Alert archive / North Dakota / Red Flag Warnings in 2011
Red Flag Warning 4, NWS Bismarck, ND
NWS Bismarck, ND issued this red flag warning at Sep 28, 2011, 2:09 AM MDT for 11 counties in North Dakota. It took effect at Sep 28, 2011, 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
- Sep 28, 2011, 2:09 AM MDT (08:09 UTC)
- In effect from
- Sep 28, 2011, 12:00 PM MDT
- Expired
- Sep 28, 2011, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Bismarck, ND
Counties Adams County, ND, Billings County, ND, Bowman County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McKenzie County, ND, Sioux County, ND, Slope County, ND, Stark County, ND
The radar
The Bismarck radar (KBIS), 154 km from the middle of the area, began a volume at 08:09 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, 8.2 hours before the alert went out and 159 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
- 2677 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
444 WWUS83 KBIS 280809 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 309 AM CDT WED SEP 28 2011 ...RED FLAG WARNING WEDNESDAY AFTERNOON AND EARLY EVENING FOR MOST OF WESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... .STRONG NORTHWEST WINDS SUSTAINED BETWEEN 25 AND 30 MPH WITH GUSTS TO 40 MPH WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH EARLY WEDNESDAY EVENING. MINIMUM AFTERNOON HUMIDITIES WILL MAINLY RANGE BETWEEN 20 AND 25 PERCENT. THE COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITIES...AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MOST OF WESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING. THUS A RED FLAG WARNING HAS BEEN ISSUED. NDZ001-009-280915- /O.CAN.KBIS.FW.A.0004.110928T1600Z-110929T0300Z/ DIVIDE-WILLIAMS- 309 AM CDT WED SEP 28 2011 ...FIRE WEATHER WATCH IS CANCELLED FOR STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION FOR FIRE WEATHER ZONES 001 AND 009... THE NATIONAL WEATHER SERVICE IN BISMARCK HAS CANCELLED THE FIRE WEATHER WATCH. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN NORTH DAKOTA...1...9 MINIMUM RELATIVE HUMIDITIES WHEN COMBINED WITH THE WINDS AND CURRENT PERCENT GREENS YIELD LESS THAN FAVORABLE CONDITIONS FOR EXPLOSIVE FIRE WEATHER GROWTH. $$ NDZ017-018-031>033-040-041-043-044-281800- /O.UPG.KBIS.FW.A.0004.110928T1600Z-110929T0300Z/ /O.NEW.KBIS.FW.W.0004.110928T1800Z-110929T0200Z/ MCKENZIE-DUNN-GOLDEN VALLEY-BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN- ADAMS- 309 AM CDT WED SEP 28 2011 /209 AM MDT WED SEP 28 2011/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION FOR FIRE WEATHER ZONES 017...018...031...032...033...040... 041...043 AND 044... THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN NORTH DAKOTA...17...18...31...32...33...40...41...43 ...44 * STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH GUSTS UP TO 40 MPH WILL DEVELOP THIS AFTERNOON INTO EARLY WEDNESDAY EVENING. * MINIMUM RELATIVE HUMIDITIES BETWEEN 20 AND 25 PERCENT WILL COINCIDE WITH THE STRONG WINDS. * THE COMBINATION OF THE STRONG WINDS...LOW RELATIVE HUMIDITIES...AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ NDZ042-045-281800- /O.NEW.KBIS.FW.W.0004.110928T1800Z-110929T0200Z/ GRANT-SIOUX- 309 AM CDT WED SEP 28 2011 /209 AM MDT WED SEP 28 2011/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION FOR FIRE WEATHER ZONES 042 AND 045... THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 9 PM CDT /8 PM MDT/ THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN NORTH DAKOTA...42...45 * STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH GUSTS UP TO 40 MPH WILL DEVELOP THIS AFTERNOON INTO EARLY WEDNESDAY EVENING. * MINIMUM RELATIVE HUMIDITIES BETWEEN 20 AND 25 PERCENT WILL COINCIDE WITH THE STRONG WINDS. * THE COMBINATION OF THE STRONG WINDS...LOW RELATIVE HUMIDITIES...AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE 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/RK/LTH
3 follow-up statements
