Alert archive / North Dakota / Red Flag Warnings in 2012
Red Flag Warning 43, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Sep 21, 2012, 2:46 AM MDT for 12 counties in North Dakota. It took effect at Sep 21, 2012, 12:00 PM MDT. 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
- Sep 21, 2012, 2:46 AM MDT (08:46 UTC)
- In effect from
- Sep 21, 2012, 12:00 PM MDT
- Expired
- Sep 21, 2012, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Bowman County, ND, Dunn County, ND, Grant County, ND, Hettinger County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Sioux County, ND, Slope County, ND, Stark County, ND
The radar
The Bismarck radar (KBIS), 105 km from the middle of the area, began a volume at 08:49 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, 8.8 hours before the alert went out and 110 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
- 2441 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 336 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
544 WWUS83 KBIS 210846 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 346 AM CDT FRI SEP 21 2012 ...RED FLAG WARNING FRIDAY AFTERNOON INTO EARLY FRIDAY EVENING SOUTHWEST AND PORTIONS OF CENTRAL NORTH DAKOTA... .A COLD FRONT OVER SOUTHERN CANADA WILL SAG SOUTH FRIDAY AFTERNOON THROUGH FRIDAY EVENING. GUSTY NORTHWEST WINDS COMBINED WITH LOW RELATIVE HUMIDITIES AND VERY HIGH GRASSLAND FIRE DANGER INDICES WILL RESULT IN EXPLOSIVE FIRE GROWTH IN SOUTHWEST AND PORTIONS OF CENTRAL NORTH DAKOTA FRIDAY AFTERNOON AND EARLY FRIDAY EVENING. EXPECT SUSTAINED NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 35 MPH ALONG WITH MINIMUM RELATIVE HUMIDITIES AROUND 20 PERCENT. HIGH TEMPERATURES WILL BE IN THE 60S. NDZ040-041-043-044-211700- /O.UPG.KBIS.FW.A.0032.120921T1800Z-120922T0100Z/ /O.NEW.KBIS.FW.W.0043.120921T1800Z-120922T0100Z/ SLOPE-HETTINGER-BOWMAN-ADAMS- 246 AM MDT FRI SEP 21 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITIES...AND CONTINUED DRY VEGETATION... THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A RED FLAG WARNING FOR STRONG WINDS...LOW RELATIVE HUMIDITIES...AND CONTINUED DRY VEGETATION...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 040 SLOPE...FIRE WEATHER ZONE 041 HETTINGER...FIRE WEATHER ZONE 043 BOWMAN AND FIRE WEATHER ZONE 044 ADAMS. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 35 MPH. * TIMING...FRIDAY AFTERNOON AND EARLY EVENING. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * TEMPERATURES...IN THE UPPER 60S. * LIGHTNING...NONE * IMPACTS...DANGEROUS FIRE WEATHER CONDITIONS. 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. && $$ NDZ018>021-033-034-042-045-211700- /O.NEW.KBIS.FW.W.0043.120921T1800Z-120922T0100Z/ DUNN-MERCER-OLIVER-MCLEAN-STARK-MORTON-GRANT-SIOUX- 346 AM CDT FRI SEP 21 2012 /246 AM MDT FRI SEP 21 2012/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITIES...AND CONTINUED DRY VEGETATION... * AFFECTED AREA...FIRE WEATHER ZONE 018 DUNN...FIRE WEATHER ZONE 019 MERCER...FIRE WEATHER ZONE 020 OLIVER...FIRE WEATHER ZONE 021 MCLEAN...FIRE WEATHER ZONE 033 STARK...FIRE WEATHER ZONE 034 MORTON...FIRE WEATHER ZONE 042 GRANT AND FIRE WEATHER ZONE 045 SIOUX. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 35 MPH. * TIMING...FRIDAY AFTERNOON AND EARLY EVENING. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * TEMPERATURES...IN THE MID 60S. * LIGHTNING...NONE * IMPACTS...DANGEROUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ KS
3 follow-up statements
