Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 18, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at May 30, 2021, 3:57 AM CDT for 14 counties in North Dakota. It took effect at May 30, 2021, 1:00 PM CDT. 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
- May 30, 2021, 3:57 AM CDT (08:57 UTC)
- In effect from
- May 30, 2021, 1:00 PM CDT
- Expired
- May 30, 2021, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Bismarck, ND
Counties Bottineau County, ND, Burke County, ND, Divide County, ND, Foster County, ND, McHenry County, ND, McLean County, ND, Mountrail County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Ward County, ND, Wells County, ND, Williams County, ND
The radar
The Minot AFB radar (KMBX), 29 km from the middle of the area, began a volume at 09:02 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, 9.0 hours before the alert went out and 167 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
- 1775 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
144 WWUS83 KBIS 300857 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 357 AM CDT Sun May 30 2021 ...RED FLAG WARNING FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected to develop across much of northwest and north central North Dakota this afternoon, lasting through the early evening. Northwest winds will reach sustained speeds around 20 mph with gusts as high as 30 mph. Relative humidity is forecast to fall into the 10 to 20 percent range by late afternoon. Taking into account these conditions with the ongoing extreme to exceptional drought, which has kept vegetation much drier than normal for this time of year, a Red Flag Warning has been issued. NDZ001>005-009>013-021>023-025-302100- /O.NEW.KBIS.FW.W.0018.210530T1800Z-210531T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McLean-Sheridan-Wells-Foster- 357 AM CDT Sun May 30 2021 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHWEST AND NORTH 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 this afternoon to 8 PM CDT this evening. * WINDS...Northwest around 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * AFFECTED AREA...Much of northwest and north 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. && $$ Hollan
5 follow-up statements
197 WWUS83 KBIS 301135 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 635 AM CDT Sun May 30 2021 ...RED FLAG WARNING FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected to develop across much of northwest and north central North Dakota this afternoon, lasting through the early evening. Northwest winds will reach sustained speeds around 20 mph with gusts as high as 30 mph. Relative humidity is forecast to fall into the 10 to 20 percent range by late afternoon. Taking into account these conditions with the ongoing extreme to exceptional drought, which has kept vegetation much drier than normal for this time of year, a Red Flag Warning has been issued. NDZ001>005-009>013-021>023-025-302345- /O.CON.KBIS.FW.W.0018.210530T1800Z-210531T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McLean-Sheridan-Wells-Foster- 635 AM CDT Sun May 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA... * WINDS...Northwest around 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * AFFECTED AREA...Much of northwest and north central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ Hollan
152 WWUS83 KBIS 301346 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 846 AM CDT Sun May 30 2021 ...RED FLAG WARNING FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions are expected to develop across much of northwest and north central North Dakota this afternoon, lasting through the early evening. Northwest winds will reach sustained speeds around 20 mph with gusts as high as 30 mph. Relative humidity is forecast to fall into the 10 to 20 percent range by late afternoon. Taking into account these conditions with the ongoing extreme to exceptional drought, which has kept vegetation much drier than normal for this time of year, a Red Flag Warning has been issued. NDZ001>005-009>013-021>023-025-310100- /O.CON.KBIS.FW.W.0018.210530T1800Z-210531T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McLean-Sheridan-Wells-Foster- 846 AM CDT Sun May 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA... * WINDS...Northwest around 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * AFFECTED AREA...Much of northwest and north 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. && $$ ZH
704 WWUS83 KBIS 301730 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 1230 PM CDT Sun May 30 2021 ...RED FLAG WARNING FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions will continue to develop across much of northwest and north central North Dakota this afternoon, lasting through the early evening. Northwest winds will reach sustained speeds around 20 mph with gusts as high as 30 mph. Relative humidity is forecast to fall into the 10 to 20 percent range by late afternoon. Taking into account these conditions with the ongoing extreme to exceptional drought, which has kept vegetation much drier than normal for this time of year, a Red Flag Warning has been issued. NDZ001>005-009>013-021>023-025-310100- /O.CON.KBIS.FW.W.0018.210530T1800Z-210531T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McLean-Sheridan-Wells-Foster- 1230 PM CDT Sun May 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * AFFECTED AREA...Much of northwest and north central North Dakota. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ ZH
919 WWUS83 KBIS 302018 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 318 PM CDT Sun May 30 2021 ...RED FLAG WARNING FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING... .Critical fire weather conditions will continue across much of northwest and north central North Dakota this afternoon, lasting through the early evening. Northwest winds will reach sustained speeds around 25 mph with gusts as high as 35 mph. Relative humidity is forecast to fall into the 10 to 20 percent range by late afternoon. Taking into account these conditions with the ongoing extreme to exceptional drought, which has kept vegetation much drier than normal for this time of year, a Red Flag Warning has been issued. NDZ001>005-009>013-021>023-025-310100- /O.CON.KBIS.FW.W.0018.000000T0000Z-210531T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McLean-Sheridan-Wells-Foster- 318 PM CDT Sun May 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA... * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 13 percent. * AFFECTED AREA...Much of northwest and north 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. && $$ ZH
151 WWUS83 KBIS 310053 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 753 PM CDT Sun May 30 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA... .Although low relative humidity may linger through the remainder of the evening, winds are starting to diminish across the area. Thus the Red Flag Warning will expire at 8 PM CDT. Low humidity values may again be found tomorrow, although winds are expected to remain light. NDZ001>005-009>013-021>023-025-310200- /O.EXP.KBIS.FW.W.0018.000000T0000Z-210531T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McLean-Sheridan-Wells-Foster- 753 PM CDT Sun May 30 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHWEST AND NORTH CENTRAL NORTH DAKOTA... Although low relative humidity may linger through the remainder of the evening, winds are starting to diminish across the area. Thus the Red Flag Warning will expire at 8 PM CDT. Low humidity values may again be found tomorrow, although winds are expected to remain light. $$
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 8:08 PM CDT | Special Weather Statement | BIS | Ward | 37 min |
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.