Alert archive / South Dakota / Winter Storm Watches in 2012
Winter Storm Watch 3, NWS Aberdeen, SD
NWS Aberdeen, SD issued this winter storm watch at Feb 26, 2012, 3:21 AM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Feb 28, 2012, 6:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 26, 2012, 3:21 AM CST (09:21 UTC)
- In effect from
- Feb 28, 2012, 6:00 AM CST
- Expired
- Feb 26, 2012, 3:20 PM CST
- In force
- Issued by
- NWS Aberdeen, SD
All 28 counties
Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 56 km from the middle of the area, began a volume at 09:21 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 9.4 hours before the alert went out and 34 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1332 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 318 m²/s²
- 0-3 km storm-relative helicity
- 644 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Aberdeen, SD wrote its last area forecast discussion before this winter storm watch went out at Feb 25, 11:26 PM CST, 3 hours 55 minutes earlier.
Area forecast discussion, Feb 25, 11:26 PM CST, 3 hours 55 minutes before
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</html>Hazardous weather outlook, Feb 25, 7:43 AM CST, 19 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE ABERDEEN SD 743 AM CST SAT FEB 25 2012 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-261345- TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL- ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK- CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES- LYMAN-BUFFALO- 743 AM CST SAT FEB 25 2012 /643 AM MST SAT FEB 25 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT GUSTY WINDS ARE EXPECTED TO DEVELOP TODAY ACROSS MOST OF THE REGION. THE STRONGEST WINDS HOWEVER ARE EXPECTED FOR LOCATIONS ALONG AND WEST OF THE MISSOURI RIVER WHERE GUSTS COULD REACH 45 MPH. THE COMBINATION OF LIGHT SNOW AND GUSTY WINDS TONIGHT COULD RESULT IN REDUCTION IN VISIBILITIES...ESPECIALLY FOR LOCATIONS ALONG THE I-29 CORRIDOR. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY GUSTY WESTERLY WINDS ARE EXPECTED ON SUNDAY WITH SUSTAINED WINDS OF 20 TO 30 MPH POSSIBLE. WIND GUSTS COULD EXCEED 45 MPH AT TIMES. WITH LIGHT SNOW POSSIBLE FOR LOCATIONS NORTH OF HIGHWAY 14...THE STRONG WINDS WILL LIKELY PRODUCE AREAS OF BLOWING SNOW WITH A REDUCTION IN VISIBILITIES. LUCKILY...LITTLE ACCUMULATING SNOW IS EXPECTED AT THIS TIME. ANOTHER STORM SYSTEM WILL MOVE ACROSS THE NORTHERN PLAINS ON TUESDAY AND WEDNESDAY WITH SIGNIFICANT ACCUMULATING SNOW POSSIBLE. THE LATEST INDICATIONS ARE THAT THE MAJORITY OF THE REGION COULD SEE SNOWFALL AMOUNTS IN EXCESS OF 8 INCHES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 3:20 PM CST | Blizzard Watch | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 23 hr |
Nearby
Winter Storm Watches in South Dakota, 2012Winter Storm Watches in Minnesota, 2012Every winter storm watch in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.