920 WWUS83 KBIS 211627 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 1127 AM CDT FRI SEP 21 2012 ...RED FLAG WARNING FRIDAY AFTERNOON INTO EARLY FRIDAY EVENING SOUTHWEST AND PORTIONS OF CENTRAL NORTH DAKOTA... .A COLD FRONT OVER SOUTHERN CANADA WILL SAG SOUTH THIS AFTERNOON THROUGH THIS EVENING. GUSTY NORTHWEST WINDS...COMBINED WITH LOW RELATIVE HUMIDITIES AND VERY HIGH GRASSLAND FIRE DANGER INDICES... WILL RESULT IN EXPLOSIVE FIRE GROWTH IN SOUTHWEST AND PORTIONS OF CENTRAL NORTH DAKOTA THROUGH THIS EVENING. EXPECT SUSTAINED NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ALONG WITH MINIMUM RELATIVE HUMIDITIES AROUND 20 PERCENT. HIGH TEMPERATURES WILL BE IN THE 60S. NDZ018>021-033-034-040>045-220030- /O.CON.KBIS.FW.W.0043.120921T1800Z-120922T0100Z/ DUNN-MERCER-OLIVER-MCLEAN-STARK-MORTON-SLOPE-HETTINGER-GRANT- BOWMAN-ADAMS-SIOUX- 1127 AM CDT FRI SEP 21 2012 /1027 AM MDT FRI SEP 21 2012/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITIES...AND CONTINUED DRY VEGETATION... * AFFECTED AREA...FIRE WEATHER ZONE 018 DUNN...FIRE WEATHER ZONE 019 MERCER...FIRE WEATHER ZONE 020 OLIVER...FIRE WEATHER ZONE 021 MCLEAN...FIRE WEATHER ZONE 033 STARK...FIRE WEATHER ZONE 034 MORTON...FIRE WEATHER ZONE 040 SLOPE...FIRE WEATHER ZONE 041 HETTINGER...FIRE WEATHER ZONE 042 GRANT...FIRE WEATHER ZONE 043 BOWMAN...FIRE WEATHER ZONE 044 ADAMS AND FIRE WEATHER ZONE 045 SIOUX. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * TIMING...FRIDAY AFTERNOON AND EARLY EVENING. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * TEMPERATURES...IN THE MID 60S. * LIGHTNING...NONE * IMPACTS...DANGEROUS FIRE WEATHER CONDITIONS. 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. && $$ TWH
385 WWUS83 KBIS 212046 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 346 PM CDT FRI SEP 21 2012 ...RED FLAG WARNING INTO EARLY THIS EVENING SOUTHWEST AND PORTIONS OF CENTRAL NORTH DAKOTA... .A COLD FRONT OVER NORTHERN NORTH DAKOTA WILL SAG SOUTH THIS AFTERNOON THROUGH THIS EVENING. GUSTY NORTHWEST WINDS...COMBINED WITH LOW RELATIVE HUMIDITIES AND VERY HIGH GRASSLAND FIRE DANGER INDICES...WILL RESULT IN EXPLOSIVE FIRE GROWTH POTENTIAL OVER THE WARNING AREA. EXPECT SUSTAINED NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ALONG WITH MINIMUM RELATIVE HUMIDITIES AROUND 20 PERCENT. HIGH TEMPERATURES WILL BE IN THE 60S TO LOWER 70S. NDZ018>021-033-034-040>045-220100- /O.CON.KBIS.FW.W.0043.000000T0000Z-120922T0100Z/ DUNN-MERCER-OLIVER-MCLEAN-STARK-MORTON-SLOPE-HETTINGER-GRANT- BOWMAN-ADAMS-SIOUX- 346 PM CDT FRI SEP 21 2012 /246 PM MDT FRI SEP 21 2012/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITIES...AND CONTINUED DRY VEGETATION... * AFFECTED AREA...FIRE WEATHER ZONE 018 DUNN...FIRE WEATHER ZONE 019 MERCER...FIRE WEATHER ZONE 020 OLIVER...FIRE WEATHER ZONE 021 MCLEAN...FIRE WEATHER ZONE 033 STARK...FIRE WEATHER ZONE 034 MORTON...FIRE WEATHER ZONE 040 SLOPE...FIRE WEATHER ZONE 041 HETTINGER...FIRE WEATHER ZONE 042 GRANT...FIRE WEATHER ZONE 043 BOWMAN...FIRE WEATHER ZONE 044 ADAMS AND FIRE WEATHER ZONE 045 SIOUX. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * TIMING...FRIDAY AFTERNOON AND EARLY EVENING. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * TEMPERATURES...IN THE UPPER 60S. * LIGHTNING...NONE * IMPACTS...DANGEROUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ TWH
535 WWUS83 KBIS 220053 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 753 PM CDT FRI SEP 21 2012 ...THREAT FOR RAPID FIRE GROWTH DIMINISHING THIS EVENING... .CRITICAL FIRE WEATHER CONDITIONS ARE ENDING THIS EVENING. THE RED FLAG WARNING IN EFFECT FOR PORTIONS OF CENTRAL THROUGH SOUTHWEST NORTH DAKOTA WILL BE ALLOWED TO EXPIRE AT 8 PM CDT. NDZ018>021-033-034-040>045-220200- /O.EXP.KBIS.FW.W.0043.000000T0000Z-120922T0100Z/ DUNN-MERCER-OLIVER-MCLEAN-STARK-MORTON-SLOPE-HETTINGER-GRANT- BOWMAN-ADAMS-SIOUX- 753 PM CDT FRI SEP 21 2012 /653 PM MDT FRI SEP 21 2012/ ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT /7 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITIES...AND CONTINUED DRY VEGETATION... A NORTH WIND WILL CONTINUE TO DIMINISH THIS EVENING...THEN TURN NORTHEAST AND EASTERLY THROUGH LATE EVENING AND OVERNIGHT. CRITICAL FIRE WEATHER CONDITIONS ARE NOT EXPECTED OVERNIGHT. HOWEVER...WIND SHIFTS MAY COMPLICATE EFFORTS TO SUPPRESS ONGOING FIRES ACROSS WESTERN NORTH DAKOTA. $$ RK
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 2:33 AM MDT | Freeze Warning | BIS | Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 26 more | 31 hr |
| Sep 21, 9:29 AM MDT | Wind Advisory | BIS | Dickey, Foster, LaMoure, Pierce, Rolette, Stutsman and 1 more | 10 hr |
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.