Alert archive / Nebraska / Red Flag Warnings in 2012
Red Flag Warning 24, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Apr 23, 2012, 9:47 PM CDT. It took effect at Apr 24, 2012, 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
- Apr 23, 2012, 9:47 PM CDT (02:47 UTC)
- In effect from
- Apr 24, 2012, 1:00 PM CDT
- Expired
- Apr 24, 2012, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted, in the capitals the NWS used until 2016.
058 WWUS85 KCYS 240247 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 847 PM MDT MON APR 23 2012 ...RED FLAG WARNING FOR TUESDAY AFTERNOON FOR AREAS ALONG AND EAST OF THE LARAMIE RANGE FOR GUSTY WINDS AND LOW HUMIDITIES... .AN UPPER LEVEL DISTURBANCE IS FORECAST TO MOVE THROUGH A RIDGE OF HIGH PRESSURE INTO MONTANA TUESDAY...WHICH WILL INCREASE MID LEVEL WINDS ACROSS SOUTHEAST WYOMING AND NEBRASKA PANHANDLE DURING THE AFTERNOON. RECORD HIGH TEMPERATURES ARE EXPECTED TUESDAY WHICH WILL ALLOW STRONGER WINDS TO MIX DOWN TO THE SURFACE DURING THE AFTERNOON. THE COMBINATION OF RECORD TEMPERATURES...GUSTY WEST TO NORTHWEST WINDS AND AFTERNOON HUMIDITIES AROUND 10 PERCENT WILL CREATE CRITICAL FIRE WEATHER CONDITIONS TUESDAY AFTERNOON. ADDITIONALLY...ACROSS CONVERSE AND NIOBRARA COUNTIES IN SOUTHEAST WYOMING AS WELL AS THE NORTHERN NEBRASKA PANHANDLE...THERE EXISTS THE POSSIBILITY OF DRY THUNDERSTORMS THAT WILL CREATE ERRATIC DOWN BURST WINDS THROUGH SUNSET TUESDAY. NEZ311>313-WYZ301-302-307-309-310-241100- /O.UPG.KCYS.FW.A.0020.120424T1800Z-120425T0100Z/ /O.NEW.KCYS.FW.W.0024.120424T1800Z-120425T0100Z/ PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS- BOX BUTTE/SOUTH SIOUX- SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS- NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF- SNOWY RANGE/MEDICINE BOW NF-SOUTH LARAMIE RANGE/MEDICINE BOW NF- PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE- 847 PM MDT MON APR 23 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302... 307...309...310...311...312 AND 313... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 7 PM MDT TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE...FIRE WEATHER ZONE 311 PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS...FIRE WEATHER ZONE 312 BOX BUTTE/SOUTH SIOUX AND FIRE WEATHER ZONE 313 SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS. * WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * LIGHTNING...ISOLATED TO WIDELY SCATTERED AFTERNOON DRY THUNDERSTORMS ARE POSSIBLE ACROSS CONVERSE AND NIOBRARA COUNTIES IN SOUTHEAST WYOMING AS WELL AS THE NORTHERN NEBRASKA PANHANDLE ON TUESDAY AFTERNOON. * IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH MAY OCCUR FOR ANY FIRES THAT INITIATE. 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. && $$ FINCH
3 follow-up statements
958 WWUS85 KCYS 240838 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 238 AM MDT TUE APR 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FOR THIS AFTERNOON AND EARLY EVENING FOR MUCH OF SOUTHEAST WYOMING... .AN UPPER LEVEL DISTURBANCE IS FORECAST TO MOVE EAST ACROSS MONTANA TODAY...WHICH WILL INCREASE MID LEVEL WINDS ACROSS WYOMING AND WESTERN NEBRASKA THIS AFTERNOON. RECORD HIGH TEMPERATURES IN THE 80S TO LOWER 90S ARE FORECAST THIS AFTERNOON FOR THE PLAINS. THESE WARM TEMPERATURES WILL ALLOW STRONGER MID LEVEL WINDS TO TRANSPORT DOWN TO THE SURFACE. THE COMBINATION OF THE WARM TEMPERATURES...GUSTY WESTERLY WINDS AND MINIMUM RELATIVE HUMIDITIES AS LOW AS 10 PERCENT WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EARLY EVENING. THERE IS THE POTENTIAL FOR DRY LIGHTNING FOR THE HIGHER ELEVATIONS OF CONVERSE COUNTY THAT MAY CREATE ERRATIC DOWNBURST WINDS THROUGH SUNSET TUESDAY. NEZ311>313-WYZ301-302-307-309-310-250100- /O.CON.KCYS.FW.W.0024.120424T1800Z-120425T0100Z/ PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS- BOX BUTTE/SOUTH SIOUX- SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS- NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF- SNOWY RANGE/MEDICINE BOW NF-SOUTH LARAMIE RANGE/MEDICINE BOW NF- PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE- 238 AM MDT TUE APR 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302...307...309...310...311...312 AND 313... * AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NATIONAL FOREST...FIRE WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW NATIONAL FOREST...FIRE WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NATIONAL FOREST...FIRE WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE...FIRE WEATHER ZONE 311 PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS...FIRE WEATHER ZONE 312 BOX BUTTE/SOUTH SIOUX...AND FIRE WEATHER ZONE 313 SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS. * WINDS...WEST TO NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * LIGHTNING...ISOLATED DRY THUNDERSTORMS WILL BE POSSIBLE ACROSS THE HIGHER ELEVATIONS OF CONVERSE COUNTY THIS AFTERNOON. * IMPACTS...WINDY AND DRY CONDITIONS COMBINED WITH DORMANT GRASSES WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH MAY OCCUR FOR ANY FIRES THAT START. 