Alert archive / Minnesota / Winter Storm Watches in 2020
Winter Storm Watch 3, NWS Grand Forks, ND
NWS Grand Forks, ND issued this winter storm watch at Apr 1, 2020, 4:37 AM CDT for 18 counties in Minnesota; 17 counties in North Dakota. It took effect at Apr 2, 2020, 6:00 AM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 1, 2020, 4:37 AM CDT (09:37 UTC)
- In effect from
- Apr 2, 2020, 6:00 AM CDT
- Expired
- Apr 2, 2020, 4:04 AM CDT
- In force
- Issued by
- NWS Grand Forks, ND
All 35 counties
Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 32 km from the middle of the area, began a volume at 09:41 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.6 hours before the alert went out and 300 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
- 41 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 1431 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 178 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 1, 4:30 AM CDT, 7 minutes earlier.
Area forecast discussion, Apr 1, 4:30 AM CDT, 7 minutes before
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</html>Hazardous weather outlook, Mar 31, 3:18 PM CDT, 13 hours 19 minutes before
Hazardous Weather Outlook National Weather Service Grand Forks ND 318 PM CDT Tue Mar 31 2020 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-012030- 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-Eddy-Nelson-Grand Forks- Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-Richland- Western Walsh- 318 PM CDT Tue Mar 31 2020 This hazardous weather outlook is for portions of eastern North Dakota, west central and northwest Minnesota. .DAY ONE...This Afternoon and Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Wednesday through Monday The likelihood is high for an elongated and narrow area of snowfall on Thursday somewhere across the region. This band of snow will begin Thursday morning and continue into Thursday afternoon, with snowfall rates exceeding an inch per hour at times. At least 4 inches of snow is expected in a short period of time, with higher amounts possible. The entire region is within the threat area for this snowfall, although it will only affect a small part of the region. Significant travel impacts are possible where the snow occurs, which includes the morning and evening rush hour periods. The details with this event remain uncertain due to the complex nature of this system. Stay tuned to the latest forecasts as confidence will increase in the location and snowfall amounts. Lighter but more widespread snowfall is expected Thursday night into Friday, bringing additional winter travel concerns to the region. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 3:30 PM CDT | Winter Storm Warning | FGF | Becker, Clay, Grant, Kittson, Mahnomen, Marshall and 7 more | 42 hr |
Nearby
Winter Storm Watches in Minnesota, 2020Winter Storm Watches in North Dakota, 2020Every winter storm watch in 2020
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.