Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 5, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Mar 30, 2021, 2:50 AM MDT for 9 counties in North Dakota. It took effect at Mar 30, 2021, 12:00 PM MDT. It was in force for 7 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 30, 2021, 2:50 AM MDT (08:50 UTC)
- In effect from
- Mar 30, 2021, 12:00 PM MDT
- Expired
- Mar 30, 2021, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Billings County, ND, Bowman County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Sioux County, ND, Slope County, ND, Stark County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 8.8 hours before the alert went out and 158 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
- 2069 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- -152 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
556 WWUS83 KBIS 300850 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 350 AM CDT Tue Mar 30 2021 ...RED FLAG WARNING FOR SOUTHWESTERN NORTH DAKOTA THIS AFTERNOON THROUGH EARLY THIS EVENING... .Critical fire weather conditions are expected across southwestern North Dakota this afternoon through early this evening. The combination of strong northwest winds with gusts to 45 mph and low relative humidity as low as 20 percent will create dangerous fire weather conditions. NDZ031>033-040-041-043-044-302100- /O.NEW.KBIS.FW.W.0005.210330T1800Z-210331T0100Z/ Golden Valley-Billings-Stark-Slope-Hettinger-Bowman-Adams- 250 AM MDT Tue Mar 30 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR GUSTY NORTHWEST WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHWESTERN 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 7 PM MDT this evening. * WINDS...Northwest 25 to 35 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 20 percent. * AFFECTED AREA...Southwestern 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. && $$ Heinert
4 follow-up statements
769 WWUS83 KBIS 301436 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 936 AM CDT Tue Mar 30 2021 ...RED FLAG WARNING FOR SOUTHWESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON THROUGH EARLY THIS EVENING... .Critical fire weather conditions are expected across southwestern and portions of south central North Dakota this afternoon through early this evening. The combination of strong northwest winds with gusts to 50 mph and low relative humidity as low as 16 percent will create dangerous fire weather conditions. NDZ042-045-310100- /O.EXA.KBIS.FW.W.0005.210330T1800Z-210331T0100Z/ Grant-Sioux- 936 AM CDT Tue Mar 30 2021 /836 AM MDT Tue Mar 30 2021/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM CDT /noon MDT/ this afternoon to 8 PM CDT /7 PM MDT/ this evening. * WINDS...Northwest 30 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 20 percent. * AFFECTED AREA...Portions of south central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ NDZ031>033-040-041-043-044-310100- /O.CON.KBIS.FW.W.0005.210330T1800Z-210331T0100Z/ Golden Valley-Billings-Stark-Slope-Hettinger-Bowman-Adams- 836 AM MDT Tue Mar 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR GUSTY NORTHWEST WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHWESTERN NORTH DAKOTA... * WINDS...Northwest 25 to 35 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 16 percent. * AFFECTED AREA...Southwestern 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. && $$ ZH
087 WWUS83 KBIS 301737 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 1237 PM CDT Tue Mar 30 2021 ...RED FLAG WARNING FOR SOUTHWESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON THROUGH EARLY THIS EVENING... .Critical fire weather conditions are expected across southwestern and portions of south central North Dakota this afternoon through early this evening. The combination of strong northwest winds with gusts to 50 mph and low relative humidity as low as 16 percent will create dangerous fire weather conditions. NDZ031>033-040>045-310100- /O.CON.KBIS.FW.W.0005.210330T1800Z-210331T0100Z/ Golden Valley-Billings-Stark-Slope-Hettinger-Grant-Bowman-Adams- Sioux- 1237 PM CDT Tue Mar 30 2021 /1137 AM MDT Tue Mar 30 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 30 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 20 percent. * AFFECTED AREA...Southwestern and portions of south central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ ZH
746 WWUS83 KBIS 301945 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 245 PM CDT Tue Mar 30 2021 ...RED FLAG WARNING FOR SOUTHWESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON THROUGH EARLY THIS EVENING... .Critical fire weather conditions are expected across southwestern and portions of south central North Dakota this afternoon through early this evening. The combination of strong northwest winds with gusts to 50 mph and low relative humidity as low as 16 percent will create dangerous fire weather conditions. NDZ031>033-040>045-310100- /O.CON.KBIS.FW.W.0005.000000T0000Z-210331T0100Z/ Golden Valley-Billings-Stark-Slope-Hettinger-Grant-Bowman-Adams- Sioux- 245 PM CDT Tue Mar 30 2021 /145 PM MDT Tue Mar 30 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 30 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 16 percent. * AFFECTED AREA...Southwestern and portions of south 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. && $$ ZH
966 WWUS83 KBIS 310056 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 756 PM CDT Tue Mar 30 2021 NDZ031>033-040>045-310200- /O.EXP.KBIS.FW.W.0005.000000T0000Z-210331T0100Z/ Golden Valley-Billings-Stark-Slope-Hettinger-Grant-Bowman-Adams- Sioux- 756 PM CDT Tue Mar 30 2021 /656 PM MDT Tue Mar 30 2021/ ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... Winds are starting to diminish across southwest North Dakota, while relative humidity values also begin to improve. Elevated fire danger may still continue through the evening, although critical conditions are no longer expected. Thus the Red Flag Warning will be allowed to expire. Near critical fire danger may still be found at times this week. Those with burn plans should check the latest forecast, and check for any local burn bans in effect. $$
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 2:25 AM MDT | Wind Advisory | BIS | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 26 more | 19 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.