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Brule County Natural Disasters and Weather Extremes

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

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

Earthquake Index, #7

Brule County
South Dakota

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

Brule County
South Dakota

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, #26

Brule County
South Dakota

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 7,324 other weather extremes events within 50 miles of Brule County were recorded from 1950 to 2010. The following is a break down of these events:

Avalanche:0Blizzard:34Cold:4Dense Fog:0Drought:6
Dust Storm:0Flood:352Hail:4,300Heat:1Heavy Snow:28
High Surf:0Hurricane:0Ice Storm:2Landslide:0Strong Wind:54
Thunderstorm Winds:2,365Tropical Storm:0Wildfire:7Winter Storm:40Winter Weather:21

Volcanos Nearby

No volcano is found in or near Brule County.

Historical Earthquake Events

A total of 2 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Brule County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude

Historical Tornado Events

A total of 36 historical tornado events that had recorded magnitude of 2 or above found in or near Brule County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.61954-06-10243°43'N / 99°11'W1.00 Mile30 Yards0025K0Brule
7.31986-07-28243°47'N / 99°00'W43°43'N / 98°54'W6.00 Miles80 Yards00250K0Brule
9.01973-07-01243°50'N / 98°59'W0.30 Mile50 Yards0125K0Brule
9.11965-05-08243°40'N / 99°14'W43°43'N / 99°18'W4.30 Miles100 Yards0025K0Brule
11.41971-07-24343°46'N / 99°19'W2.50 Miles300 Yards000K0Brule
13.01968-06-20243°23'N / 99°26'W43°44'N / 98°58'W33.50 Miles33 Yards000K0Gregory
22.41986-07-28243°39'N / 98°43'W43°39'N / 98°36'W3.50 Miles80 Yards0025K0Aurora
25.71968-06-20243°29'N / 98°51'W43°36'N / 98°27'W21.40 Miles33 Yards000K0Charles Mix
26.21971-06-04243°23'N / 98°51'W43°26'N / 98°47'W4.30 Miles137 Yards0025K0Charles Mix
27.81992-06-16344°03'N / 99°26'W2.00 Miles73 Yards0825.0M0Buffalo
28.21971-07-09343°53'N / 99°37'W020K0Lyman
30.71971-07-03244°14'N / 98°59'W44°02'N / 98°41'W20.10 Miles30 Yards000K0Hand
33.02007-05-05343°40'N / 98°25'W43°44'N / 98°27'W4.00 Miles200 Yards00300K0KAurora
 Brief Description: EVENT NARRATIVE: A tornado destroyed a hunting lodge and nearby outbuildings. The tornado also severely damaged a house, tossed a trailer 100 yards, and caused tree damage. EPISODE NARRATIVE: Numerous thunderstorms during the afternoon and evening of May 5th produced large hail, damaging winds, several tornadoes, and flash flooding in southeast South Dakota. Significant damage was reported from several locations.
34.81971-07-03244°13'N / 99°00'W44°14'N / 98°56'W2.30 Miles100 Yards0025K0Hand
35.11971-07-09344°05'N / 99°36'W000K0Lyman
37.41971-07-03344°16'N / 99°14'W44°15'N / 99°17'W0025K0Hand
38.31966-06-04243°14'N / 99°26'W1.00 Mile800 Yards00250K0Gregory
39.41959-05-25244°15'N / 98°46'W003K0Hand
39.61954-08-01243°16'N / 99°28'W43°07'N / 99°16'W14.20 Miles33 Yards020K0Gregory
39.71962-05-15343°12'N / 99°24'W000K0Gregory
40.71965-05-08343°10'N / 99°20'W1.50 Miles20 Yards003K0Gregory
40.81971-10-18243°13'N / 99°32'W43°15'N / 99°32'W2.30 Miles367 Yards0025K0Turner
41.01986-07-28243°26'N / 98°23'W1.90 Miles80 Yards00250K0Douglas
41.41957-06-30243°22'N / 99°45'W0025K0Tripp
41.71962-05-21244°01'N / 98°17'W43°52'N / 98°20'W10.40 Miles33 Yards000K0Sanborn
42.52003-06-24243°42'N / 98°14'W43°47'N / 98°15'W6.00 Miles400 Yards00500K0Davison
 Brief Description: A tornado damaged crops, trees, and numerous buildings on several farms. On one farm the northeast corner of a home was heavily damaged, and several buildings including a barn, a grainery, and a machine shed were destroyed. Large trees were blown down.
42.62002-08-09243°07'N / 99°12'W43°07'N / 99°10'W2.00 Miles200 Yards001.0M0Gregory
 Brief Description: A tornado destroyed a church, a county highway shop, several garages, several small sheds, a mobile home, a camper, and a ten thousand bushel silo. The church was ripped from its foundation, with debris and contents blown over a wide area. Tree damage includes uprooted trees, and power lines were blown down. A resulting power outage lasted for several hours. Windows in many homes and some businesses were broken. The Herrick Honey House was severely damaged, and a honey truck was tipped over. Holes were punched in the walls of some houses by flying debris.
43.31987-08-05244°01'N / 99°52'W1.20 Miles80 Yards00250K0Lyman
43.71962-05-14343°24'N / 98°23'W43°30'N / 98°14'W9.70 Miles1760 Yards000K0Douglas
44.21957-04-18243°15'N / 99°44'W43°19'N / 99°43'W3.80 Miles33 Yards003K0Tripp
44.72010-05-22243°22'N / 99°52'W43°22'N / 99°48'W3.00 Miles150 Yards0080K0KTripp
 Brief Description: EVENT NARRATIVE: A tornado tracked along East 3rd Street in Winner, blowing down carports, trees, and tractor-trailers. A large barn was destroyed east of Winner; the curved roof was blown off in one piece and tossed across a corral. Another machine shed was blown apart. Based on the extent of the damage, wind speeds were estimated around 75 mph through town with peak winds 95 to 115 mph. EPISODE NARRATIVE: Large hail and strong wind gusts accompanied a severe thunderstorm over southern Todd and Tripp Counties. A tornado crossed the town of Winner, causing minor damage in town and destroying two barns east of town.
45.21969-06-25243°24'N / 98°14'W43°26'N / 98°22'W6.60 Miles200 Yards0225K0Douglas
45.62003-06-24344°01'N / 98°19'W44°05'N / 98°16'W5.00 Miles500 Yards00500K0Sanborn
 Brief Description: A tornado, crossing into Sanborn County from Jerauld County, destroyed or severely damaged several buildings on two farms. The tornado lifted the roof off a house. Another farmhouse had windows blown out, and shingles and aluminum siding torn off. Destroyed buildings included a barn, garage, outbuildings, and other small structures. Vehicles inside the destroyed garage were damaged. The tornado also caused tree, power line, and crop damage.
45.91965-05-08543°00'N / 99°43'W43°26'N / 99°38'W30.10 Miles1760 Yards012.5M0Tripp
46.31962-05-16343°04'N / 98°57'W020K0Charles Mix
47.31962-05-14343°00'N / 99°02'W43°06'N / 98°55'W8.50 Miles1760 Yards000K0Charles Mix

* 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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