occurred well behind the surface boundary.
48.21965-05-05246°28'N / 95°25'W46°32'N / 95°26'W3.60 Miles100 Yards0025K0Douglas
48.32001-06-13346°16'N / 95°09'W46°17'N / 95°07'W1.00 Mile100 Yards0010K0Todd
 Brief Description: NWS Grand Forks damage survey revealed an F3 tornado touch down in Otter Tail County, one mile NW of Parkers Prairie at 1753 CST. It tracked to just southeast of Wrightstown, for an 11 mile path in Otter Tail County. It then continued on for one mile in Todd County where it dissipated 3 WNW of Bertha. Total path length 12 miles.
49.42001-06-11245°19'N / 95°37'W45°16'N / 95°29'W8.00 Miles150 Yards0710.0M0Swift
 Brief Description: After several brief tornadoes around Danvers, a much larger tornado struck the east side of Benson and travelled southeast along Highway 212. 71 structures were damaged, including 4 homes and 7 businesses that had to be demolished. The tornado lifted off in DeGraff, but not before damaging one last grain bin, taking the roof off a grain elevator, and knocking several sheds down in DeGraff. Seven people were injured when they fled a van just as the tornado was hitting the vehicle on the eastern edge of Benson. One boy was critically injured but survived and was discharged from the hospital two weeks later. Damage listed encompasses damages from all tornadoes and wind events in Swift County.


* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.


 
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