Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 32, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Oct 5, 2021, 1:07 PM MDT for 21 counties in North Dakota. It took effect at Oct 6, 2021, 11:00 AM MDT. 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
- Oct 5, 2021, 1:07 PM MDT (19:07 UTC)
- In effect from
- Oct 6, 2021, 11:00 AM MDT
- Expired
- Oct 6, 2021, 7:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Bismarck, ND
All 21 counties
Adams County, ND, Billings County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Williams County, ND
The radar
The Bismarck radar (KBIS), 141 km from the middle of the area, began a volume at 19:06 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 12:00Z, 7.1 hours before the alert went out and 145 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
- 2833 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
011 WWUS83 KBIS 051907 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 207 PM CDT Tue Oct 5 2021 ...RED FLAG WARNING THIS AFTERNOON AND EARLY EVENING FOR NORTHWEST NORTH DAKOTA. RED FLAG WARNING FOR ALL OF WESTERN AND MUCH OF CENTRAL NORTH DAKOTA WEDNESDAY AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected in northwest North Dakota through early this evening, where relative humidity will drop to around 10 percent and southwest winds will approach 20 mph. A greater expanse of critical fire weather conditions is expected on Wednesday, affecting all of western and much of central North Dakota. Southerly winds are forecast to reach sustained speeds of 20 to 30 mph Wednesday afternoon with humidity falling into the 15 to 25 percent range. NDZ001-002-009-010-017-060715- /O.UPG.KBIS.FW.A.0019.211006T1700Z-211007T0100Z/ /O.NEW.KBIS.FW.W.0032.211006T1700Z-211007T0100Z/ /O.CON.KBIS.FW.W.0031.000000T0000Z-211006T0000Z/ Divide-Burke-Williams-Mountrail-McKenzie- 207 PM CDT Tue Oct 5 2021 /107 PM MDT Tue Oct 5 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHWEST NORTH DAKOTA... ...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 8 PM CDT /7 PM MDT/ WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND MUCH OF CENTRAL 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 CDT /11 AM MDT/ to 8 PM CDT /7 PM MDT/ Wednesday. The Fire Weather Watch is no longer in effect. * WINDS...For today, southwest 15 to 20 mph with gusts up to 30 mph. For Wednesday, south 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...For today, as low as 10 percent. For Wednesday, as low as 15 percent. * AFFECTED AREA...Divide, Burke, Williams, Mountrail, and McKenzie Counties. * 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. && $$ NDZ003-011-018>021-031>034-040>045-060715- /O.UPG.KBIS.FW.A.0019.211006T1700Z-211007T0100Z/ /O.NEW.KBIS.FW.W.0032.211006T1700Z-211007T0100Z/ Renville-Ward-Dunn-Mercer-Oliver-McLean-Golden Valley-Billings- Stark-Morton-Slope-Hettinger-Grant-Bowman-Adams-Sioux- 207 PM CDT Tue Oct 5 2021 /107 PM MDT Tue Oct 5 2021/ ...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TO 8 PM CDT /7 PM MDT/ WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon CDT /11 AM MDT/ to 8 PM CDT /7 PM MDT/ Wednesday. The Fire Weather Watch is no longer in effect. * WINDS...South 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 17 percent. * AFFECTED AREA...Western and much of central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
4 follow-up statements
428 WWUS83 KBIS 060005 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 705 PM CDT Tue Oct 5 2021 ...RED FLAG WARNING FOR ALL OF WESTERN AND MUCH OF CENTRAL NORTH DAKOTA WEDNESDAY AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected on Wednesday over western and much of central North Dakota. Southerly winds will increase to around 25 mph gusting to 40 mph, with humidity values falling as low as 15 percent. