Alert archive / Nebraska / Red Flag Warnings in 2012

Red Flag Warning 26, NWS Cheyenne, WY

May 21, 2012

NWS Cheyenne, WY issued this red flag warning at May 21, 2012, 3:53 PM CDT. It took effect at May 22, 2012, 12:00 PM CDT. 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
May 21, 2012, 3:53 PM CDT (20:53 UTC)
In effect from
May 22, 2012, 12:00 PM CDT
Expired
May 22, 2012, 8:00 PM CDT
In force
8 hr
Issued by
NWS Cheyenne, WY

The text

As transmitted, in the capitals the NWS used until 2016.

046 
WWUS85 KCYS 212053
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
253 PM MDT MON MAY 21 2012

...RED FLAG WARNING FROM LATE MORNING TO EARLY EVENING TUESDAY
FOR THE LOWER ELEVATIONS OF THE SNOWY AND SOUTHERN LARAMIE
RANGES...

.VERY WARM...DRY AND WINDY WEATHER AHEAD OF A COLD FRONT WILL
AFFECT SOUTHEAST WYOMING ON TUESDAY. FUELS REMAIN DRY ENOUGH 
OVER THE LOWER ELEVATIONS OF THE SOUTHERN LARAMIE RANGE AND
THE SNOWY RANGE TO SUPPORT RAPID FIRE GROWTH. 

WYZ307-309-220500-
/O.UPG.KCYS.FW.A.0021.120522T1700Z-120523T0100Z/
/O.NEW.KCYS.FW.W.0026.120522T1700Z-120523T0100Z/
SNOWY RANGE/MEDICINE BOW NF-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
253 PM MDT MON MAY 21 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT TUESDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 307
AND 309...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 7 PM MDT TUESDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...LOWER ELEVATIONS OF FIRE WEATHER ZONE 307 SNOWY
  RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 309 SOUTH LARAMIE
  RANGE/MEDICINE BOW NF.

* WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES 
  AND CURED SMALL FUELS...MAY PRODUCE CRITICAL 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.

&&

$$

WEILAND
5 follow-up statements
708 
WWUS85 KCYS 212218
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
418 PM MDT MON MAY 21 2012

...RED FLAG WARNING FROM LATE MORNING TO EARLY EVENING TUESDAY
FOR THE LOWER ELEVATIONS OF THE SNOWY AND SOUTHERN LARAMIE
RANGES...

.VERY WARM...DRY AND WINDY WEATHER AHEAD OF A COLD FRONT WILL
AFFECT SOUTHEAST WYOMING AND NEBRASKA PANHANDLE ON TUESDAY. FUELS
REMAIN DRY ENOUGH OVER THE LOWER ELEVATIONS OF THE SOUTHERN
LARAMIE RANGE AND THE SNOWY RANGE TO SUPPORT RAPID FIRE GROWTH.
AFTER COORDINATION WITH THE PANHANDLE FUELS PERSON...IT WAS
DETERMINED FUELS ARE READY IN THE PANHANDLE AS WELL.

NEZ311>313-WYZ301-302-221200-
/O.EXA.KCYS.FW.W.0026.120522T1700Z-120523T0100Z/
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-
418 PM MDT MON MAY 21 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302...
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 11 AM TO 7 PM MDT TUESDAY.

* 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 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 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES 
  AND CURED SMALL FUELS...MAY PRODUCE CRITICAL 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.

&&

$$

WYZ307-309-221200-
/O.CON.KCYS.FW.W.0026.120522T1700Z-120523T0100Z/
SNOWY RANGE/MEDICINE BOW NF-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
418 PM MDT MON MAY 21 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM MDT
TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
307 AND 309...

* AFFECTED AREA...FIRE WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW 
  NF AND FIRE WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW 
  NF.

* WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 7 PERCENT.

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES 
  AND CURED SMALL FUELS...MAY PRODUCE CRITICAL 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.

&&

$$
461 
WWUS85 KCYS 220836
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
236 AM MDT TUE MAY 22 2012

...RED FLAG WARNING FROM LATE MORNING TO EARLY EVENING TODAY...

.VERY WARM...DRY AND WINDY WEATHER AHEAD OF A COLD FRONT WILL
AFFECT SOUTHEAST WYOMING AND NEBRASKA PANHANDLE THIS AFTERNOON.
FUELS REMAIN DRY ENOUGH OVER THE LOWER ELEVATIONS OF THE SOUTHERN
LARAMIE RANGE AND THE SNOWY RANGE TO SUPPORT RAPID FIRE GROWTH.


