Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 30, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Sep 27, 2021, 1:29 PM MDT for 14 counties in North Dakota. It took effect at Sep 28, 2021, 12:00 PM MDT. It was in force for 9 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 27, 2021, 1:29 PM MDT (19:29 UTC)
- In effect from
- Sep 28, 2021, 12:00 PM MDT
- Expired
- Sep 28, 2021, 8:31 PM MDT
- In force
- 9 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Billings County, ND, Bowman County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Sioux County, ND, Slope County, ND, Stark County, ND
The radar
The Bismarck radar (KBIS), 132 km from the middle of the area, began a volume at 19:35 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, 7.5 hours before the alert went out and 137 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
- 1900 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 399 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
183 WWUS83 KBIS 271929 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 229 PM CDT Mon Sep 27 2021 ...RED FLAG WARNING FOR AREAS OF WESTERN NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... .Critical fire weather conditions are expected Tuesday afternoon and evening for areas of western North Dakota south and west of the Missouri River. Very low relative humidity values, as low as 10 percent are possible. South to southeast winds sustained around 15 to 20 mph, with gusts to 35 mph. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ017-018-031>033-040-041-043-044-280330- /O.UPG.KBIS.FW.A.0018.210928T1800Z-210929T0300Z/ /O.NEW.KBIS.FW.W.0030.210928T1800Z-210929T0300Z/ McKenzie-Dunn-Golden Valley-Billings-Stark-Slope-Hettinger-Bowman- Adams- 229 PM CDT Mon Sep 27 2021 /129 PM MDT Mon Sep 27 2021/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ TO 10 PM CDT /9 PM MDT/ TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR WESTERN NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... The National Weather Service in Bismarck has issued a Red Flag Warning, which is in effect from 1 PM CDT /noon MDT/ to 10 PM CDT /9 PM MDT/ Tuesday. The Fire Weather Watch is no longer in effect. * WINDS...Southeast 15 to 20 mph with gust up to 35 mph * RELATIVE HUMIDITY...As low as 10 percent. * AFFECTED AREA...Much of 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. && $$ NDZ019-020-034-042-045-280330- /O.NEW.KBIS.FW.W.0030.210928T1800Z-210929T0300Z/ Mercer-Oliver-Morton-Grant-Sioux- 229 PM CDT Mon Sep 27 2021 /129 PM MDT Mon Sep 27 2021/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ TO 10 PM CDT /9 PM MDT/ TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS OF WESTERN NORTH DAKOTA SOUTH AND WEST OF LAKE SAKAKAWEA AND THE MISSOURI RIVER... The National Weather Service in Bismarck has issued a Red Flag Warning, which is in effect from 1 PM CDT /noon MDT/ to 10 PM CDT /9 PM MDT/ Tuesday. * AFFECTED AREA...Much of Western North Dakota * WIND...Southeast 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 15 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
5 follow-up statements
532 WWUS83 KBIS 280837 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 337 AM CDT Tue Sep 28 2021 ...RED FLAG WARNING FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... .Critical fire weather conditions are expected this afternoon and evening for areas of North Dakota south and west of the Missouri River. Expect very low relative humidity values dropping to around 10 percent, along with south to southeast winds sustained around 15 to 25 mph and gusts to 35 mph. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ017>020-031>034-040>045-282045- /O.CON.KBIS.FW.W.0030.210928T1800Z-210929T0300Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux- 337 AM CDT Tue Sep 28 2021 /237 AM MDT Tue Sep 28 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 10 PM CDT /9 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... * AFFECTED AREA...Areas south and west of the Missouri River. * WIND...Southeast 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ MJ
223 WWUS83 KBIS 281143 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 643 AM CDT Tue Sep 28 2021 ...RED FLAG WARNING FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... .Critical fire weather conditions are expected this afternoon and evening for areas of North Dakota south and west of the Missouri River. Expect very low relative humidity values dropping to around 10 percent, along with south to southeast winds sustained around 15 to 25 mph and gusts to 35 mph. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ017>020-031>034-040>045-282345- /O.CON.KBIS.FW.W.0030.210928T1800Z-210929T0300Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux- 643 AM CDT Tue Sep 28 2021 /543 AM MDT Tue Sep 28 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 10 PM CDT /9 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... * AFFECTED AREA...Areas south and west of the Missouri River. * WIND...Southeast 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ MJ
632 WWUS83 KBIS 281934 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 234 PM CDT Tue Sep 28 2021 ...RED FLAG WARNING CONTINUES FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... .Critical fire weather conditions will continue this afternoon and into the evening for areas of North Dakota south and west of the Missouri River. Expect very low relative humidity values dropping to around 10 percent, along with south to southeast winds sustained around 15 to 25 mph and gusts to 35 mph. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ017>020-031>034-040>045-290300- /O.CON.KBIS.FW.W.0030.000000T0000Z-210929T0300Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux- 234 PM CDT Tue Sep 28 2021 /134 PM MDT Tue Sep 28 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... * AFFECTED AREA...Areas south and west of the Missouri River. * WIND...Southeast 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
685 WWUS83 KBIS 282318 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 618 PM CDT Tue Sep 28 2021 ...RED FLAG WARNING CONTINUES FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... .Critical fire weather conditions will continue into the evening for areas of North Dakota south and west of the Missouri River. Expect very low relative humidity values dropping to around 10 percent, along with south to southeast winds sustained around 15 to 25 mph and gusts to 35 mph. Any fires that ignite will spread rapidly in dry fuels and become difficult to control or suppress. NDZ017>020-031>034-040>045-290300- /O.CON.KBIS.FW.W.0030.000000T0000Z-210929T0300Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux- 618 PM CDT Tue Sep 28 2021 /518 PM MDT Tue Sep 28 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS OF NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER... * AFFECTED AREA...Areas south and west of the Missouri River. * WIND...Southeast 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
277 WWUS83 KBIS 290231 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 931 PM CDT Tue Sep 28 2021 ...RED FLAG WARNING CANCELLED... .Strong winds have diminished and Humidities continue to rise this evening as temperatures drop and moisture increases from the south. Therefore the Red Flag Warning has been cancelled. NDZ017>020-031>034-040>045-290345- /O.CAN.KBIS.FW.W.0030.000000T0000Z-210929T0300Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux- 931 PM CDT Tue Sep 28 2021 /831 PM MDT Tue Sep 28 2021/ ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR AREAS SOUTH AND WEST OF THE MISSOURI RIVER... The National Weather Service in Bismarck has cancelled the Red Flag Warning. Strong winds have diminished and humidities continue to rise this evening as temperatures drop and moisture increases from the south. Therefore the Red Flag Warning has been cancelled. $$
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 2:35 AM MDT | Fire Weather Watch | BIS | Adams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 3 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; radar from the NEXRAD Level II archive.