Alert archive / Minnesota / Red Flag Warnings in 2021
Red Flag Warning 4, NWS Twin Cities, MN
NWS Twin Cities, MN issued this red flag warning at May 6, 2021, 3:13 AM CDT for 20 counties in Minnesota. It took effect at May 6, 2021, 12:00 PM CDT. It was in force for 8 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 6, 2021, 3:13 AM CDT (08:13 UTC)
- In effect from
- May 6, 2021, 12:00 PM CDT
- Expired
- May 6, 2021, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Twin Cities, MN
Counties Benton County, MN, Chippewa County, MN, Douglas County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pope County, MN, Renville County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Wright County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 111 km from the middle of the area, began a volume at 08:17 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 00:00Z, 8.2 hours before the alert went out and 109 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
- 572 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
951 WWUS83 KMPX 060813 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 313 AM CDT Thu May 6 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON AND EVENING ACROSS MUCH OF CENTRAL MINNESOTA DUE TO VERY LOW HUMIDITY AND GUSTY WINDS... .Temperatures will rise into the low to mid 60s this afternoon and RH is expected to drop to between 15 and 20 percent. Northwest winds will increase during the late morning with frequent gusts of 25 to 30 mph through early evening, resulting in critical fire weather conditions. MNZ041>045-047>052-054>059-064>066-061700- /O.UPG.KMPX.FW.A.0001.210506T1700Z-210507T0100Z/ /O.NEW.KMPX.FW.W.0004.210506T1700Z-210507T0100Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Sherburne-Isanti-Lac Qui Parle-Swift-Chippewa-Kandiyohi- Meeker-Wright-Yellow Medicine-Renville-McLeod- 313 AM CDT Thu May 6 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING FOR FOR GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY FOR MUCH OF CENTRAL MINNESOTA... The National Weather Service in Twin Cities/Chanhassen has issued a Red Flag Warning, which is in effect from noon today to 8 PM CDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Much of central Minnesota. * WIND...Northwest 15 to 20 mph with gusts around 30 mph. * HUMIDITY...As low as 15 to 20 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. && $$
1 follow-up statement
873 WWUS83 KMPX 062008 RFWMPX URGENT - FIRE WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN Issued by National Weather Service Duluth MN 308 PM CDT Thu May 6 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED THIS AFTERNOON AND EVENING ACROSS MUCH OF CENTRAL MINNESOTA DUE TO VERY LOW HUMIDITY AND GUSTY WINDS... .Temperatures will rise into the low to mid 60s this afternoon and RH is expected to drop to between 15 and 20 percent. Northwest winds will frequently gust to 25 to 30 mph through early evening, resulting in critical fire weather conditions. MNZ041>045-047>052-054>059-064>066-070100- /O.CON.KMPX.FW.W.0004.000000T0000Z-210507T0100Z/ Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Sherburne-Isanti-Lac Qui Parle-Swift-Chippewa-Kandiyohi- Meeker-Wright-Yellow Medicine-Renville-McLeod- 308 PM CDT Thu May 6 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR FOR GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY FOR MUCH OF CENTRAL MINNESOTA... * AFFECTED AREA...Much of central Minnesota. * WIND...Northwest 15 to 20 mph with gusts around 30 mph. * HUMIDITY...As low as 15 to 20 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ BJH
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 3:21 PM CDT | Frost Advisory | MPX | Anoka, Benton, Brown, Chippewa, Chisago, Douglas and 21 more | 17 hr |
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.