Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Grand Forks, ND
NWS Grand Forks, ND issued this red flag warning at Mar 31, 2021, 2:32 PM CDT for 17 counties in North Dakota; 13 counties in Minnesota. It took effect at Apr 1, 2021, 10:00 AM CDT. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2021, 2:32 PM CDT (19:32 UTC)
- In effect from
- Apr 1, 2021, 10:00 AM CDT
- Expired
- Apr 1, 2021, 10:00 PM CDT
- In force
- 12 hr
- Issued by
- NWS Grand Forks, ND
All 30 counties
Becker County, MN, Clay County, MN, Clearwater County, MN, Kittson 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, 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), 13 km from the middle of the area, began a volume at 19:36 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 12:00Z, 7.5 hours before the alert went out and 281 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
- 970 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
958 WWUS83 KFGF 311932 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 232 PM CDT Wed Mar 31 2021 NDZ006>008-014>016-024-026>030-038-039-049-052>054-020300- /O.UPG.KFGF.FW.A.0002.210401T1500Z-210402T0300Z/ /O.NEW.KFGF.FW.W.0002.210401T1500Z-210402T0300Z/ Towner-Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson- Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent- Richland-Western Walsh- 232 PM CDT Wed Mar 31 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM CDT THURSDAY FOR LOW RELATIVE HUMIDITY AND STRONG WINDS FOR ALL OF EASTERN NORTH DAKOTA... The National Weather Service in Grand Forks has issued a Red Flag Warning for low relative humidity and strong winds, which is in effect from 10 AM to 10 PM CDT Thursday. 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...Thursday late morning thru evening. * WINDS...South 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...In the mid 50s. * 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. && $$ MNZ001>005-007-008-013>016-022-023-027>030-020300- /O.NEW.KFGF.FW.W.0002.210401T1800Z-210402T0300Z/ West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall- Pennington-Red Lake-East Polk-North Clearwater-Mahnomen- South Clearwater-West Becker-East Becker-Wilkin-West Otter Tail- 232 PM CDT Wed Mar 31 2021 ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 10 PM CDT THURSDAY FOR LOW RELATIVE HUMIDITY AND STRONG WINDS FOR MUCH OF NORTHWEST MINNESOTA... The National Weather Service in Grand Forks has issued a Red Flag Warning for low relative humidity and strong winds, which is in effect from 1 PM to 10 PM CDT Thursday. * AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 003...004...005...007...008...013...014...015...016...022... 023... 027...028...029 and 030. * TIMING...Thursday early afternoon thru evening. * WINDS...South 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...In the mid 40s to low 50s. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control and suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ WJB
3 follow-up statements
731 WWUS83 KFGF 010826 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 326 AM CDT Thu Apr 1 2021 NDZ006>008-014>016-024-026>030-038-039-049-052>054-020300- /O.CON.KFGF.FW.W.0002.210401T1500Z-210402T0300Z/ Towner-Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson- Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent- Richland-Western Walsh- 326 AM CDT Thu Apr 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM CDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND STRONG WINDS FOR ALL OF EASTERN NORTH DAKOTA... * 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...Thursday late morning thru evening. * WINDS...South 20 to 30 mph with gusts 35 to 40. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...In the mid 50s to around 60. * 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. && $$ MNZ001>005-007-008-013>016-022-023-027>030-020300- /O.CON.KFGF.FW.W.0002.210401T1800Z-210402T0300Z/ West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall- Pennington-Red Lake-East Polk-North Clearwater-Mahnomen- South Clearwater-West Becker-East Becker-Wilkin-West Otter Tail- 326 AM CDT Thu Apr 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND STRONG WINDS FOR MUCH OF NORTHWESTERN MINNESOTA... * AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 003...004...005...007...008...013...014...015...016...022... 023... 027...028...029 and 030. * TIMING...Thursday early afternoon thru evening. * WINDS...South 15 to 30 mph with gusts 35 to 40 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...In the mid 40s to low 50s. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control and suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ dtr
028 WWUS83 KFGF 012105 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 405 PM CDT Thu Apr 1 2021 MNZ001>005-007-008-013>016-022-023-027>030-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-020300- /O.CON.KFGF.FW.W.0002.000000T0000Z-210402T0300Z/ West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall- Pennington-Red Lake-East Polk-North Clearwater-Mahnomen- South Clearwater-West Becker-East Becker-Wilkin-West Otter Tail- Towner-Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson- Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent- Richland-Western Walsh- 405 PM CDT Thu Apr 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND STRONG WINDS FOR MUCH OF NORTHWESTERN MINNESOTA... * AFFECTED AREA...In Minnesota...Fire Weather Zones 001...002... 003...004...005...007...008...013...014...015...016...022... 023... 027...028...029 and 030. 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...Thursday early afternoon thru evening. * WINDS...South 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 19 percent. * TEMPERATURES...In the upper 40s. * 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. && $$
090 WWUS83 KFGF 020258 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 958 PM CDT Thu Apr 1 2021 MNZ001>005-007-008-013>016-022-023-027>030-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-020400- /O.EXP.KFGF.FW.W.0002.000000T0000Z-210402T0300Z/ West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall- Pennington-Red Lake-East Polk-North Clearwater-Mahnomen- South Clearwater-West Becker-East Becker-Wilkin-West Otter Tail- Towner-Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson- Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent- Richland-Western Walsh- 958 PM CDT Thu Apr 1 2021 ...RED FLAG WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING FOR EASTERN ND AND PARTS OF NORTHWEST AND WEST CENTRAL MN... Temperatures are slowly cooling and RH values are increasing, so the Red Flag Warning will be allowed to expired. $$
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 3:20 AM CDT | Fire Weather Watch | FGF | Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more | 11 hr |
Nearby
Red Flag Warnings in North Dakota, 2021Red Flag Warnings in Minnesota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.