Alert archive / Minnesota / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Duluth, MN
NWS Duluth, MN issued this red flag warning at Mar 28, 2021, 2:48 PM CDT for 4 counties in Minnesota. It took effect at Mar 29, 2021, 12:00 PM CDT. It was in force for 10 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 28, 2021, 2:48 PM CDT (19:48 UTC)
- In effect from
- Mar 29, 2021, 12:00 PM CDT
- Expired
- Mar 29, 2021, 9:43 PM CDT
- In force
- 10 hr
- Issued by
- NWS Duluth, MN
Counties Cass County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN
The radar
The Duluth radar (KDLH), 142 km from the middle of the area, began a volume at 19:53 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
International Fa, MN (KINL), launched 12:00Z, 7.8 hours before the alert went out and 150 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.
748 WWUS83 KDLH 281948 RFWDLH URGENT - FIRE WEATHER MESSAGE National Weather Service Duluth MN 248 PM CDT Sun Mar 28 2021 ...RED FLAG WARNING ISSUED FOR NORTH CENTRAL MINNESOTA... .The combination of low relative humidities, warm temperatures, and high wind gusts will produce weather conditions conducive for rapid fire spread on Monday. MNZ010-018-025-026-033-034-290400- /O.NEW.KDLH.FW.W.0002.210329T1700Z-210330T0300Z/ Koochiching-North Itasca-North Cass-South Itasca-South Cass- Crow Wing- 248 PM CDT Sun Mar 28 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM CDT MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTH CENTRAL MINNESOTA... The National Weather Service in Duluth has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 10 PM CDT Monday. * AFFECTED AREA...In Minnesota, Koochiching, North Itasca, North Cass, South Itasca, South Cass and Crow Wing. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 24 percent. * IMPACTS...Rapid fire growth is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected to develop. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
3 follow-up statements
256 WWUS83 KDLH 290938 RFWDLH URGENT - FIRE WEATHER MESSAGE National Weather Service Duluth MN 438 AM CDT Mon Mar 29 2021 ...RED FLAG WARNING IN EFFECT FOR NORTH CENTRAL MINNESOTA... .The combination of low relative humidities, warm temperatures, and high wind gusts will produce weather conditions conducive for rapid fire spread today. MNZ010-018-025-026-033-034-292130- /O.CON.KDLH.FW.W.0002.210329T1700Z-210330T0300Z/ Koochiching-North Itasca-North Cass-South Itasca-South Cass- Crow Wing- 438 AM CDT Mon Mar 29 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTH CENTRAL MINNESOTA... * AFFECTED AREA...In Minnesota, Koochiching, Itasca, Cass, Itasca, and Crow Wing. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 23 percent. * IMPACTS...Rapid fire growth is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected to develop. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
933 WWUS83 KDLH 291930 RFWDLH URGENT - FIRE WEATHER MESSAGE National Weather Service Duluth MN 230 PM CDT Mon Mar 29 2021 ...RED FLAG WARNING IN EFFECT FOR NORTH CENTRAL MINNESOTA... .The combination of low relative humidities, warm temperatures, and high wind gusts will produce weather conditions conducive for rapid fire spread today. MNZ010-018-025-026-033-034-300300- /O.CON.KDLH.FW.W.0002.000000T0000Z-210330T0300Z/ Koochiching-North Itasca-North Cass-South Itasca-South Cass- Crow Wing- 230 PM CDT Mon Mar 29 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTH CENTRAL MINNESOTA... * AFFECTED AREA...In Minnesota, Koochiching, North Itasca, North Cass, South Itasca, South Cass and Crow Wing. * WINDS...South to southeast winds this afternoon at 15 to 25 mph with gusts up to 35 mph. Winds will turn southwest this evening. * RELATIVE HUMIDITY...As low as 29 percent. * IMPACTS...Rapid fire growth is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected to develop. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ PA
228 WWUS83 KDLH 300243 RFWDLH URGENT - FIRE WEATHER MESSAGE National Weather Service Duluth MN 943 PM CDT Mon Mar 29 2021 ...RED FLAG WARNING CANCELLED... .Relative humidities have risen above critical thresholds. Therefore, the Red Flag Warning is cancelled. MNZ010-018-025-026-033-034-300345- /O.CAN.KDLH.FW.W.0002.000000T0000Z-210330T0300Z/ Koochiching-North Itasca-North Cass-South Itasca-South Cass- Crow Wing- 943 PM CDT Mon Mar 29 2021 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTH CENTRAL MINNESOTA... The National Weather Service in Duluth has cancelled the Red Flag Warning. Relative humidities have risen above critical thresholds. Therefore, the Red Flag Warning is cancelled. $$
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.