NEZ311>313-WYZ301-302-307-309-222130-
/O.CON.KCYS.FW.W.0026.120522T1700Z-120523T0100Z/
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-
236 AM MDT TUE MAY 22 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY...

* AFFECTED AREA...FIRE WEATHER ZONE 301...302...307...309 ACROSS
  SOUTHEAST WYOMING. FIRE WEATHER ZONE 311...312...313 OVER 
  WESTERN NEBRASKA.

* WINDS...WEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES
  AND CURED SMALL FUELS...MAY PRODUCE CRITICAL FIRE WEATHER
  CONDITIONS THIS AFTERNOON.

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.

&&

$$
674 
WWUS85 KCYS 221838
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1238 PM MDT TUE MAY 22 2012

...A RED FLAG WARNING CONTINUES THROUGH THE EARLY EVENING FOR
PARTS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE...

.VERY WARM...DRY AND WINDY WEATHER AHEAD OF A COLD FRONT WILL
AFFECT SOUTHEAST WYOMING AND NEBRASKA PANHANDLE THROUGH THE 
EARLY EVENING. GRASSES REMAIN DORMANT AND DRY OVER SOME OF THE
REGION AND COMBINED WITH THE CRITICAL WEATHER WILL SUPPORT LARGE
FIRE GROWTH.

NEZ311>313-WYZ301-302-307-309-230100-
/O.CON.KCYS.FW.W.0026.000000T0000Z-120523T0100Z/
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-
1238 PM MDT TUE MAY 22 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...
302...307...309...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 NF...FIRE 
  WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW NF...FIRE WEATHER 
  ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF...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 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT.

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES 
  AND CURED SMALL FUELS...MAY PRODUCE CRITICAL FIRE WEATHER 
  CONDITIONS THIS AFTERNOON. 

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.

&&

$$

WEILAND
823 
WWUS85 KCYS 222014
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
214 PM MDT TUE MAY 22 2012

...A RED FLAG WARNING CONTINUES THROUGH THE EARLY EVENING FOR
MUCH OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE...

.VERY WARM...DRY AND WINDY WEATHER AHEAD OF A COLD FRONT WILL
AFFECT MUCH OF SOUTHEAST WYOMING AND NEBRASKA PANHANDLE THROUGH
THE EARLY EVENING. GRASSES REMAIN DORMANT AND DRY OVER SOME OF THE
REGION AND COMBINED WITH THE CRITICAL WEATHER WILL SUPPORT LARGE
FIRE GROWTH.

WYZ310-230100-
/O.EXA.KCYS.FW.W.0026.000000T0000Z-120523T0100Z/
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
214 PM MDT TUE MAY 22 2012

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 310...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 7 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL 
  AND EASTERN LARAMIE.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 5 PERCENT.

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES 
  AND CURED SMALL FUELS...MAY PRODUCE CRITICAL FIRE WEATHER 
  CONDITIONS THIS AFTERNOON. 

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.

&&

$$

NEZ311>313-WYZ301-302-307-309-230100-
/O.CON.KCYS.FW.W.0026.000000T0000Z-120523T0100Z/
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-
214 PM MDT TUE MAY 22 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...
302...307...309...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 NF...FIRE 
  WEATHER ZONE 307 SNOWY RANGE/MEDICINE BOW NF...FIRE WEATHER 
  ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF...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 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 7 PERCENT.

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES 
  AND CURED SMALL FUELS...MAY PRODUCE CRITICAL FIRE WEATHER 
  CONDITIONS THIS AFTERNOON. 

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.

&&

$$

WEILAND
867 
WWUS85 KCYS 230058
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
658 PM MDT TUE MAY 22 2012

NEZ311>313-WYZ301-302-307-309-310-230200-
/O.EXP.KCYS.FW.W.0026.000000T0000Z-120523T0100Z/
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-
658 PM MDT TUE MAY 22 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302...
307...309...310...311...312 AND 313...

FALLING TEMPERATURES AND IMPROVING RELATIVE HUMIDITIES HAVE
COMBINED WITH DECREASING WINDS TO BRING AN END TO CRITICAL FIRE
WEATHER CONDITIONS ACROSS THE AREA. THEREFORE...THE RED FLAG
WARNING WILL BE ALLOWED TO EXPIRE AT 7 PM.

$$

HAHN

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.