Alert archive / Minnesota / Red Flag Warnings in 2021
Red Flag Warning 3, NWS Twin Cities, MN
NWS Twin Cities, MN issued this red flag warning at May 1, 2021, 9:27 AM CDT for 17 counties in Minnesota. It took effect at May 1, 2021, 12:00 PM CDT. 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
- May 1, 2021, 9:27 AM CDT (14:27 UTC)
- In effect from
- May 1, 2021, 12:00 PM CDT
- Expired
- May 1, 2021, 9:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Twin Cities, MN
Counties Benton County, MN, Chippewa County, MN, Douglas County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 126 km from the middle of the area, began a volume at 14:31 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, 2.5 hours before the alert went out and 124 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
- 2256 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 612 m²/s²
- 0-3 km storm-relative helicity
- 583 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
494 WWUS83 KMPX 011427 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 927 AM CDT Sat May 1 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON AND EVENING ACROSS WESTERN AND CENTRAL MINNESOTA... .Temperatures will rise to near 90 this afternoon and RH is expected to drop to between 15 and 25 percent. Northwest winds will increase this afternoon with occasional gusts of 25 to 30 mph, resulting in a high likelihood of critical fire weather conditions. MNZ041>045-047>050-054>058-064-065-073-012230- /O.NEW.KMPX.FW.W.0003.210501T1700Z-210502T0200Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker- Yellow Medicine-Renville-Redwood- 927 AM CDT Sat May 1 2021 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR BREEZY WINDS AND VERY LOW RELATIVE HUMIDITY LEVELS FOR WESTERN AND PORTIONS OF CENTRAL MINNESOTA...... The National Weather Service in Twin Cities/Chanhassen has issued a Red Flag Warning, which is in effect until 9 PM CDT this evening. * AFFECTED AREA...Western and central Minnesota. * WIND...Northwest 10 to 15 mpx with gusts of 25 to 30 mph. * HUMIDITY...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. && $$ Borghoff
3 follow-up statements
471 WWUS83 KMPX 011440 CCA RFWMPX URGENT - FIRE WEATHER MESSAGE...CORRECTED National Weather Service Twin Cities/Chanhassen MN 940 AM CDT Sat May 1 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON AND EVENING ACROSS WESTERN AND CENTRAL MINNESOTA... .Temperatures will rise to near 90 this afternoon and RH is expected to drop to between 15 and 25 percent. Northwest winds will increase this afternoon with occasional gusts of 25 to 30 mph, resulting in a high likelihood of critical fire weather conditions. MNZ041>045-047>050-054>058-064-065-073-012230- /O.COR.KMPX.FW.W.0003.210501T1700Z-210502T0200Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker- Yellow Medicine-Renville-Redwood- 940 AM CDT Sat May 1 2021 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR BREEZY WINDS AND VERY LOW RELATIVE HUMIDITY LEVELS FOR WESTERN AND PORTIONS OF CENTRAL MINNESOTA...... The National Weather Service in Twin Cities/Chanhassen has issued a Red Flag Warning, which is in effect until 9 PM CDT this evening. * AFFECTED AREA...Western and central Minnesota. * WIND...Northwest 10 to 15 mph with gusts of 25 to 30 mph. * HUMIDITY...15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Borghoff
232 WWUS83 KMPX 011710 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 1210 PM CDT Sat May 1 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THROUGH EARLY EVENING ACROSS WESTERN AND CENTRAL MINNESOTA DUE TO EXTREMELY LOW HUMIDITY... .Temperatures will rise into the upper 80s to mid 90s this afternoon and RH is expected to drop to between 8 and 16 percent. Northwest winds will increase this afternoon with occasional gusts of 25 to 30 mph, resulting in a high likelihood of critical fire weather conditions. MNZ041>045-047>050-054>058-064-065-073-020115- /O.CON.KMPX.FW.W.0003.000000T0000Z-210502T0200Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker- Yellow Medicine-Renville-Redwood- 1210 PM CDT Sat May 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR BREEZY WINDS AND EXTREMELY LOW RELATIVE HUMIDITY LEVELS FOR WESTERN AND PORTIONS OF CENTRAL MINNESOTA... * AFFECTED AREA...Western and central Minnesota. * WIND...Northwest 10 to 15 mph with gusts of 25 to 30 mph. * HUMIDITY...8 to 16 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. && $$ Borghoff
459 WWUS83 KMPX 020156 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 856 PM CDT Sat May 1 2021 MNZ041>045-047>050-054>058-064-065-073-020300- /O.EXP.KMPX.FW.W.0003.000000T0000Z-210502T0200Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker- Yellow Medicine-Renville-Redwood- 856 PM CDT Sat May 1 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM CDT THIS EVENING FOR BREEZY WINDS AND EXTREMELY LOW RELATIVE HUMIDITY FOR WESTERN AND PORTIONS OF CENTRAL MINNESOTA... $$ Borghoff
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.