Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 26, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Sep 9, 2021, 8:16 AM MDT for 5 counties in North Dakota. It took effect at Sep 9, 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
- Sep 9, 2021, 8:16 AM MDT (14:16 UTC)
- In effect from
- Sep 9, 2021, 11:00 AM MDT
- Expired
- Sep 9, 2021, 7:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Bismarck, ND
Counties Billings County, ND, Bowman County, ND, Golden Valley County, ND, McKenzie County, ND, Slope County, ND
The radar
The Bismarck radar (KBIS), 210 km from the middle of the area, began a volume at 14:17 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, 2.3 hours before the alert went out and 215 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
- 1774 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
351 WWUS83 KBIS 091416 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 916 AM CDT Thu Sep 9 2021 ...RED FLAG WARNING FOR MUCH OF FAR WESTERN NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected this afternoon and early evening over much of far western North Dakota. Southerly winds this morning will shift west to northwest and increase to around 20 mph. Relative humidity values will drop as low as 14 percent. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ017-031-032-040-043-100100- /O.NEW.KBIS.FW.W.0026.210909T1700Z-210910T0100Z/ McKenzie-Golden Valley-Billings-Slope-Bowman- 916 AM CDT Thu Sep 9 2021 /816 AM MDT Thu Sep 9 2021/ ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF FAR WESTERN NORTH DAKOTA... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 8 PM CDT /7 PM MDT/ this evening. * WINDS...Southerly this morning, shifting to the west to northwest around 20 mph with gusts to 30 mph this afternoon and evening. * RELATIVE HUMIDITY...As low as 14 percent. * AFFECTED AREA...Much of far western 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. && $$
2 follow-up statements
823 WWUS83 KBIS 091841 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 141 PM CDT Thu Sep 9 2021 ...RED FLAG WARNING FOR MUCH OF FAR WESTERN NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions will continue this afternoon and early evening over much of far western North Dakota. West to northwest winds around 20 mph combining with humidity values dropping as low as 14 percent will result in critical fire weather conditions. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ017-031-032-040-043-100100- /O.CON.KBIS.FW.W.0026.000000T0000Z-210910T0100Z/ McKenzie-Golden Valley-Billings-Slope-Bowman- 141 PM CDT Thu Sep 9 2021 /1241 PM MDT Thu Sep 9 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF FAR WESTERN NORTH DAKOTA... * WINDS...West to northwest around 20 mph with gusts to 30 mph. * RELATIVE HUMIDITY...As low as 14 percent. * AFFECTED AREA...Much of far western North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
229 WWUS83 KBIS 100104 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 804 PM CDT Thu Sep 9 2021 ...RED FLAG WARNING HAS EXPIRED FOR WESTERN NORTH DAKOTA... .The Red Flag Warning has expired. Humidity will continue to trend upwards and winds diminish this evening. NDZ017-031-032-040-043-100215- /O.EXP.KBIS.FW.W.0026.000000T0000Z-210910T0100Z/ McKenzie-Golden Valley-Billings-Slope-Bowman- 804 PM CDT Thu Sep 9 2021 /704 PM MDT Thu Sep 9 2021/ ...RED FLAG WARNING HAS EXPIRED FOR WESTERN NORTH DAKOTA... .The Red Flag Warning has expired. Humidity will continue to trend upwards and winds diminish this evening. $$
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.