Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 17, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at May 17, 2021, 3:29 AM CDT for 17 counties in North Dakota. It took effect at May 17, 2021, 2:00 PM CDT. It was in force for 6 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 17, 2021, 3:29 AM CDT (08:29 UTC)
- In effect from
- May 17, 2021, 2:00 PM CDT
- Expired
- May 17, 2021, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Bismarck, ND
Counties Bottineau County, ND, Burke County, ND, Divide County, ND, Foster County, ND, Kidder County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mountrail County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Stutsman County, ND, Ward County, ND, Wells County, ND, Williams County, ND
The radar
The Minot AFB radar (KMBX), 41 km from the middle of the area, began a volume at 08:26 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, 8.5 hours before the alert went out and 147 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
- 2201 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
527 WWUS83 KBIS 170829 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 329 AM CDT Mon May 17 2021 ...RED FLAG WARNING TODAY ACROSS THE NORTH AND INTO NORTHERN PORTIONS OF THE JAMES RIVER VALLEY... .Critical fire weather conditions are expected this afternoon and into the early evening hours across the north and into northern portions of the James River Valley. Cloud cover will be limited and temperatures will be very warm with highs in the mid to upper 80s across most of the warning area. These warm temperatures and a dry atmosphere will lead to afternoon humidity values dropping as low as 16 percent. It will also be breezy with southerly winds up to 25 mph with gusts to 35 mph. These conditions combined with dry vegetation will result in critical fire weather conditions. NDZ001>005-009>013-017-021>023-025-036-037-172030- /O.NEW.KBIS.FW.W.0017.210517T1900Z-210518T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-McLean-Sheridan-Wells-Foster-Kidder- Stutsman- 329 AM CDT Mon May 17 2021 /229 AM MDT Mon May 17 2021/ ...RED FLAG WARNING IN EFFECT FROM 2 PM CDT /1 PM MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY ACROSS THE NORTH AND INTO NORTHERN PORTIONS OF THE JAMES RIVER VALLEY... The National Weather Service in Bismarck has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 2 PM CDT /1 PM MDT/ this afternoon to 8 PM CDT /7 PM MDT/ this evening. * WINDS...South up to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 16 percent. * AFFECTED AREA...Across the north and into northern portions of the James River Valley. * 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. && $$ ZH
2 follow-up statements
938 WWUS83 KBIS 171115 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 615 AM CDT Mon May 17 2021 ...RED FLAG WARNING TODAY ACROSS THE NORTH AND INTO NORTHERN PORTIONS OF THE JAMES RIVER VALLEY... .Critical fire weather conditions are expected this afternoon and into the early evening hours across the north and into northern portions of the James River Valley. Cloud cover will be limited and temperatures will be very warm with highs in the mid to upper 80s across most of the warning area. These warm temperatures and a dry atmosphere will lead to afternoon humidity values dropping as low as 16 percent. It will also be breezy with southerly winds up to 25 mph with gusts to 35 mph. These conditions combined with dry vegetation will result in critical fire weather conditions. NDZ001>005-009>013-017-021>023-025-036-037-172315- /O.CON.KBIS.FW.W.0017.210517T1900Z-210518T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-McLean-Sheridan-Wells-Foster-Kidder- Stutsman- 615 AM CDT Mon May 17 2021 /515 AM MDT Mon May 17 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM CDT /1 PM MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY ACROSS THE NORTH AND INTO NORTHERN PORTIONS OF THE JAMES RIVER VALLEY... * WINDS...South up to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 16 percent. * AFFECTED AREA...Across the north and into northern portions of the James River Valley. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... Burn bans may be in effect. Contact local authorities for details. && $$ ZH
750 WWUS83 KBIS 171726 RFWBIS URGENT - FIRE WEATHER MESSAGE National Weather Service Bismarck ND 1226 PM CDT Mon May 17 2021 ...RED FLAG WARNING TODAY OVER NORTHWEST AND NORTH CENTRAL NORTH DAKOTA INTO NORTHERN PORTIONS OF THE JAMES RIVER VALLEY... .Critical fire weather conditions this afternoon into the early evening hours across northwest and north central North Dakota into northern portions of the James River Valley. Cloud cover will be limited and temperatures will be very warm with highs in the mid to upper 80s. These warm temperatures and a dry atmosphere will lead to afternoon humidity values dropping as low as 15 percent. It will also be breezy with southerly winds up to 25 mph with gusts to 35 mph. These conditions, combined with dry vegetation, will result in critical fire weather conditions. NDZ001>005-009>013-017-021>023-025-036-037-180100- /O.CON.KBIS.FW.W.0017.210517T1900Z-210518T0100Z/ Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward- McHenry-Pierce-McKenzie-McLean-Sheridan-Wells-Foster-Kidder- Stutsman- 1226 PM CDT Mon May 17 2021 /1126 AM MDT Mon May 17 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY ACROSS THE NORTH AND INTO NORTHERN PORTIONS OF THE JAMES RIVER VALLEY... * WINDS...South up to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * AFFECTED AREA...Northwest and north central North Dakota into northern portions of the James River Valley. * 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. && $$
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.