Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 40, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 20, 2013, 12:29 AM CDT for Roberts County, South Dakota; Big Stone County, Traverse County, Minnesota. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2013, 12:29 AM CDT (05:29 UTC)
- Expired
- Jun 20, 2013, 1:30 AM CDT
- In force
- 61 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Big Stone County, MN, Traverse County, MN, Roberts County, SD
The radar
The Aberdeen radar (KABR), 142 km from the middle of the area, began a volume at 05:29 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, 5.5 hours before the alert went out and 161 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
- 300 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 2292 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 20, 12:28 AM CDT, 1 minute earlier.
Area forecast discussion, Jun 20, 12:28 AM CDT, 1 minute before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 407 AM CDT WED JUN 19 2013 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-200915- 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- 407 AM CDT WED JUN 19 2013 /307 AM MDT WED JUN 19 2013/ 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 SHOWERS AND THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON...INITIALLY DEVELOPING ACROSS SOUTH CENTRAL SOUTH DAKOTA AND MOVING NORTHEAST. THERE MAY BE ISOLATED STRONG STORMS THIS AFTERNOON. ANOTHER ROUND OF STRONG STORMS IS EXPECTED TO DEVELOP OVERNIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY AN UNSETTLED PATTERN CONTINUES THROUGH THIS WEEK...WITH SEVERAL CHANCES FOR THUNDERSTORMS TO DEVELOP. SEVERE STORMS ARE POSSIBLE ON THURSDAY AND THROUGH THE WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT. SERR
In the hours before
Special weather statement, Jun 19, 10:35 PM CDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1035 PM CDT WED JUN 19 2013 SDZ006-010-200415- BROWN-EDMUNDS- 1035 PM CDT WED JUN 19 2013 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR EASTERN EDMUNDS AND WESTERN BROWN COUNTIES UNTIL 1115 PM CDT... AT 1031 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 7 MILES NORTHWEST OF WARNER...OR 9 MILES SOUTHWEST OF ABERDEEN...MOVING NORTHEAST AT 25 MPH. A FEW LOCATIONS IN THE ADVISORY INCLUDE ABERDEEN...RICHMOND LAKE REC AREA AND WESTPORT. SMALL HAIL...AND WINDS AROUND 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && TDK
Special weather statement, Jun 19, 10:49 PM CDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABERDEEN SD 1049 PM CDT WED JUN 19 2013 SDZ008-021-200430- GRANT-ROBERTS- 1049 PM CDT WED JUN 19 2013 ...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED FOR NORTHERN GRANT AND SOUTHEASTERN ROBERTS COUNTIES UNTIL 1130 PM CDT... AT 1045 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR MARVIN...OR 12 MILES WEST OF MILBANK... MOVING NORTHEAST AT 10 MPH. A FEW LOCATIONS IN THE ADVISORY INCLUDE CORONA AND WILMOT. SMALL HAIL...AND WINDS AROUND 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && TDK
Local storm report, Jun 19, 10:56 PM CDT, 1 hour 33 minutes before
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</html>Special weather statement, Jun 19, 11:50 PM CDT, 39 minutes before
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</html>Local storm report, Jun 20, 12:15 AM CDT, 14 minutes before
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</html>The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 11:27 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 63 min |
| Jun 20, 12:14 AM CDT | Flash Flood Warning | ABR | Grant, Roberts | 6 hr |
| Jun 20, 6:02 AM CDT | Flash Flood Warning | ABR | Grant, Roberts | 6 hr |
| Jun 20, 6:06 AM CDT | Severe Thunderstorm Warning | ABR | Day | 39 min |
| Jun 20, 6:45 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Day, Grant, Marshall, Roberts | 45 min |
| Jun 20, 8:43 AM CDT | Flash Flood Warning | ABR | Marshall, Roberts | 6 hr |
| Jun 20, 9:20 AM CDT | River Flood Warning | ABR | Spink | 77 days |
| Jun 20, 11:00 AM CDT | Flash Flood Watch | ABR | Brown, Clark, Codington, Day, Deuel, Grant and 4 more | 68 hr |
| Jun 20, 6:17 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 58 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2013Severe Thunderstorm Warnings in South Dakota, 2013Every severe thunderstorm warning in 2013
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.