Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 12, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Apr 22, 2021, 4:11 AM CDT for 13 counties in North Dakota. It took effect at Apr 22, 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
- Apr 22, 2021, 4:11 AM CDT (09:11 UTC)
- In effect from
- Apr 22, 2021, 12:00 PM CDT
- Expired
- Apr 22, 2021, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Bismarck, ND
Counties Bottineau County, ND, Dickey County, ND, Foster County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, Pierce County, ND, Rolette County, ND, Sheridan County, ND, Stutsman County, ND, Wells County, ND
The radar
The Bismarck radar (KBIS), 110 km from the middle of the area, began a volume at 09:09 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.2 hours before the alert went out and 106 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
- 2810 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
893 WWUS83 KBIS 220911 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 411 AM CDT Thu Apr 22 2021 ...RED FLAG WARNING FOR PORTIONS OF CENTRAL INTO EASTERN NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected this afternoon and early this evening east of the Highway 83 corridor. Southwest winds will reach sustained speeds of 15 to 25 mph with gusts as high as 35 mph. Minimum relative humidity values are expected to fall to around 15 percent in north central North Dakota to around 20 percent farther south. Combined with dry fuels, this will result in critical fire weather conditions. NDZ004-005-012-013-022-023-025-036-037-047-048-050-051-222115- /O.UPG.KBIS.FW.A.0007.210422T1700Z-210423T0100Z/ /O.NEW.KBIS.FW.W.0012.210422T1700Z-210423T0100Z/ Bottineau-Rolette-McHenry-Pierce-Sheridan-Wells-Foster-Kidder- Stutsman-Logan-La Moure-McIntosh-Dickey- 411 AM CDT Thu Apr 22 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL INTO EASTERN NORTH DAKOTA... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon today to 8 PM CDT this evening. The Fire Weather Watch is no longer in effect. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 14 percent. * AFFECTED AREA...Central into eastern North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
4 follow-up statements
233 WWUS83 KBIS 221209 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 709 AM CDT Thu Apr 22 2021 ...RED FLAG WARNING FOR PORTIONS OF CENTRAL INTO EASTERN NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected this afternoon and early this evening east of the Highway 83 corridor. Southwest winds will reach sustained speeds of 15 to 25 mph with gusts as high as 35 mph. Minimum relative humidity values are expected to fall to around 15 percent in north central North Dakota to around 20 percent farther south. Combined with dry fuels, this will result in critical fire weather conditions. NDZ004-005-012-013-022-023-025-036-037-047-048-050-051-230015- /O.CON.KBIS.FW.W.0012.210422T1700Z-210423T0100Z/ Bottineau-Rolette-McHenry-Pierce-Sheridan-Wells-Foster-Kidder- Stutsman-Logan-La Moure-McIntosh-Dickey- 709 AM CDT Thu Apr 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL INTO EASTERN NORTH DAKOTA... * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 14 percent. * AFFECTED AREA...Central into eastern North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
065 WWUS83 KBIS 221935 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND Issued by National Weather Service Grand Forks ND 235 PM CDT Thu Apr 22 2021 ...RED FLAG WARNING FOR PORTIONS OF CENTRAL INTO EASTERN NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected this afternoon and early this evening east of the Highway 83 corridor. Southwest winds will reach sustained speeds of 15 to 25 mph with gusts as high as 35 mph. Minimum relative humidity values are expected to fall to around 15 percent in north central North Dakota to around 20 percent farther south. Combined with dry fuels, this will result in critical fire weather conditions. NDZ004-005-012-013-022-023-025-036-037-047-048-050-051-230100- /O.CON.KBIS.FW.W.0012.000000T0000Z-210423T0100Z/ Bottineau-Rolette-McHenry-Pierce-Sheridan-Wells-Foster-Kidder- Stutsman-Logan-La Moure-McIntosh-Dickey- 235 PM CDT Thu Apr 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL INTO EASTERN NORTH DAKOTA... * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 14 percent. * AFFECTED AREA...Central into eastern North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Knutsvig
617 WWUS83 KBIS 222234 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 534 PM CDT Thu Apr 22 2021 ..RED FLAG WARNING FOR MUCH OF CENTRAL NORTH DAKOTA INCLUDING THE JAMES RIVER VALLEY THROUGH EARLY THIS EVENING... .Critical fire weather conditions will continue into early this evening east of the Highway 83 corridor. Southwest winds gusting to 35 mph will continue as relative humidity values drop as low as 13 percent. Combined with dry fuels, this will continue to result in critical fire weather conditions. NDZ004-005-012-013-022-023-025-036-037-047-048-050-051-230100- /O.CON.KBIS.FW.W.0012.000000T0000Z-210423T0100Z/ Bottineau-Rolette-McHenry-Pierce-Sheridan-Wells-Foster-Kidder- Stutsman-Logan-La Moure-McIntosh-Dickey- 534 PM CDT Thu Apr 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF CENTRAL NORTH DAKOTA INCLUDING THE JAMES RIVER VALLEY... * WINDS...Southwest around 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 13 percent. * AFFECTED AREA...Much of central North Dakota including the James River Valley. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
001 WWUS83 KBIS 230104 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 804 PM CDT Thu Apr 22 2021 ...RED FLAG WARNING HAS EXPIRED... .Humidity values will continue to rise through the remainder of the evening, though gusty winds may continue. In addition, a wind shift to the north-northwest is expected tonight as a cold front pushes through the area. NDZ004-005-012-013-022-023-025-036-037-047-048-050-051-230215- /O.EXP.KBIS.FW.W.0012.000000T0000Z-210423T0100Z/ Bottineau-Rolette-McHenry-Pierce-Sheridan-Wells-Foster-Kidder- Stutsman-Logan-La Moure-McIntosh-Dickey- 804 PM CDT Thu Apr 22 2021 ...RED FLAG WARNING HAS EXPIRED... Humidity values will continue to rise through the remainder of the evening, though gusty winds may continue. In addition, a wind shift to the north-northwest is expected tonight as a cold front pushes through the area. $$
Nearby
Red Flag Warnings in North Dakota, 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.