Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Feb 25, 2021, 1:11 AM MST for 15 counties in North Dakota. It took effect at Feb 25, 2021, 11:00 AM MST. 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
- Feb 25, 2021, 1:11 AM MST (08:11 UTC)
- In effect from
- Feb 25, 2021, 11:00 AM MST
- Expired
- Feb 25, 2021, 6:00 PM MST
- In force
- 7 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Billings County, ND, Bowman County, ND, Dunn County, ND, Emmons 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), 121 km from the middle of the area, began a volume at 08:09 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 00:00Z, 8.2 hours before the alert went out and 126 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
- 1052 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
888 WWUS83 KBIS 250811 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 211 AM CST Thu Feb 25 2021 ...RED FLAG WARNING FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire conditions are expected across portions of western and south central North Dakota this afternoon and early evening. Southwesterly winds around 25 mph with gusts around 35 mph will combine with very low relative humidity around 15 percent. Any fires that ignite will be capable of growing rapidly and spreading out of control. NDZ017>020-031>034-040>046-252015- /O.NEW.KBIS.FW.W.0001.210225T1800Z-210226T0100Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons- 211 AM CST Thu Feb 25 2021 /111 AM MST Thu Feb 25 2021/ ...RED FLAG WARNING IN EFFECT FROM NOON CST /11 AM MST/ TODAY TO 7 PM CST /6 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF WESTERN AND 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 noon CST /11 AM MST/ today to 7 PM CST /6 PM MST/ this evening. * WINDS...Southwest around 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * AFFECTED AREA...portions of western and 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. && $$
4 follow-up statements
071 WWUS83 KBIS 251459 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 859 AM CST Thu Feb 25 2021 ...RED FLAG WARNING FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire conditions are expected across portions of western and south central North Dakota this afternoon and early evening. Southwesterly winds around 25 mph with gusts around 35 mph will combine with very low relative humidity around 15 percent. Any fires that ignite will be capable of growing rapidly and spreading out of control. NDZ017>020-031>034-040>046-260100- /O.CON.KBIS.FW.W.0001.210225T1800Z-210226T0100Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons- 859 AM CST Thu Feb 25 2021 /759 AM MST Thu Feb 25 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CST /11 AM MST/ TODAY TO 7 PM CST /6 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... * WINDS...Southwest around 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * AFFECTED AREA...portions of western and south central North Dakota * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ ZH
796 WWUS83 KBIS 251743 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 1143 AM CST Thu Feb 25 2021 ...RED FLAG WARNING FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire conditions are expected across portions of western and south central North Dakota this afternoon and early evening. Southwesterly winds around 25 mph with gusts around 35 mph will combine with very low relative humidity around 15 percent. Any fires that ignite will be capable of growing rapidly and spreading out of control. NDZ017>020-031>034-040>046-260100- /O.CON.KBIS.FW.W.0001.210225T1800Z-210226T0100Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons- 1143 AM CST Thu Feb 25 2021 /1043 AM MST Thu Feb 25 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST /6 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... * WINDS...Southwest around 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * AFFECTED AREA...portions of western and 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. && $$ ZH
067 WWUS83 KBIS 252039 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 239 PM CST Thu Feb 25 2021 ...RED FLAG WARNING FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire conditions are expected across portions of western and south central North Dakota this afternoon and early evening. Southwesterly winds around 25 mph with gusts around 35 mph will combine with very low relative humidity around 15 percent. Any fires that ignite will be capable of growing rapidly and spreading out of control. NDZ017>020-031>034-040>046-260100- /O.CON.KBIS.FW.W.0001.000000T0000Z-210226T0100Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons- 239 PM CST Thu Feb 25 2021 /139 PM MST Thu Feb 25 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST /6 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... * WINDS...Southwest around 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 12 percent. * AFFECTED AREA...portions of western and south central North Dakota * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ ZH
303 WWUS83 KBIS 260039 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 639 PM CST Thu Feb 25 2021 NDZ017>020-031>034-040>046-260145- /O.EXP.KBIS.FW.W.0001.000000T0000Z-210226T0100Z/ McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton- Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons- 639 PM CST Thu Feb 25 2021 /539 PM MST Thu Feb 25 2021/ ...RED FLAG WARNING WILL EXPIRE AT 7 PM CST /6 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... Although relative humidity and wind values may remain elevated through the early evening hours, critical fire weather conditions are no longer expected. Thus the Red Flag Warning will expire at 7 PM CST/6 PM MST. $$
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.