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ001-002-009-010-017-061215- /O.EXP.KBIS.FW.W.0031.000000T0000Z-211006T0000Z/ /O.CON.KBIS.FW.W.0032.211006T1700Z-211007T0100Z/ Divide-Burke-Williams-Mountrail-McKenzie- 705 PM CDT Tue Oct 5 2021 /605 PM MDT Tue Oct 5 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TO 8 PM CDT /7 PM MDT/ WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHWEST NORTH DAKOTA... * WINDS...South around 25 mph with gusts to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Divide, Burke, Williams, Mountrail, and McKenzie Counties. * 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. && $$ NDZ003-011-018>021-031>034-040>045-061215- /O.CON.KBIS.FW.W.0032.211006T1700Z-211007T0100Z/ Renville-Ward-Dunn-Mercer-Oliver-McLean-Golden Valley-Billings- Stark-Morton-Slope-Hettinger-Grant-Bowman-Adams-Sioux- 705 PM CDT Tue Oct 5 2021 /605 PM MDT Tue Oct 5 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TO 8 PM CDT /7 PM MDT/ WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA... * WINDS...South around 25 mph with gusts to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Western and much of central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
494 WWUS83 KBIS 060909 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 409 AM CDT Wed Oct 6 2021 ...RED FLAG WARNING FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected across western and much of central North Dakota this afternoon and early evening. Southerly winds will increase to around 25 mph, gusting to 40 mph, with humidity values falling as low as 15 percent. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ001>003-009>011-017>021-031>034-040>045-062115- /O.CON.KBIS.FW.W.0032.211006T1700Z-211007T0100Z/ Divide-Burke-Renville-Williams-Mountrail-Ward-McKenzie-Dunn- Mercer-Oliver-McLean-Golden Valley-Billings-Stark-Morton-Slope- Hettinger-Grant-Bowman-Adams-Sioux- 409 AM CDT Wed Oct 6 2021 /309 AM MDT Wed Oct 6 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA... * WINDS...South around 25 mph with gusts to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Western and much of central 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. && $$ Hollan
718 WWUS83 KBIS 061951 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 251 PM CDT Wed Oct 6 2021 ...RED FLAG WARNING FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected across western and much of central North Dakota through the remainder of this afternoon and early evening. Southerly winds of 20 to 30 mph with gusts up to 45 mph are ongoing with humidity levels as low as 15 percent. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ001>003-009>011-017>021-031>034-040>045-070100- /O.CON.KBIS.FW.W.0032.000000T0000Z-211007T0100Z/ Divide-Burke-Renville-Williams-Mountrail-Ward-McKenzie-Dunn- Mercer-Oliver-McLean-Golden Valley-Billings-Stark-Morton-Slope- Hettinger-Grant-Bowman-Adams-Sioux- 251 PM CDT Wed Oct 6 2021 /151 PM MDT Wed Oct 6 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR WESTERN AND MUCH OF CENTRAL NORTH DAKOTA... * WINDS...South 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Western and much of central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Telken
399 WWUS83 KBIS 070058 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 758 PM CDT Wed Oct 6 2021 .The Red Flag warning for western and much of central North Dakota will be allowed to expire. NDZ001>003-009>011-017>021-031>034-040>045-070200- /O.EXP.KBIS.FW.W.0032.000000T0000Z-211007T0100Z/ Divide-Burke-Renville-Williams-Mountrail-Ward-McKenzie-Dunn- Mercer-Oliver-McLean-Golden Valley-Billings-Stark-Morton-Slope- Hettinger-Grant-Bowman-Adams-Sioux- 758 PM CDT Wed Oct 6 2021 /658 PM MDT Wed Oct 6 2021/ ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT /7 PM MDT/ THIS EVENING... Winds will continue to decrease and humidity will continue to increase this evening. Therefore, the Red Flag Warning will be allowed to expire. $$
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 2:50 AM MDT | Fire Weather Watch | BIS | Adams, Billings, Bowman, Burke, Divide, Dunn and 15 more | 10 hr |
| Oct 5, 2:50 AM MDT | Red Flag Warning | BIS | Burke, Divide, McKenzie, Mountrail, Williams | 15 hr |
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.