Alert archive / Minnesota / Winter Storm Watches in 2007
Winter Storm Watch 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this winter storm watch at Apr 9, 2007, 3:00 PM CDT for 7 counties in Minnesota; 5 counties in North Dakota. It took effect at Apr 10, 2007, 7:00 AM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 9, 2007, 3:00 PM CDT (20:00 UTC)
- In effect from
- Apr 10, 2007, 7:00 AM CDT
- Expired
- Apr 10, 2007, 4:57 AM CDT
- In force
- Issued by
- NWS Grand Forks, ND
Counties Becker County, MN, Clay County, MN, Grant County, MN, Hubbard County, MN, Otter Tail County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 124 km from the middle of the area, began a volume at 20:01 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 12:00Z, 8.0 hours before the alert went out and 239 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
- 1138 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 95 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 Grand Forks, ND wrote its last area forecast discussion before this winter storm watch went out at Apr 9, 9:44 AM CDT, 5 hours 16 minutes earlier.
Area forecast discussion, Apr 9, 9:44 AM CDT, 5 hours 16 minutes before
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</html>Hazardous weather outlook, Apr 9, 6:59 AM CDT, 8 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND FORKS ND 659 AM CDT MON APR 9 2007 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-101200- WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS- WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE- EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN- SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN- WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER- PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-NELSON- GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT- RICHLAND-WESTERN WALSH COUNTY- 659 AM CDT MON APR 9 2007 ...SNOW WILL MOVE INTO MAINLY THE SOUTHERN RED RIVER VALLEY LATE MONDAY NIGHT... ...SNOW WILL CONTINUE INTO TUESDAY AND WILL AFFECT MAINLY THE SOUTHERN RED RIVER VALLEY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TONIGHT SNOW WILL MOVE INTO THE SOUTHEAST NORTH DAKOTA LATE TONIGHT. SNOW AMOUNTS ARE EXPECTED TO BE AN INCH OR LESS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SNOW WILL FALL ACROSS MUCH OF THE RED RIVER VALLEY TUESDAY WITH THE MOST EXPECTED IN THE SOUTHERN RED RIVER VALLEY. FOUR TO SIX INCHES OF SNOW WILL BE POSSIBLE ROUGHLY SOUTH OF A LINE FROM ENDERLIN NORTH DAKOTA TO PARK RAPIDS MINNESOTA. AN UPPER LEVEL SYSTEM WILL MOVE ACROSS THE CENTRAL PLAINS TUESDAY AND SPREAD SNOW ACROSS SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. HOPPES
Nearby
Winter Storm Watches in Minnesota, 2007Winter Storm Watches in North Dakota, 2007Every winter storm watch in 2007
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.