Winter Storm in South Dakota, February 27, 2009

Name: Winter Storm in South Dakota, February 27, 2009
Start: 2009-02-27T07:00
End: 2009-02-27T18:00
Location: South Dakota

February 27, 2009 · NWS UNR · 3 events in 3 counties and zones

A fast moving low pressure system brought snow to much of the region. The heaviest snow fell across south central South Dakota, where five to ten inches accumulated.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. 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: 3

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.

A fast moving low pressure system brought snow to much of the region. The heaviest snow fell across south central South Dakota, where five to ten inches accumulated.

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 Feb 26, 4:00 PM CST, 15 hours earlier.

Area forecast discussion, Feb 26, 4:00 PM CST, 15 hours before

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Hazardous weather outlook, Feb 26, 2:45 PM CST, 16 hours 15 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 winter storm. Local standard time, as filed.

Winter Storm, Mellette

When: February 27, 7:00 AM CST to 6:00 PM CST
Where: Mellette forecast zone
Reported by: Trained Spotter
Coordinates: 43.581, -100.760 (the zone’s center; the record gives no point)

Winter Storm, Todd

When: February 27, 7:00 AM CST to 6:00 PM CST
Where: Todd forecast zone
Reported by: Trained Spotter
Coordinates: 43.193, -100.718 (the zone’s center; the record gives no point)

Winter Storm, Tripp

When: February 27, 8:00 AM CST to 6:00 PM CST
Where: Tripp forecast zone
Reported by: Trained Spotter
Coordinates: 43.346, -99.884 (the zone’s center; the record gives no point)

What these are

Winter Storm: A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

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

The same day elsewhere

Every storm in South Dakota in 2009 Every state in 2009 This day in weather history Warnings in South Dakota, February 2009

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 2026-10-01. Each event’s entry at NCEI: 153770, 153771, 153772.