Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 16, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at May 7, 2021, 2:37 AM MDT for 11 counties in North Dakota. It took effect at May 7, 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
- May 7, 2021, 2:37 AM MDT (08:37 UTC)
- In effect from
- May 7, 2021, 12:00 PM MDT
- Expired
- May 7, 2021, 8:00 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, Hettinger County, ND, McKenzie County, ND, Slope County, ND, Stark County, ND, Williams County, ND
The radar
The Bismarck radar (KBIS), 186 km from the middle of the area, began a volume at 08:37 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, 8.6 hours before the alert went out and 191 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
- 2 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 2918 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
886 WWUS83 KBIS 070837 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 337 AM CDT Fri May 7 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN NORTH DAKOTA THIS AFTERNOON AND EVENING... .Critical fire weather conditions are expected across much of western North Dakota this afternoon and evening. Southeast winds are expected to increase to sustained speeds around 20 to 25 mph this afternoon, with gusts as high as 35 mph. Despite increasing high clouds, high temperatures are expected to reach the mid 60s, with relative humidity falling into the 15 to 20 percent range. These conditions combined with dry vegetation will result in critical fire weather conditions. NDZ002-010-070945- /O.CAN.KBIS.FW.A.0010.210507T1800Z-210508T0200Z/ Burke-Mountrail- 337 AM CDT Fri May 7 2021 ...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR BURKE AND MOUNTRAIL COUNTIES... The National Weather Service in Bismarck has cancelled the Fire Weather Watch. While relative humidity is expected to fall into the 15 to 20 percent range this afternoon, sustained southeasterly winds will likely remain around 15 mph or less. Near critical fire weather conditions are still expected, and far western parts of Burke and Mountrail Counties could see a brief period of critical fire weather conditions late this afternoon. $$ NDZ001-009-017-018-072045- /O.UPG.KBIS.FW.A.0010.210507T1800Z-210508T0200Z/ /O.NEW.KBIS.FW.W.0016.210507T1800Z-210508T0200Z/ Divide-Williams-McKenzie-Dunn- 337 AM CDT Fri May 7 2021 /237 AM MDT Fri May 7 2021/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR NORTHWEST NORTH DAKOTA... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM CDT /noon MDT/ this afternoon to 9 PM CDT /8 PM MDT/ this evening. The Fire Weather Watch is no longer in effect. * WINDS...Southeast 20 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Northwest North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ NDZ031>033-040-041-043-044-072045- /O.NEW.KBIS.FW.W.0016.210507T1800Z-210508T0200Z/ Golden Valley-Billings-Stark-Slope-Hettinger-Bowman-Adams- 237 AM MDT Fri May 7 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHWEST 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 8 PM MDT this evening. * WINDS...Southeast 20 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Southwest 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. && $$ Hollan
4 follow-up statements
336 WWUS83 KBIS 071144 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 644 AM CDT Fri May 7 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN NORTH DAKOTA THIS AFTERNOON AND EVENING... .Critical fire weather conditions are expected across much of western North Dakota this afternoon and evening. Southeast winds are expected to increase to sustained speeds around 20 to 25 mph this afternoon, with gusts as high as 35 mph. Despite increasing high clouds, high temperatures are expected to reach the mid 60s, with relative humidity falling into the 15 to 20 percent range. These conditions combined with dry vegetation will result in critical fire weather conditions. NDZ001-009-017-018-031>033-040-041-043-044-072345- /O.CON.KBIS.FW.W.0016.210507T1800Z-210508T0200Z/ Divide-Williams-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope- Hettinger-Bowman-Adams- 644 AM CDT Fri May 7 2021 /544 AM MDT Fri May 7 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN NORTH DAKOTA... * WINDS...Southeast 20 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Much of western North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Hollan
968 WWUS83 KBIS 071459 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 959 AM CDT Fri May 7 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN NORTH DAKOTA THIS AFTERNOON AND EVENING... .Critical fire weather conditions are expected across much of western North Dakota this afternoon and evening. Southeast winds are expected to increase to sustained speeds around 20 to 25 mph this afternoon, with gusts as high as 35 mph. Despite increasing high clouds, high temperatures are expected to reach the mid 60s, with relative humidity falling into the 15 to 20 percent range. These conditions combined with dry vegetation will result in critical fire weather conditions. NDZ001-009-017-018-031>033-040-041-043-044-080200- /O.CON.KBIS.FW.W.0016.210507T1800Z-210508T0200Z/ Divide-Williams-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope- Hettinger-Bowman-Adams- 959 AM CDT Fri May 7 2021 /859 AM MDT Fri May 7 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN NORTH DAKOTA... * WINDS...Southeast 20 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 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. && $$
638 WWUS83 KBIS 071755 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 1255 PM CDT Fri May 7 2021 ...RED FLAG WARNING FOR MUCH OF WESTERN NORTH DAKOTA THIS AFTERNOON AND EVENING... .Critical fire weather conditions are expected across much of western North Dakota this afternoon and evening. Southeast winds are expected to increase to sustained speeds around 20 to 25 mph this afternoon, with gusts as high as 35 mph. Despite increasing high clouds, high temperatures are expected to reach the mid 60s, with relative humidity falling into the 15 to 20 percent range. These conditions combined with dry vegetation will result in critical fire weather conditions. NDZ001-009-017-018-031>033-040-041-043-044-080200- /O.CON.KBIS.FW.W.0016.210507T1800Z-210508T0200Z/ Divide-Williams-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope- Hettinger-Bowman-Adams- 1255 PM CDT Fri May 7 2021 /1155 AM MDT Fri May 7 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN NORTH DAKOTA... * WINDS...Southeast 20 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Much of western North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$
908 WWUS83 KBIS 080206 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 906 PM CDT Fri May 7 2021 ...RED FLAG WARNING HAS EXPIRED FOR WESTERN NORTH DAKOTA... .Relative humidity values are rising across the region this evening as surface temperatures cool and cloud cover increases. Thus the Red Flag Warning has been allowed to expire. Southeasterly winds of 15 to 25 mph are expected to continue tonight and then shift to the east on Saturday. NDZ001-009-017-018-031>033-040-041-043-044-080315- /O.EXP.KBIS.FW.W.0016.000000T0000Z-210508T0200Z/ Divide-Williams-McKenzie-Dunn-Golden Valley-Billings-Stark-Slope- Hettinger-Bowman-Adams- 906 PM CDT Fri May 7 2021 /806 PM MDT Fri May 7 2021/ ...RED FLAG WARNING HAS EXPIRED FOR WESTERN NORTH DAKOTA... Relative humidity values are rising across the region this evening as surface temperatures cool and cloud cover increases. Thus the Red Flag Warning has been allowed to expire. Southeasterly winds of 15 to 25 mph are expected to continue tonight and then shift to the east on Saturday. $$ EDWARDS
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.