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Ridgeview, SD Natural Disasters and Weather Extremes

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

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

Earthquake Index, #339

Ridgeview, SD
0.01
South Dakota
0.05
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

Ridgeview, SD
0.0000
South Dakota
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, #363

Ridgeview, SD
51.34
South Dakota
114.73
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 1,060 other weather extremes events within 50 miles of Ridgeview, SD were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:0Dense Fog:0Drought:0
Dust Storm:0Flood:49Hail:621Heat:0Heavy Snow:0
High Surf:0Hurricane:0Ice Storm:0Landslide:0Strong Wind:0
Thunderstorm Winds:377Tropical Storm:0Wildfire:0Winter Storm:0Winter Weather:0
Other:13 

Volcanos Nearby

No volcano is found in or near Ridgeview, SD.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Ridgeview, SD.

No historical earthquake events found in or near Ridgeview, SD.

Historical Tornado Events

A total of 18 historical tornado events that had recorded magnitude of 2 or above found in or near Ridgeview, SD.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
6.91964-06-08245°05'N / 100°42'W45°09'N / 100°41'W3.80 Miles33 Yards010K0Dewey
12.21970-07-18245°06'N / 100°18'W000K0Potter
24.51955-04-19245°01'N / 100°07'W45°16'N / 99°59'W18.20 Miles27 Yards003K0Potter
30.31955-04-19245°03'N / 101°10'W003K0Dewey
30.91953-06-02245°00'N / 101°14'W45°01'N / 101°06'W5.90 Miles33 Yards0025K0Dewey
32.11955-04-19245°01'N / 99°56'W45°10'N / 99°51'W10.80 Miles67 Yards000K0Potter
33.01971-10-01244°43'N / 100°10'W0.50 Mile300 Yards0025K0Sully
34.91968-06-20345°32'N / 100°13'W45°30'N / 100°02'W8.80 Miles200 Yards000K0Walworth
36.81968-06-20345°30'N / 100°02'W000K0Walworth
37.41964-06-18245°12'N / 99°49'W45°15'N / 99°47'W2.70 Miles200 Yards0025K0Potter
37.62010-06-16245°03'N / 101°19'W45°03'N / 101°19'W000K0KDewey
 Brief Description: EVENT NARRATIVE: A tornado touched down briefly on a farm six miles northwest of Eagle Butte. Two homes suffered severe structural damage with several pole barns destroyed. Also several pieces of agricultural equipment were damaged or destroyed. A horse was severely injured and had to be put down. Wind speeds were estimated between 120 and 125 mph. EPISODE NARRATIVE: Several supercell thunderstorms brought very heavy rains of 4 to 7 inches, hail up to golfball size, winds to over 100 mph, along with a tornado to parts of north central South Dakota. Dewey county was the most affected by the storms.
38.61961-06-28245°15'N / 99°47'W1.00 Mile33 Yards00250K0Walworth
42.81959-07-03245°30'N / 99°52'W0025K0Walworth
44.02001-07-18245°15'N / 99°40'W45°14'N / 99°40'W1.00 Mile100 Yards0000Edmunds
 Brief Description: A tornado touched down and heavily damaged a house. The attached garage was totally destroyed with two vehicles badly damaged. The metal roof was ripped off of the barn with three outbuildings destroyed. Five telephone/power poles were broken off with 1/2 to 3/4 of a mile of power lines down. Also, a small windmill was wrapped around a power pole.
44.01964-06-18245°15'N / 99°47'W45°34'N / 99°43'W21.90 Miles200 Yards0225K0Walworth
45.91970-06-14245°40'N / 100°02'W2.50 Miles1760 Yards0025K0Campbell
46.52010-05-22245°27'N / 99°45'W45°27'N / 99°42'W2.00 Miles600 Yards000K0KWalworth
 Brief Description: EVENT NARRATIVE: The third tornado formed about four miles west of Bowdle on Highway 12. The tornado came down on a farm or formed immediately to the south of the farm. Several outbuildings were severely damaged with the residence sustaining siding and roof damage. A stock trailer was thrown about 75 yards from its initial point. Tree damage was sustained on the west side of the property with fallen trees leaning west. On the east side of the property, debris was scattered to the northeast. The damage on the farm was consistent with an EF2 rating with wind speeds ranging from 111 to 135 mph. The tornado continued moving northeast crossing into western Edmunds county where it intensified to an EF4. EPISODE NARRATIVE: Several supercell thunderstorms developed along a very strong warm front and produced nine tornadoes from Akaska to Bowdle to Hecla. The largest of the tornadoes was an EF4 tornado which occurred near Bowdle. This tornado produced devastating damage in the Bowdle area. The other tornadoes ranged from EF0 to EF2 and caused extensive tree and building damage. Nearly one-hundred power poles were downed along with several high line towers leaving nearly a thousand customers without power. Also, very strong straight line winds and large hail up to the size of golfballs affected parts of the area causing some damage.
49.22010-05-22445°27'N / 99°42'W45°28'N / 99°38'W4.00 Miles1200 Yards000K0KEdmunds
 Brief Description: EVENT NARRATIVE: An EF2 tornado in eastern Walworth county crossed into western Edmunds county and intensified into a large EF4 tornado as it struck several farms in its path. At the first farm, several large cottonwood trees were uprooted along with damage to several trailers. Three grain bins were also destroyed with debris located several hundred yards to the northeast. The residence suffered some shingle and antenna damage. The tornado then tracked northeast to a second farm where several outbuildings were damaged or destroyed along with widespread tree damage. The main residence at this location suffered no damage. Several grain cars were also rolled about 100 yards into the trees behind the house. The large tornado continued to track northeast to a third farm to the north of Bowdle. The main residence suffered major damage to walls with part of the roof structure removed. Widespread tree damage was sustained with many of the trees completely debarked with only the stumps of the largest branches remaining. Two large garages were completely destroyed with the concrete slab wiped clean. The vehicles in one garage were rolled or tossed from 25 to 100 yards away. It is estimated that one vehicle flew through the air 75 to 100 yards resting in the tree shelter belt to the north of the residence. Several other outbuildings were completely destroyed. The tornado then toppled six to eight metal power transmission towers as it moved to the north of the farm. One tower was sheared off from the concrete footings and traveled an estimated 400 yards. Ground scouring was visible along the path of these towers. The large tornado continued to track east crossing over State Highway 47 where a state radio tower was toppled. The tornado lifted shortly thereafter. The highest wind speeds were estimated to be from 166 to 200 mph. EPISODE NARRATIVE: Several supercell thunderstorms developed along a very strong warm front and produced nine tornadoes from Akaska to Bowdle to Hecla. The largest of the tornadoes was an EF4 tornado which occurred near Bowdle. This tornado produced devastating damage in the Bowdle area. The other tornadoes ranged from EF0 to EF2 and caused extensive tree and building damage. Nearly one-hundred power poles were downed along with several high line towers leaving nearly a thousand customers without power. Also, very strong straight line winds and large hail up to the size of golfballs affected parts of the area causing some damage.


* 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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