Alert archive / North Dakota / Red Flag Warnings in 2012
Red Flag Warning 25, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Jul 31, 2012, 2:23 AM MDT for 4 counties in North Dakota. It took effect at Jul 31, 2012, 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
- Jul 31, 2012, 2:23 AM MDT (08:23 UTC)
- In effect from
- Jul 31, 2012, 12:00 PM MDT
- Expired
- Jul 31, 2012, 7:52 PM MDT
- In force
- 8 hr
- Issued by
- NWS Bismarck, ND
Counties Billings County, ND, Bowman County, ND, Golden Valley County, ND, Slope County, ND
The radar
The Bismarck radar (KBIS), 213 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, 8.4 hours before the alert went out and 218 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
- 2746 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -69 m²/s²
- 0-3 km storm-relative helicity
- -46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
631 WWUS83 KBIS 310823 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 323 AM CDT TUE JUL 31 2012 ...RED FLAG WARNING SOUTHWEST NORTH DAKOTA TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING... .A COLD FRONT WILL MOVE FROM CENTRAL MONTANA INTO WESTERN NORTH DAKOTA LATE AFTERNOON TUESDAY. SUSTAINED SOUTH WINDS OF 15 TO 20 MPH ARE FORECAST THROUGH EARLY AFTERNOON...WITH MINIMUM RELATIVE HUMIDITIES FALLING TO BETWEEN 15 AND 20 PERCENT ALONG WITH HIGH TEMPERATURES OF AROUND 100 DEGREES. WINDS WILL GUST TO 25 MPH THROUGH THE AFTERNOON AND SHIFT TO THE WEST AND NORTHWEST BY LATE AFTERNOON AS THE COLD FRONT MOVES THROUGH. THERE IS A CHANCE FOR THUNDERSTORMS TO DEVELOP ALONG AND AHEAD OF THE COLD FRONT TODAY. ANY THUNDERSTORM THAT DEVELOPS WILL BE CAPABLE OF PRODUCING DAMAGING AND ERRATIC WINDS IN EXCESS OF 60 MPH. WITH DRY FUELS...HOT TEMPERATURES...LOW RELATIVE HUMIDITY...AND THE POTENTIAL FOR VERY STRONG AND ERRATIC WINDS WITH A COLD FRONTAL PASSAGE DURING THE AFTERNOON...CRITICAL FIRE WEATHER BEHAVIOR WILL OCCUR IN SOUTHWEST NORTH DAKOTA. NDZ031-032-040-043-311630- /O.NEW.KBIS.FW.W.0025.120731T1800Z-120801T0200Z/ GOLDEN VALLEY-BILLINGS-SLOPE-BOWMAN- 223 AM MDT TUE JUL 31 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR DRY FUELS...HOT TEMPERATURES...LOW RELATIVE HUMIDITY...AND POSSIBLY VERY STRONG AND ERRATIC WINDS IN SOUTHWEST NORTH DAKOTA... * AFFECTED AREA...FIRE WEATHER ZONE 031 GOLDEN VALLEY...FIRE WEATHER ZONE 032 BILLINGS...FIRE WEATHER ZONE 040 SLOPE AND FIRE WEATHER ZONE 043 BOWMAN. * WINDS...SOUTH WINDS 15 TO 20 MPH WILL BECOME WEST TO NORTHWEST BY LATE TUESDAY AFTERNOON. EXPECT GUSTS TO 25 MPH THROUGH THE AFTERNOON. VERY STRONG AND ERRATIC WINDS IN EXCESS OF 60 MPH MAY ACCOMPANY ANY THUNDERSTORM THAT DEVELOPS. * TIMING...TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * TEMPERATURES...HIGH TEMPERATURES AROUND 100 DEGREES. * LIGHTNING...ISOLATED TO SCATTERED THUNDERSTORMS WILL OCCUR ALONG AND AHEAD OF THE COLD FRONT. * IMPACTS...CRITICAL FIRE WEATHER BEHAVIOR IS EXPECTED THIS AFTERNOON THROUGH EARLY TUESDAY EVENING IN SOUTHWEST NORTH DAKOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ KS
3 follow-up statements
329 WWUS83 KBIS 311756 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 1256 PM CDT TUE JUL 31 2012 ...RED FLAG WARNING SOUTHWEST NORTH DAKOTA THIS TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING... .A FRONTAL BOUNDARY HAD ENTERED FAR WESTERN NORTH DAKOTA FROM MONTANA LATE THIS MORNING. SUSTAINED SOUTH WINDS OF 15 TO 20 MPH ARE FORECAST AHEAD OF THE FRONT...WITH WINDS BECOMING SOUTHWEST BEHIND THE FRONT. MINIMUM RELATIVE HUMIDITIES ARE FORECAST TO FALL TO BETWEEN 13 AND 20 PERCENT ALONG WITH HIGH TEMPERATURES OF AROUND 100 DEGREES. WINDS WILL GUST TO 25 MPH THROUGH THE AFTERNOON AND SHIFT TO THE WEST AND NORTHWEST BY LATE AFTERNOON AS THE FRONT CONTINUES TO MOVE EASTWARD. THERE IS A CHANCE FOR THUNDERSTORMS TO DEVELOP ALONG AND AHEAD OF THE FRONT TODAY. ANY THUNDERSTORM THAT DEVELOPS WILL BE CAPABLE OF PRODUCING DAMAGING AND