Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 8, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Apr 3, 2021, 2:08 AM MDT for 36 counties in North Dakota. It took effect at Apr 3, 2021, 10:00 AM MDT. 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
- Apr 3, 2021, 2:08 AM MDT (08:08 UTC)
- In effect from
- Apr 3, 2021, 10:00 AM MDT
- Expired
- Apr 3, 2021, 8:00 PM MDT
- In force
- 10 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 00:00Z, 8.1 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
- 3647 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
057 WWUS83 KBIS 030808 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 308 AM CDT Sat Apr 3 2021 ...RED FLAG WARNING FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA FROM LATE THIS MORNING THROUGH EARLY THIS EVENING... .Across central North Dakota, southerly winds sustained to 25 mph will become west to northwesterly later in the afternoon. Across western North Dakota, westerly winds will become northwest by the afternoon, sustained to 20 mph. Wind gusts to 35 mph will be possible all locations, along with minimum relative humidity values ranging from 10 to 15 percent. Combined with very dry fuels, critical fire weather conditions are expected. NDZ022-023-025-034>037-042-045>048-050-051-032015- /O.UPG.KBIS.FW.A.0004.210403T1700Z-210404T0100Z/ /O.NEW.KBIS.FW.W.0008.210403T1600Z-210404T0200Z/ Sheridan-Wells-Foster-Morton-Burleigh-Kidder-Stutsman-Grant-Sioux- Emmons-Logan-La Moure-McIntosh-Dickey- 308 AM CDT Sat Apr 3 2021 /208 AM MDT Sat Apr 3 2021/ ...RED FLAG WARNING IN EFFECT FROM 11 AM CDT /10 AM MDT/ THIS MORNING TO 9 PM CDT /8 PM MDT/ THIS EVENING 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 11 AM CDT /10 AM MDT/ this morning to 9 PM CDT /8 PM MDT/ this evening. The Fire Weather Watch is no longer in effect. * WINDS...Sustained to 25 mph with gusts up to 35 mph. A wind shift from southerly to more west to northwesterly during the afternoon. * 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. && $$ Heinert NDZ001>005-009>013-017>021-031>033-040-041-043-044-032015- /O.NEW.KBIS.FW.W.0008.210403T1600Z-210404T0200Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Golden Valley- Billings-Stark-Slope-Hettinger-Bowman-Adams- 308 AM CDT Sat Apr 3 2021 /208 AM MDT Sat Apr 3 2021/ ...RED FLAG WARNING IN EFFECT FROM 11 AM CDT /10 AM MDT/ THIS MORNING TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM CDT /10 AM MDT/ this morning to 9 PM CDT /8 PM MDT/ this evening. * WINDS...Westerly to 20 mph with gusts up to 35 mph. Winds becoming northwesterly by the afternoon. * RELATIVE HUMIDITY...As low as 10 percent. * AFFECTED AREA...All of western and central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Heinert
2 follow-up statements
163 WWUS83 KBIS 031726 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 1226 PM CDT Sat Apr 3 2021 ...RED FLAG WARNING FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA THROUGH THE EARLY EVENING... .Across central North Dakota, southerly winds sustained to 25 mph will become west to northwesterly later in the afternoon. Across western North Dakota, westerly winds will become northwest by the afternoon, sustained to 20 mph. Wind gusts to 35 mph will be possible all locations, along with minimum relative humidity values ranging from 10 to 15 percent. Combined with very dry fuels, critical fire weather conditions are expected. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-040200- /O.CON.KBIS.FW.W.0008.000000T0000Z-210404T0200Z/ 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- 1226 PM CDT Sat Apr 3 2021 /1126 AM MDT Sat Apr 3 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ALL OF WESTERN AND CENTRAL NORTH DAKOTA... * WINDS...West 15 to 25 mph with gusts up to 45 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. && $$
375 WWUS83 KBIS 040154 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 854 PM CDT Sat Apr 3 2021 ...RED FLAG WARNING WILL EXPIRE AT 9PM CDT/8 PM MDT... .Winds will continue to gradually diminish this evening and relative humidity values will gradually rise. Therefore the Red Flag Warning will be allowed to expire. NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-040300- /O.EXP.KBIS.FW.W.0008.000000T0000Z-210404T0200Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells- Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 854 PM CDT Sat Apr 3 2021 /754 PM MDT Sat Apr 3 2021/ ...RED FLAG WARNING WILL EXPIRE AT 9 PM CDT /8 PM MDT... Winds will continue to gradually diminish this evening and relative humidity values will gradually rise. Therefore the Red Flag Warning will be allowed to expire. $$
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 7:44 PM MDT | Fire Weather Watch | BIS | Burleigh, Dickey, Emmons, Foster, Grant, Kidder and 8 more | 6 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.