South Dakota, 2019

Damaging Wind in South Dakota, September 20, 2019

September 20, 2019 · NWS UNR · 1 event in 1 county or zone

Severe thunderstorms moved northeast into Bennett County before weakening. They produced 60 mph wind gusts near Martin.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS UNR wrote it up.

Severe thunderstorms moved northeast into Bennett County before weakening. They produced 60 mph wind gusts near Martin.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Rapid City, SD wrote its last area forecast discussion before the first event at Sep 20, 6:58 PM MST, 42 minutes earlier.

Area forecast discussion, Sep 20, 6:58 PM MST, 42 minutes before
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Hazardous weather outlook, Sep 20, 8:28 AM MST, 11 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service Rapid City SD
928 AM MDT Fri Sep 20 2019

WYZ054>056-071-211300-
Northern Campbell-Southern Campbell-Western Crook-
Northeastern Crook-
928 AM MDT Fri Sep 20 2019

This Hazardous Weather Outlook is for portions of northeast
Wyoming.

.DAY ONE...Today and Tonight

Chances for showers and thunderstorms this afternoon and evening.
While a strong to severe storm is possible, widespread severe
weather is not expected.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

SDZ001-002-012>014-024>026-028-031-032-049-072-073-WYZ057-058-
211300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foot Hills-Rapid City-
Central Black Hills-Pennington Co Plains-Haakon-Tripp-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Wyoming Black Hills-Weston-
928 AM MDT Fri Sep 20 2019 /1028 AM CDT Fri Sep 20 2019/

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...south central South Dakota...southwestern South
Dakota...the Black Hills of South Dakota...northeast Wyoming...
and the Black Hills of Wyoming.

.DAY ONE...Today and Tonight

Widespread showers and thunderstorms are expected later this
afternoon and evening. Severe storms are likely with large hail
and gusty winds the main threats. Locally heavy rainfall is also
possible across western South Dakota.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Strong northwest winds will develop across the western SD plains
on Saturday. Sustained winds of 20 to 30 mph, with gusts around 45
mph, will be possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

SDZ027-029-030-041>044-046-047-074-211300-
Southern Foot Hills-Southern Black Hills-Custer Co Plains-
Fall River-Oglala Lakota-Jackson-Bennett-Mellette-Todd-
Hermosa Foot Hills-
928 AM MDT Fri Sep 20 2019 /1028 AM CDT Fri Sep 20 2019/

This Hazardous Weather Outlook is for portions of south central
South Dakota...southwestern South Dakota...and the Black Hills of
South Dakota.

.DAY ONE...Today and Tonight

Widespread showers and thunderstorms are expected later this
afternoon and evening. Severe storms are likely, with large hail, gusty
winds, and heavy rain. Additionally, isolated tornadoes will be
possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Strong northwest winds will develop across the western SD plains
on Saturday. Sustained winds of 20 to 30 mph, with gusts around 45
mph, will be possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

In the hours before

Local storm report, Sep 20, 6:25 PM MST, 1 hour 15 minutes before
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Special weather statement, Sep 20, 6:48 PM MST, 52 minutes before
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Special weather statement, Sep 20, 7:11 PM MST, 29 minutes before
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Local storm report, Sep 20, 7:18 PM MST, 22 minutes before
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Local storm report, Sep 20, 7:32 PM MST, 8 minutes before
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Local storm report, Sep 20, 7:37 PM MST, 3 minutes before
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The radar

The Rapid City radar (KUDX), 141 km away, was scanning. The volume nearest the first event began at 02:37 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Bennett

When
September 20, 7:40 PM MST
Where
Bennett County, 5 mi ENE of Martin
Measured
52 kt (60 mph) estimated gust
Reported by
Trained Spotter
Coordinates
43.198, -101.638

Wind gusts were estimated at 60 mph.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in South Dakota in 2019Every state in 2019This day in weather historyWarnings in South Dakota, September 2019

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 849556.