Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 6, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Mar 31, 2021, 1:42 PM MDT for 36 counties in North Dakota. It took effect at Apr 1, 2021, 9:00 AM MDT. It was in force for 12 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 31, 2021, 1:42 PM MDT (19:42 UTC)
- In effect from
- Apr 1, 2021, 9:00 AM MDT
- Expired
- Apr 1, 2021, 9:00 PM MDT
- In force
- 12 hr
- Issued by
- NWS Bismarck, ND
All 36 counties
Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Dickey County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Stutsman County, ND, Ward County, ND, Wells County, ND, Williams County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 7.7 hours before the alert went out and 73 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
- 970 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
375 WWUS83 KBIS 311942 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 242 PM CDT Wed Mar 31 2021 ..RED FLAG WARNING IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... .Gusty southerly winds sustained up to 30 mph and gusts to 40 mph will combine with forecast minimum relative humidity values from 10 to 23 percent on Thursday. Combined with very dry fuels and mild temperatures, critical fire weather conditions are likely. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-010745- /O.UPG.KBIS.FW.A.0003.210401T1500Z-210402T0300Z/ /O.NEW.KBIS.FW.W.0006.210401T1500Z-210402T0300Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 242 PM CDT Wed Mar 31 2021 /142 PM MDT Wed Mar 31 2021/ ...RED FLAG WARNING IN EFFECT FROM 10 AM CDT /9 AM MDT/ TO 10 PM CDT /9 PM MDT/ THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND 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 10 AM CDT /9 AM MDT/ to 10 PM CDT /9 PM MDT/ Thursday. 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 10 percent. * AFFECTED AREA...All of Western and 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. && $$ ZH
6 follow-up statements
355 WWUS83 KBIS 312354 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 654 PM CDT Wed Mar 31 2021 ..RED FLAG WARNING FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA LATE THURSDAY MORNING THROUGH THURSDAY EVENING... .Strong southerly winds sustained around 20 to 30 mph with gusts to 40 mph will develop on Thursday, while relative humidity values fall into the 10 to 20 percent range during the afternoon. Combined with very dry fuels and mild temperatures, critical fire weather conditions are expected. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-011200- /O.CON.KBIS.FW.W.0006.210401T1500Z-210402T0300Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 654 PM CDT Wed Mar 31 2021 /554 PM MDT Wed Mar 31 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM CDT /9 AM MDT/ TO 10 PM CDT /9 PM MDT/ THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... * WINDS...South 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 10 percent. * AFFECTED AREA...All of western and central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Hollan
335 WWUS83 KBIS 010836 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 336 AM CDT Thu Apr 1 2021 ..RED FLAG WARNING IN EFFECT TODAY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... .Southerly winds sustained to around 20 mph, with peak gusts up to near 35 mph, will combine with relative humidity values from 10 to 20 percent today. Combined with very dry fuels and mild temperatures, critical fire weather conditions are expected. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-012045- /O.CON.KBIS.FW.W.0006.210401T1500Z-210402T0300Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 336 AM CDT Thu Apr 1 2021 /236 AM MDT Thu Apr 1 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM CDT /9 AM MDT/ THIS MORNING TO 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... * WINDS...Southerly to around 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * AFFECTED AREA...All of western and 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. && $$ Heinert
227 WWUS83 KBIS 011358 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 858 AM CDT Thu Apr 1 2021 ..RED FLAG WARNING IN EFFECT TODAY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... .Southerly winds sustained to around 20 mph, with peak gusts up to 35 mph, will combine with relative humidity values from 10 to 20 percent today. Combined with very dry fuels and mild temperatures, critical fire weather conditions are expected. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-020200- /O.CON.KBIS.FW.W.0006.210401T1500Z-210402T0300Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 858 AM CDT Thu Apr 1 2021 /758 AM MDT Thu Apr 1 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... * WINDS...Southerly up to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * AFFECTED AREA...All of western and central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ ZH
922 WWUS83 KBIS 011738 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 1238 PM CDT Thu Apr 1 2021 ..RED FLAG WARNING IN EFFECT TODAY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... .Southerly winds sustained to around 20 mph, with peak gusts up to 35 mph, will combine with relative humidity values from 10 to 20 percent today. Combined with very dry fuels and mild temperatures, critical fire weather conditions are expected. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-020300- /O.CON.KBIS.FW.W.0006.000000T0000Z-210402T0300Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 1238 PM CDT Thu Apr 1 2021 /1138 AM MDT Thu Apr 1 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... * WINDS...Southerly up to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * AFFECTED AREA...All of western and 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. && $$ ZH
867 WWUS83 KBIS 012257 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 557 PM CDT Thu Apr 1 2021 ..RED FLAG WARNING REMAINS IN EFFECT FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA THROUGH THIS EVENING... .South to southwest winds sustained around 20 to 25 mph with gusts up to 35 mph will gradually diminish this evening. Late afternoon relative humidity values around 10 to 15 percent will slowly improve later this evening. Combined with very dry fuels and mild temperatures, this will continue to result in critical fire weather conditions through the evening. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-020300- /O.CON.KBIS.FW.W.0006.000000T0000Z-210402T0300Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 557 PM CDT Thu Apr 1 2021 /457 PM MDT Thu Apr 1 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... * WINDS...South to southwest around 20 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 8 percent. * AFFECTED AREA...All of western and central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Hollan
420 WWUS83 KBIS 020251 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 951 PM CDT Thu Apr 1 2021 ...RED FLAG WARNING WILL EXPIRE AT 10 PM CDT... .Critical fire weather conditions have ended across western and central North Dakota. Southerly winds will continue to be sustained around 10 to 15 mph for much of the night. Relative humidity has risen above 20 percent at most locations, and will continue rising through the night. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-020400- /O.EXP.KBIS.FW.W.0006.000000T0000Z-210402T0300Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 951 PM CDT Thu Apr 1 2021 /851 PM MDT Thu Apr 1 2021/ ...RED FLAG WARNING WILL EXPIRE AT 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... Critical fire weather conditions have ended across western and central North Dakota. Southerly winds will continue to be sustained around 10 to 15 mph for much of the night. Relative humidity has risen above 20 percent at most locations, and will continue rising through the night. $$ Hollan
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 3:03 AM MDT | Fire Weather Watch | BIS | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 30 more | 11 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.