Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 25, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Sep 5, 2021, 2:16 PM MDT for 16 counties in North Dakota. It took effect at Sep 6, 2021, 12:00 PM 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 5, 2021, 2:16 PM MDT (20:16 UTC)
- In effect from
- Sep 6, 2021, 12:00 PM MDT
- Expired
- Sep 6, 2021, 7:44 PM MDT
- In force
- 8 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Billings County, ND, Bowman County, ND, Divide 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, Williams County, ND
The radar
The Bismarck radar (KBIS), 143 km from the middle of the area, began a volume at 20:20 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, 8.3 hours before the alert went out and 148 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
- 2131 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
972 WWUS83 KBIS 052016 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 316 PM CDT Sun Sep 5 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA FROM MONDAY AFTERNOON INTO THE EVENING... .Critical fire weather conditions are expected on Monday afternoon and into the evening hours across much of western and south central North Dakota. Surface winds will be 20 to 30 mph with gusts up to 40 mph. Relative humidity values will be as low as 15 percent. NDZ009-017-018-031>033-040-041-043-044-060830- /O.UPG.KBIS.FW.A.0015.210906T1800Z-210907T0300Z/ /O.NEW.KBIS.FW.W.0025.210906T1800Z-210907T0300Z/ Williams-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope- Hettinger-Bowman-Adams- 316 PM CDT Sun Sep 5 2021 /216 PM MDT Sun Sep 5 2021/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ TO 10 PM CDT /9 PM MDT/ MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF 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 from 1 PM CDT /noon MDT/ to 10 PM CDT /9 PM MDT/ Monday. The Fire Weather Watch is no longer in effect. * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Much of western North Dakota. * IMPACTS...Any fires that ignite may spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ NDZ019-020-034-042-045-060830- /O.NEW.KBIS.FW.W.0025.210906T1800Z-210907T0300Z/ Mercer-Oliver-Morton-Grant-Sioux- 316 PM CDT Sun Sep 5 2021 /216 PM MDT Sun Sep 5 2021/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ TO 10 PM CDT /9 PM MDT/ MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH CENTRAL NORTH DAKOTA ... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM CDT /noon MDT/ to 10 PM CDT /9 PM MDT/ Monday. * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...South central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ jns
5 follow-up statements
503 WWUS83 KBIS 052338 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 638 PM CDT Sun Sep 5 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA FROM MONDAY AFTERNOON INTO THE EVENING... .Critical fire weather conditions are expected on Monday afternoon and into the evening hours across much of western and south central North Dakota. Surface winds will be 20 to 30 mph with gusts up to 40 mph. Relative humidity values will be as low as 15 percent. NDZ009-017>020-031>034-040>045-061145- /O.CON.KBIS.FW.W.0025.210906T1800Z-210907T0300Z/ Williams-McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark- Morton-Slope-Hettinger-Grant-Bowman-Adams-Sioux- 638 PM CDT Sun Sep 5 2021 /538 PM MDT Sun Sep 5 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ TO 10 PM CDT /9 PM MDT/ MONDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Much 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. && $$ EDWARDS
519 WWUS83 KBIS 060719 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 219 AM CDT Mon Sep 6 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA FROM MONDAY AFTERNOON INTO THE EVENING... .Critical fire weather conditions are expected this afternoon and into the evening hours across much of western and south central North Dakota. Surface winds will be 20 to 30 mph with gusts up to 40 mph. Relative humidity values will be as low as 15 percent. NDZ001-061930- /O.EXA.KBIS.FW.W.0025.210906T1800Z-210907T0300Z/ Divide- 219 AM CDT Mon Sep 6 2021 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR DIVIDE COUNTY... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM this afternoon to 10 PM CDT this evening. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * AFFECTED AREA...Divide County. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ NDZ009-017>020-031>034-040>045-061930- /O.CON.KBIS.FW.W.0025.210906T1800Z-210907T0300Z/ Williams-McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark- Morton-Slope-Hettinger-Grant-Bowman-Adams-Sioux- 219 AM CDT Mon Sep 6 2021 /119 AM MDT Mon Sep 6 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 WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Much 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. && $$ Telken
412 WWUS83 KBIS 061134 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 634 AM CDT Mon Sep 6 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA FROM MONDAY AFTERNOON INTO THE EVENING... .Critical fire weather conditions are expected this afternoon and into the evening hours across much of western and south central North Dakota. Surface winds will be 20 to 30 mph with gusts up to 40 mph. Relative humidity values will be as low as 15 percent. NDZ001-009-017>020-031>034-040>045-062345- /O.CON.KBIS.FW.W.0025.210906T1800Z-210907T0300Z/ Divide-Williams-McKenzie-Dunn-Mercer-Oliver-Golden Valley- Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman-Adams-Sioux- 634 AM CDT Mon Sep 6 2021 /534 AM MDT Mon Sep 6 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Much of western and south central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Telken
958 WWUS83 KBIS 062324 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 624 PM CDT Mon Sep 6 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA INTO THIS EVENING... .Critical fire weather conditions are expected to continue into the evening hours across much of western and south central North Dakota. Surface winds will be 20 to 30 mph with gusts up to 40 mph. Relative humidity values will be as low as 15 percent. NDZ001-009-017>020-031>034-040>045-070300- /O.CON.KBIS.FW.W.0025.000000T0000Z-210907T0300Z/ Divide-Williams-McKenzie-Dunn-Mercer-Oliver-Golden Valley- Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman-Adams-Sioux- 624 PM CDT Mon Sep 6 2021 /524 PM MDT Mon Sep 6 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Much 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. && $$ ZH
897 WWUS83 KBIS 070144 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 844 PM CDT Mon Sep 6 2021 ...RED FLAG WARNING CANCELLED FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... .Humidity values continue to increase this evening and winds continue to diminish. Therefore, the Red Flag Warning has been cancelled. NDZ001-009-017>020-031>034-040>045-070245- /O.CAN.KBIS.FW.W.0025.000000T0000Z-210907T0300Z/ Divide-Williams-McKenzie-Dunn-Mercer-Oliver-Golden Valley- Billings-Stark-Morton-Slope-Hettinger-Grant-Bowman-Adams-Sioux- 844 PM CDT Mon Sep 6 2021 /744 PM MDT Mon Sep 6 2021/ ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN AND SOUTH CENTRAL NORTH DAKOTA... The National Weather Service in Bismarck has cancelled the Red Flag Warning. Humidity values continue to increase this evening and winds continue to diminish. Therefore, the Red Flag Warning has been cancelled. $$ ZH
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.