Alert archive / Minnesota / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Grand Forks, ND
NWS Grand Forks, ND issued this red flag warning at Mar 28, 2021, 3:13 PM CDT for 17 counties in North Dakota; 18 counties in Minnesota. It took effect at Mar 29, 2021, 12:00 PM CDT. It was in force for 11 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 28, 2021, 3:13 PM CDT (20:13 UTC)
- In effect from
- Mar 29, 2021, 12:00 PM CDT
- Expired
- Mar 29, 2021, 10:47 PM CDT
- In force
- 11 hr
- 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 20:16 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 3:11 PM CDT | NON-TSTM WND GST 58 | Cooperstown, ND | |
| Mar 29, 7:19 PM CDT | NON-TSTM WND GST 60 | Cooperstown, ND | S32 COOPERSTORWN APT REPORTED A 52 KNOT GUST AT 719 PM |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 8.2 hours before the alert went out and 290 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
- 1148 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
316 WWUS83 KFGF 282013 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 313 PM CDT Sun Mar 28 2021 NDZ006>008-014>016-024-026>030-038-039-049-052>054-300600- /O.UPG.KFGF.FW.A.0001.210329T1800Z-210330T0000Z/ /O.NEW.KFGF.FW.W.0001.210329T1700Z-210330T0600Z/ Towner-Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson- Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent- Richland-Western Walsh- 313 PM CDT Sun Mar 28 2021 ...RED FLAG WARNING IN EFFECT FROM NOON MONDAY TO 1 AM CDT TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN NORTH DAKOTA... The National Weather Service in Grand Forks has issued a Red Flag Warning, which is in effect from noon Monday to 1 AM CDT Tuesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In North Dakota...Fire Weather Zones 006... 007...008...014...015...016...024...026...027...028...029... 030... 038...039...049...052...053 and 054. * TIMING...Monday afternoon through early evening. * WINDS...West 25 to 40 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 19 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control and suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ MNZ001>009-013>017-022>024-027>032-040-300600- /O.NEW.KFGF.FW.W.0001.210329T1700Z-210330T0600Z/ West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods- West Marshall-East Marshall-North Beltrami-Pennington-Red Lake- East Polk-North Clearwater-South Beltrami-Mahnomen- South Clearwater-Hubbard-West Becker-East Becker-Wilkin- West Otter Tail-East Otter Tail-Wadena-Grant- 313 PM CDT Sun Mar 28 2021 ...RED FLAG WARNING IN EFFECT FROM NOON MONDAY TO 1 AM CDT TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE NORTHWEST QUARTER OF MINNESOTA... The National Weather Service in Grand Forks has issued a Red Flag Warning, which is in effect from noon Monday to 1 AM CDT Tuesday. * AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 003...004...005...006...007...008...009...013...014...015... 016... 017...022...023...024...027...028...029...030...031... 032 and 040. * TIMING...Monday afternoon through early evening. * WINDS...Southwest 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 20 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control and suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
3 follow-up statements
434 WWUS83 KFGF 290858 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 358 AM CDT Mon Mar 29 2021 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-300600- /O.CON.KFGF.FW.W.0001.210329T1700Z-210330T0600Z/ 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- 358 AM CDT Mon Mar 29 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 1 AM CDT TUESDAY FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR ALL OF EASTERN NORTH DAKOTA AND ALL OF NORTHWEST AND WEST CENTRAL MINNESOTA... * AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 003...004...005...006...007...008...009...013...014...015... 016... 017...022...023...024...027...028...029...030...031... 032 and 040. In North Dakota...Fire Weather Zones 006...007... 008...014... 015...016...024...026...027...028...029...030... 038...039...049... 052...053 and 054. * TIMING...Monday afternoon through early evening. * WINDS...South wind 25 to 40 mph becoming west at 30 to 40 mph with gusts 50 to 60 mph this afternoon into the evening. * RELATIVE HUMIDITY...As low as 15 to 20 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control and suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ dtr
127 WWUS83 KFGF 291936 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 236 PM CDT Mon Mar 29 2021 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-300600- /O.CON.KFGF.FW.W.0001.000000T0000Z-210330T0600Z/ West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods- West Marshall-East Marshall-North Beltrami-Pennington-Red Lake- East Polk-North Clearwater-South Beltrami-Mahnomen- South Clearwater-Hubbard-West Becker-East Becker-Wilkin- West Otter Tail-East Otter Tail-Wadena-Grant-Towner-Cavalier- Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson-Grand Forks- Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-Richland- Western Walsh- 236 PM CDT Mon Mar 29 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY FOR STRONG WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR ALL OF EASTERN NORTH DAKOTA AND ALL THE NORTHWEST QUARTER OF MINNESOTA... * AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 003...004...005...006...007...008...009...013...014...015... 016... 017...022...023...024...027...028...029...030...031... 032 and 040. In North Dakota...Fire Weather Zones 006...007... 008...014... 015...016...024...026...027...028...029...030... 038...039...049... 052...053 and 054. * TIMING...This afternoon into early evening. * WINDS...Becoming west at 30 to 40 mph with gusts 45 to 60 mph late this afternoon into the evening. * RELATIVE HUMIDITY...As low as 15 to 20 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control and suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
093 WWUS83 KFGF 300347 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 1047 PM CDT Mon Mar 29 2021 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-300500- /O.CAN.KFGF.FW.W.0001.000000T0000Z-210330T0600Z/ 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- 1047 PM CDT Mon Mar 29 2021 ...RED FLAG WARNING IS CANCELLED FOR EASTERN ND, NORTHWEST AND WEST CENTRAL MINNESOTA... The National Weather Service in Grand Forks has cancelled the Red Flag Warning. Colder temperatures are arriving and RH values have increased well above criteria. Strong winds will continue thorugh the night, but critical fire weather conditions are no longer anticipated. $$
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 3:16 PM CDT | Wind Advisory | FGF | Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more | 55 hr |
Nearby
Red Flag Warnings in Minnesota, 2021Red Flag Warnings in North Dakota, 2021Every red flag warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.