848 WWUS83 KBIS 281644 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 1144 AM CDT WED SEP 28 2011 ...RED FLAG WARNING WEDNESDAY AFTERNOON AND EARLY EVENING FOR MOST OF WESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... .STRONG NORTHWEST WINDS SUSTAINED BETWEEN 20 AND 30 MPH WITH GUSTS TO 35 MPH WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH EARLY WEDNESDAY EVENING. MINIMUM AFTERNOON HUMIDITY WILL MAINLY RANGE BETWEEN 20 AND 25 PERCENT. THE COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MOST OF WESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING. A RED FLAG WARNING CONTINUES THROUGH 9 PM CDT. NDZ017-018-031>033-040>045-290200- /O.CON.KBIS.FW.W.0004.110928T1800Z-110929T0200Z/ MCKENZIE-DUNN-GOLDEN VALLEY-BILLINGS-STARK-SLOPE-HETTINGER-GRANT- BOWMAN-ADAMS-SIOUX- 1144 AM CDT WED SEP 28 2011 /1044 AM MDT WED SEP 28 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION FOR FIRE WEATHER ZONES 017...018...031...032...033... 040... 041...043 AND 044... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN NORTH DAKOTA...17...18...31...32...33...40...41...42 ...43...44...45 * STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH GUSTS UP TO 35 MPH WILL DEVELOP THIS AFTERNOON INTO EARLY WEDNESDAY EVENING. * MINIMUM RELATIVE HUMIDITY BETWEEN 20 AND 25 PERCENT WILL COINCIDE WITH THE STRONG WINDS. * THE COMBINATION OF THE STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE 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. && $$ WAA
542 WWUS83 KBIS 282037 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 337 PM CDT WED SEP 28 2011 ...RED FLAG WARNING CONTINUES LATE WEDNESDAY AFTERNOON AND EARLY EVENING FOR MOST OF WESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... .NORTHWEST WINDS SUSTAINED BETWEEN 20 AND 30 MPH WITH GUSTS TO 35 MPH WILL CONTINUE WEDNESDAY AFTERNOON AND EARLY WEDNESDAY EVENING. MINIMUM AFTERNOON HUMIDITY WILL MAINLY RANGE BETWEEN 20 AND 25 PERCENT. THE COMBINATION OF WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS MOST OF WESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA THIS AFTERNOON AND EARLY EVENING. A RED FLAG WARNING CONTINUES THROUGH 9 PM CDT. NDZ017-018-031>033-040>045-290200- /O.CON.KBIS.FW.W.0004.000000T0000Z-110929T0200Z/ MCKENZIE-DUNN-GOLDEN VALLEY-BILLINGS-STARK-SLOPE-HETTINGER-GRANT- BOWMAN-ADAMS-SIOUX- 337 PM CDT WED SEP 28 2011 /237 PM MDT WED SEP 28 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION FOR FIRE WEATHER ZONES 017...018...031...032...033... 040... 041...043 AND 044... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN NORTH DAKOTA...17...18...31...32...33...40...41...42 ...43...44...45 * STRONG NORTHWEST WINDS OF 25 TO 30 MPH WITH GUSTS UP TO 35 MPH WEDNESDAY AFTERNOON INTO EARLY WEDNESDAY EVENING. * MINIMUM RELATIVE HUMIDITY BETWEEN 20 AND 25 PERCENT WILL COINCIDE WITH THE STRONG WINDS. * THE COMBINATION OF THE STRONG WINDS...LOW RELATIVE HUMIDITY... AND DRY VEGETATION WILL PRODUCE CRITICAL FIRE 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. && $$
664 WWUS83 KBIS 290154 RFWBIS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE BISMARCK ND 854 PM CDT WED SEP 28 2011 ...RED FLAG WARNING WILL BE ALLOWED TO EXPIRE FOR MOST OF WESTERN AND PORTIONS OF SOUTH CENTRAL NORTH DAKOTA... .DECREASING NORTHWESTERLY WINDS COMBINED WITH INCREASING RELATIVE HUMIDITY VALUES HAVE ALLOWED FIRE WEATHER CONDITIONS TO FALL BELOW CRITICAL LEVELS. AS A RESULT...THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. NDZ017-018-031>033-040>045-290300- /O.EXP.KBIS.FW.W.0004.000000T0000Z-110929T0200Z/ MCKENZIE-DUNN-GOLDEN VALLEY-BILLINGS-STARK-SLOPE-HETTINGER-GRANT- BOWMAN-ADAMS-SIOUX- 854 PM CDT WED SEP 28 2011 /754 PM MDT WED SEP 28 2011/ ...RED FLAG WARNING WILL EXPIRE AT 9 PM CDT /8 PM MDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY VEGETATION FOR FIRE WEATHER ZONES 017...018...031...032...033... 040... 041...043 AND 044... THE RED FLAG WARNING WILL EXPIRE AT 9 PM CDT /8 PM MDT/ THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN NORTH DAKOTA...17...18...31...32...33...40...41...42 ...43...44...45 DECREASING NORTHWESTERLY WINDS COMBINED WITH INCREASING RELATIVE HUMIDITY VALUES HAVE ALLOWED FIRE WEATHER CONDITIONS TO FALL BELOW CRITICAL LEVELS. AS A RESULT...THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. $$ TM
Nearby
Red Flag Warnings in North Dakota, 2011Every red flag warning in 2011
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.