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. && $$ JAMSKI
541 WWUS85 KCYS 240909 CCA RFWCYS URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 308 AM MDT TUE APR 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FOR THIS AFTERNOON AND EARLY EVENING FOR MUCH OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE... .AN UPPER LEVEL DISTURBANCE IS FORECAST TO MOVE EAST ACROSS MONTANA TODAY...WHICH WILL INCREASE MID LEVEL WINDS ACROSS WYOMING AND WESTERN NEBRASKA THIS AFTERNOON. RECORD HIGH TEMPERATURES IN THE 80S TO LOWER 90S ARE FORECAST THIS AFTERNOON FOR THE PLAINS. THESE WARM TEMPERATURES WILL ALLOW STRONGER MID LEVEL WINDS TO TRANSPORT DOWN TO THE SURFACE. THE COMBINATION OF THE WARM TEMPERATURES...GUSTY WESTERLY WINDS AND MINIMUM RELATIVE HUMIDITIES AS LOW AS 10 PERCENT WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EARLY EVENING. THERE IS THE POTENTIAL FOR DRY LIGHTNING FOR THE HIGHER ELEVATIONS OF CONVERSE COUNTY THAT MAY CREATE ERRATIC DOWNBURST WINDS THROUGH SUNSET TUESDAY. NEZ311>313-WYZ301-302-307-309-310-250100- /O.CON.KCYS.FW.W.0024.120424T1800Z-120425T0100Z/ PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS- BOX BUTTE/SOUTH SIOUX- SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS- NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF- SNOWY RANGE/MEDICINE BOW NF-SOUTH LARAMIE RANGE/MEDICINE BOW NF- PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE- 308 AM MDT TUE APR 24 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302...307...309...310...311...312 AND 313... * AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NATIONAL FOREST...FIRE WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW NATIONAL FOREST...FIRE WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NATIONAL FOREST...FIRE WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE...FIRE WEATHER ZONE 311 PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS...FIRE WEATHER ZONE 312 BOX BUTTE/SOUTH SIOUX...AND FIRE WEATHER ZONE 313 SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS. * WINDS...WEST TO NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * LIGHTNING...ISOLATED DRY THUNDERSTORMS WILL BE POSSIBLE ACROSS THE HIGHER ELEVATIONS OF CONVERSE COUNTY THIS AFTERNOON. * IMPACTS...WINDY AND DRY CONDITIONS COMBINED WITH DORMANT GRASSES WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH MAY OCCUR FOR ANY FIRES THAT START. 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. && $$ JAMSKI
205 WWUS85 KCYS 250106 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 706 PM MDT TUE APR 24 2012 ...RED FLAG WARNING HAS EXPIRED FOR AREAS ALONG AND EAST OF THE LARAMIE RANGE... .WINDS HAVE BEGUN TO DIMINISH THIS EVENING AND RELATIVE HUMIDITY VALUES HAVE RISEN ABOVE 15 PERCENT. AS A RESULT...THE RED FLAG WARNING FOR AREAS ALONG AND EAST OF THE LARAMIE RANGE HAS EXPIRED. NEZ311>313-WYZ301-302-307-309-310-250215- /O.EXP.KCYS.FW.W.0024.000000T0000Z-120425T0100Z/ PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS- BOX BUTTE/SOUTH SIOUX- SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS- NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF- SNOWY RANGE/MEDICINE BOW NF-SOUTH LARAMIE RANGE/MEDICINE BOW NF- PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE- 706 PM MDT TUE APR 24 2012 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302...307...309...310... 311...312 AND 313... COOLER TEMPERATURES THIS EVENING HAVE ALLOWED RELATIVE HUMIDITY VALUES TO RISE ABOVE 15 PERCENT FOR MOST AREAS ALONG AND EAST OF THE LARAMIE RANGE. IN ADDITION...WEST TO NORTHWEST WINDS HAVE WEAKENED WITH THE LOSS OF DAYTIME MIXING. THE CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER OCCURRING. $$ FINCH
Nearby
Red Flag Warnings in Nebraska, 2012Red Flag Warnings in Wyoming, 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.