Alert archive / Minnesota / Special Weather Statements in 2012
Special Weather Statement, NWS Grand Forks, ND
NWS Grand Forks, ND issued this special weather statement at Jun 10, 2012, 9:30 AM CDT for Mahnomen County, Minnesota. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2012, 9:30 AM CDT (14:30 UTC)
- Expired
- Jun 10, 2012, 10:00 AM CDT
- In force
- 30 min
- Issued by
- NWS Grand Forks, ND
County Mahnomen County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 108 km from the middle of the area, began a volume at 14:34 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
International Fa, MN (KINL), launched 12:00Z, 2.5 hours before the alert went out and 221 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
- 59 J/kg
- Mixed-layer CIN
- -530 J/kg
- Mixed-layer LCL
- 1794 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
757 WWUS83 KFGF 101430 SPSFGF SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 930 AM CDT SUN JUN 10 2012 MNZ002-015-022-101500- EAST POLK MN-MAHNOMEN MN-NORMAN MN- 930 AM CDT SUN JUN 10 2012 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN POLK...NORTHEASTERN NORMAN AND NORTHWESTERN MAHNOMEN COUNTIES UNTIL 1000 AM CDT... AT 929 AM CDT...STORM SPOTTERS REPORTED A THUNDERSTORM 10 MILES NORTH OF MAHNOMEN...OR 45 MILES NORTH OF DETROIT LAKES...MOVING TO THE NORTHEAST AT 35 MPH. HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THE STORM. THE STORM WILL BE NEAR... WINGER AROUND 935 AM CDT. MCINTOSH AND FOSSTON AROUND 945 AM CDT. BE PREPARED TO TAKE SHELTER IF THE STORMS INTENSIFY AND BECOME SEVERE...OR A WARNING IS ISSUED BY THE NATIONAL WEATHER SERVICE. LAT...LON 4776 9592 4764 9555 4732 9587 4745 9620 TIME...MOT...LOC 1430Z 214DEG 39KT 4747 9596 $$ SPEICHER
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 9:15 PM CDT | Severe Thunderstorm Warning | FGF | Kittson | 30 min |
| Jun 9, 11:50 PM CDT | Special Weather Statement | FGF | 55 min | |
| Jun 10, 6:40 AM CDT | Severe Thunderstorm Warning | FGF | Roseau | 50 min |
| Jun 10, 6:46 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods, Marshall, Roseau | 59 min |
| Jun 10, 7:36 AM CDT | Special Weather Statement | FGF | Lake of the Woods | 24 min |
| Jun 10, 8:08 AM CDT | Special Weather Statement | FGF | Mahnomen | 52 min |
| Jun 10, 8:34 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Mahnomen, Norman, Polk | 41 min |
| Jun 10, 3:23 PM CDT | Special Weather Statement | FGF | Wadena | 67 min |
| Jun 10, 3:49 PM CDT | Severe Thunderstorm Warning | FGF | Wadena | 26 min |
| Jun 10, 4:09 PM CDT | Special Weather Statement | FGF | Hubbard | 66 min |
| Jun 9, 7:50 PM CDT | Special Weather Statement | FGF | Pembina | 55 min |
| Jun 9, 7:58 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 62 min |
| Jun 10, 4:18 AM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 42 min |
Nearby
Special Weather Statements in Minnesota, 2012Every special weather statement 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.