Alert archive / Minnesota / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this red flag warning at Apr 2, 2021, 11:06 AM CDT for 42 counties in Minnesota. It was in force for 9 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
- Apr 2, 2021, 11:06 AM CDT (16:06 UTC)
- Expired
- Apr 2, 2021, 8:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Twin Cities, MN
All 42 counties
Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Nicollet County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 50 km from the middle of the area, began a volume at 16:09 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
Minneapolis, MN (KMPX), launched 12:00Z, 4.1 hours before the alert went out and 47 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
- 2150 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 258 m²/s²
- 0-3 km storm-relative helicity
- 417 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
905 WWUS83 KMPX 021606 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 1106 AM CDT Fri Apr 2 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON AND EVENING ACROSS PORTIONS OF CENTRAL AND ALL OF SOUTHERN MINNESOTA... .Strong southerly winds sustained 20 to 25 mph with gusts up to 40 possible this afternoon. Mixing will cause humidities to fall between 15 and 25 percent across portions of central MN and all of southern MN. These weather conditions with current dry surface fuels will result in critical fire weather conditions today. MNZ041-047>049-051-054>070-073>078-082>085-091>093-030100- /O.NEW.KMPX.FW.W.0002.210402T1606Z-210403T0100Z/ Douglas-Stevens-Pope-Stearns-Sherburne-Lac Qui Parle-Swift- Chippewa-Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth- Waseca-Steele-Martin-Faribault-Freeborn- 1106 AM CDT Fri Apr 2 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR BREEZY WINDS AND LOW RELATIVE HUMIDITY LEVELS FOR PORTIONS OF CENTRAL AND ALL OF SOUTHERN MINNESOTA... The National Weather Service in Twin Cities/Chanhassen has issued a Red Flag Warning, which is in effect until 8 PM CDT this evening. * AFFECTED AREA... Along and south of a line from Alexandria to St. Cloud to the Twin Cities Metro area. * WIND... South sustained at 20 to 25 mph with gusts to 40 mph. * HUMIDITY... Minimum humidities 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$ BPH
2 follow-up statements
528 WWUS83 KMPX 021706 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 1206 PM CDT Fri Apr 2 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON AND EVENING ACROSS CENTRAL AND SOUTHERN MINNESOTA... .Strong southerly winds sustained 20 to 25 mph with gusts up to 40 possible this afternoon. Mixing will cause humidities to fall between 15 and 25 percent across portions of central MN and all of southern MN. These weather conditions with current dry surface fuels will result in critical fire weather conditions today. MNZ042>045-050-052-053-030100- /O.EXA.KMPX.FW.W.0002.000000T0000Z-210403T0100Z/ Todd-Morrison-Mille Lacs-Kanabec-Benton-Isanti-Chisago- 1206 PM CDT Fri Apr 2 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR BREEZY WINDS AND LOW RELATIVE HUMIDITY LEVELS FOR ALL OF CENTRAL AND SOUTHERN MINNESOTA... The National Weather Service in Twin Cities/Chanhassen has issued a Red Flag Warning, which is in effect until 8 PM CDT this evening. * AFFECTED AREA... Central and southern Minnesota. * WIND... South sustained at 20 to 25 mph with gusts to 40 mph. * HUMIDITY... Minimum humidities 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ MNZ041-047>049-051-054>070-073>078-082>085-091>093-030100- /O.CON.KMPX.FW.W.0002.000000T0000Z-210403T0100Z/ Douglas-Stevens-Pope-Stearns-Sherburne-Lac Qui Parle-Swift- Chippewa-Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth- Waseca-Steele-Martin-Faribault-Freeborn- 1206 PM CDT Fri Apr 2 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR BREEZY WINDS AND LOW RELATIVE HUMIDITY LEVELS FOR ALL OF CENTRAL AND SOUTHERN MINNESOTA... * AFFECTED AREA... Central and southern Minnesota. * WIND... South sustained at 20 to 25 mph with gusts to 40 mph. * HUMIDITY... Minimum humidities 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$
797 WWUS83 KMPX 030101 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 801 PM CDT Fri Apr 2 2021 ...RED FLAG WARNING CANCELLED... .Winds will continue decreasing and relative humidities will continue rising above critical thresholds. Therefore, the Red Flag Warning is cancelled. MNZ041>045-047>070-073>078-082>085-091>093-030215- /O.EXP.KMPX.FW.W.0002.000000T0000Z-210403T0100Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth- Waseca-Steele-Martin-Faribault-Freeborn- 801 PM CDT Fri Apr 2 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR BREEZY WINDS AND LOW RELATIVE HUMIDITY LEVELS FOR ALL OF CENTRAL AND SOUTHERN MINNESOTA... Winds will continue decreasing and relative humidities will continue rising above critical thresholds. Therefore, the Red Flag Warning is cancelled. $$
Nearby
Red 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.