ERRATIC WINDS IN EXCESS OF 60 MPH. DRY LIGHTNING IS ALSO A POSSIBILITY. WITH DRY FUELS...HOT TEMPERATURES...LOW RELATIVE HUMIDITY...AND THE POTENTIAL FOR VERY STRONG AND ERRATIC WINDS WITH A FRONTAL PASSAGE DURING THE AFTERNOON...CRITICAL FIRE WEATHER BEHAVIOR WILL OCCUR IN SOUTHWEST NORTH DAKOTA. NDZ031-032-040-043-010200- /O.CON.KBIS.FW.W.0025.120731T1800Z-120801T0200Z/ GOLDEN VALLEY-BILLINGS-SLOPE-BOWMAN- 1156 AM MDT TUE JUL 31 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR DRY FUELS...HOT TEMPERATURES...LOW RELATIVE HUMIDITY...AND POSSIBLY VERY STRONG AND ERRATIC WINDS IN SOUTHWEST NORTH DAKOTA... * AFFECTED AREA...FIRE WEATHER ZONE 031 GOLDEN VALLEY...FIRE WEATHER ZONE 032 BILLINGS...FIRE WEATHER ZONE 040 SLOPE AND FIRE WEATHER ZONE 043 BOWMAN. * WINDS...SOUTHWEST WINDS 15 TO 20 MPH WILL BECOME WEST TO NORTHWEST BY LATE TUESDAY AFTERNOON. EXPECT GUSTS TO 25 MPH THROUGH THE AFTERNOON. VERY STRONG AND ERRATIC WINDS IN EXCESS OF 60 MPH MAY ACCOMPANY ANY THUNDERSTORM THAT DEVELOPS. * TIMING...TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * TEMPERATURES...HIGH TEMPERATURES AROUND 100 DEGREES. * LIGHTNING...ISOLATED TO SCATTERED THUNDERSTORMS WILL OCCUR ALONG AND AHEAD OF THE COLD FRONT. * IMPACTS...CRITICAL FIRE WEATHER BEHAVIOR IS EXPECTED THIS AFTERNOON THROUGH EARLY TUESDAY EVENING IN SOUTHWEST NORTH DAKOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ JV
245 WWUS83 KBIS 312135 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 435 PM CDT TUE JUL 31 2012 ...RED FLAG WARNING SOUTHWEST NORTH DAKOTA THIS TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING... .A FRONTAL BOUNDARY EXTENDED FROM BETWEEN TIOGA AND MINOT...TO BETWEEN DICKINSON AND BISMARCK. WEST OF THIS FRONT WINDS WERE WESTERLY AT 10 TO 20 MPH WITH SOME GUSTS TO 25 MPH...AND SURFACE DEWPOINTS SHOULD BE DROPPING INTO THE 40S. TEMPERATURES IN THE MID TO UPPER 90S WITH LOW DEWPOINTS SHOULD RESULT IN RELATIVE HUMIDITY VALUES IN THE TEENS TO NEAR 20 PERCENT. THESE CONDITIONS...ALONG WITH DRY FUELS...WILL KEEP CRITICAL FIRE WEATHER CONDITIONS IN THE RED FLAG AREA THROUGH EARLY EVENING IN FAR SOUTHWESTERN NORTH DAKOTA. THUNDERSTORM DEVELOPMENT IS POSSIBLE...BUT MAINLY ALONG AND EAST OF THE SURFACE FRONT. THEREFORE THE CHANCE OF AFTERNOON AND EVENING THUNDERSTORM DEVELOPMENT IN THE RED FLAG AREA HAS DIMINISHED. NDZ031-032-040-043-010200- /O.CON.KBIS.FW.W.0025.000000T0000Z-120801T0200Z/ GOLDEN VALLEY-BILLINGS-SLOPE-BOWMAN- 335 PM MDT TUE JUL 31 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR DRY FUELS...HOT TEMPERATURES...AND LOW RELATIVE HUMIDITY IN FAR SOUTHWEST NORTH DAKOTA... * AFFECTED AREA...FIRE WEATHER ZONE 031 GOLDEN VALLEY...FIRE WEATHER ZONE 032 BILLINGS...FIRE WEATHER ZONE 040 SLOPE AND FIRE WEATHER ZONE 043 BOWMAN. * WINDS...WEST WINDS 10 TO 20 MPH. EXPECT GUSTS TO 25 MPH AT TIMES THROUGH THE AFTERNOON AND EVENING. * TIMING...TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * TEMPERATURES...HIGH TEMPERATURES 95 TO 100 DEGREES. * IMPACTS...CRITICAL FIRE WEATHER BEHAVIOR IS EXPECTED THIS AFTERNOON THROUGH EARLY TUESDAY EVENING IN SOUTHWEST NORTH DAKOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ JV
203 WWUS83 KBIS 010152 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 852 PM CDT TUE JUL 31 2012 ...RED FLAG WARNING ALLOWED TO EXPIRE FOR SOUTHWEST NORTH DAKOTA... .THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE FOR SOUTHWEST NORTH DAKOTA. CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER OCCURRING. NDZ031-032-040-043-010300- /O.CAN.KBIS.FW.W.0025.000000T0000Z-120801T0200Z/ GOLDEN VALLEY-BILLINGS-SLOPE-BOWMAN- 752 PM MDT TUE JUL 31 2012 ...THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE FOR SOUTHWEST NORTH DAKOTA... CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER OCCURRING. $$ HEINERT
Nearby
Red Flag Warnings in North Dakota, 2012Every red flag warning in 2012
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.