Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 19, NWS Cheyenne, WY

April 5, 2012

NWS Cheyenne, WY issued this red flag warning at Apr 5, 2012, 3:51 PM MDT. It took effect at Apr 6, 2012, 11:00 AM MDT. It was in force for 9 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 5, 2012, 3:51 PM MDT (21:51 UTC)
In effect from
Apr 6, 2012, 11:00 AM MDT
Expired
Apr 6, 2012, 8:00 PM MDT
In force
9 hr
Issued by
NWS Cheyenne, WY

The text

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

576 
WWUS85 KCYS 052151
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
351 PM MDT THU APR 5 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL AFFECT SOUTH
CENTRAL WYOMING THROUGH EARLY THIS EVENING AND SOUTHEAST WYOMING
EAST OF THE LARAMIE RANGE LATE FRIDAY MORNING THROUGH EARLY
FRIDAY EVENING...

.CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE OVER MOST OF SOUTH
CENTRAL WYOMING WEST OF THE LARAMIE RANGE THIS AFTERNOON DUE TO
GUSTY SOUTHERLY WINDS AND LOW HUMIDITY. SIMILAR TYPE CONDITIONS
ARE EXPECTED EAST OF THE LARAMIE RANGE IN SOUTHEAST WYOMING 
LATE FRIDAY MORNING THROUGH EARLY FRIDAY EVENING. RELATIVE
HUMIDITY VALUES AS LOW AS 10 PERCENT ARE EXPECTED FRIDAY AFTERNOON
WITH WEST WINDS GUSTING TO 50 MPH OR MORE IN THE RED FLAG WARNING
AREA.

WYZ301-309-310-060600-
/O.UPG.KCYS.FW.A.0016.120406T1800Z-120407T0200Z/
/O.NEW.KCYS.FW.W.0019.120406T1700Z-120407T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
351 PM MDT THU APR 5 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR SOUTHEAST WYOMING EAST OF THE
LARAMIE RANGE. 

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 8 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT.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 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS BETWEEN 50 AND 60 MPH.

* TIMING...11 AM FRIDAY MORNING THROUGH 8 PM FRIDAY EVENING.

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

* TEMPERATURES...HIGHS IN THE UPPER 50S TO UPPER 60S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES MAY 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  MAY BE POSSIBLE FOR ANY FIRES THAT DO 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.

&&

$$

WYZ303-304-306-308-060100-
/O.CON.KCYS.FW.W.0018.000000T0000Z-120406T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-
351 PM MDT THU APR 5 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE LOWER ELEVATIONS OF
CARBON AND ALBANY COUNTIES...

* AFFECTED AREA...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN 
  CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS...FIRE WEATHER ZONE 
  304 SOUTHWEST CARBON...FIRE WEATHER ZONE 306 UPPER NORTH 
  PLATTE RIVER BASIN AND FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN.

* WINDS...SOUTH 20 TO 25 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THROUGH 7 PM MDT THIS EVENING.

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

* TEMPERATURES...IN THE UPPER 50S TO MID 60S. 

* IMPACTS...WINDY AND DRY WEATHER COMBINED WITH DORMANT GRASSES 
  WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE 
  GROWTH WILL BE POSSIBLE FOR ANY FIRES THAT DO 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.

&&

$$

WEILAND
6 follow-up statements
329 
WWUS85 KCYS 060052
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
652 PM MDT THU APR 5 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL AFFECT SOUTHEAST
WYOMING EAST OF THE LARAMIE RANGE LATE FRIDAY MORNING THROUGH
EARLY FRIDAY EVENING...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED EAST OF THE
LARAMIE RANGE IN SOUTHEAST WYOMING LATE FRIDAY MORNING THROUGH
EARLY FRIDAY EVENING. RELATIVE HUMIDITY VALUES AS LOW AS 10
PERCENT ARE EXPECTED FRIDAY AFTERNOON WITH WEST WINDS GUSTING TO
50 MPH OR MORE IN THIS AREA.

WYZ303-304-306-308-060200-
/O.EXP.KCYS.FW.W.0018.000000T0000Z-120406T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-
652 PM MDT THU APR 5 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITY FOR THE LOWER ELEVATIONS OF CARBON AND
ALBANY COUNTIES...

CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE TO EASE ACROSS THE
LOWER ELEVATIONS OF CARBON AND ALBANY COUNTIES THROUGH THE
EVENING. THEREFORE THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE
AT 7 PM.

$$

WYZ301-309-310-061200-
/O.CON.KCYS.FW.W.0019.120406T1700Z-120407T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
652 PM MDT THU APR 5 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR SOUTHEAST WYOMING EAST
OF THE LARAMIE RANGE...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...SOUTHWEST 30 TO 40 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...11 AM FRIDAY MORNING THROUGH 8 PM FRIDAY EVENING.

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

* TEMPERATURES...HIGHS IN THE UPPER 50S TO UPPER 60S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH WILL
  BE POSSIBLE FOR ANY FIRES THAT DO 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.

&&

$$

HAHN
280 
WWUS85 KCYS 060951
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
351 AM MDT FRI APR 6 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY EAST OF THE LARAMIE RANGE
TODAY AND SATURDAY...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED EAST OF THE
LARAMIE RANGE IN SOUTHEAST WYOMING LATE THIS MORNING THROUGH
EARLY THIS EVENING. RELATIVE HUMIDITY VALUES AS LOW AS 10 PERCENT WITH
WEST WINDS GUSTING TO 50 MPH OR MORE. TEMPERATURES WILL BE COOLER
SATURDAY BUT THE AIRMASS WILL BE VERY DRY WITH HUMIDITY DROPPING
INTO THE TEENS FOR AREAS EAST OF THE LARAMIE RANGE...INCLUDING THE
WESTERN NEBRASKA PANHANDLE. WINDS WILL NOT BE AS STRONG SATURDAY
BUT A FEW GUSTS TO 35 MPH WILL BE POSSIBLE.

WYZ301-309-310-061800-
/O.NEW.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
/O.CON.KCYS.FW.W.0019.120406T1700Z-120407T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
351 AM MDT FRI APR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
SOUTHEAST WYOMING EAST OF THE LARAMIE RANGE...

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
EARLY SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
SOUTHEAST WYOMING EAST OF THE LARAMIE RANGE...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN
EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...SOUTHWEST BECOMING WEST AT 30 TO 45 MPH WITH GUSTS TO
  60 MPH TODAY. NORTHWEST WINDS SATURDAY AT 15 TO 25 MPH WITH
  GUSTS TO 35 MPH.

* TIMING...RED FLAG WARNING 11 AM FRIDAY MORNING THROUGH 8 PM
  FRIDAY EVENING. FIRE WEATHER WATCH NOON SATURDAY THOUGH 8 PM
  SATURDAY EVENING. 

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT FRIDAY AFTERNOON AND
  AGAIN SATURDAY AFTERNOON.

* TEMPERATURES...HIGHS RANGING FROM THE MID 50S TO LOWER 70S THIS
  AFTERNOON. HIGHS SATURDAY IN THE 50S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH WILL
  BE POSSIBLE 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

NEZ311>313-061800-
/O.NEW.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
351 AM MDT FRI APR 6 2012

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
WESTERN NEBRASKA PANHANDLE...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH FOR GUSTY WINDS AND LOW HUMIDITY...IS IN EFFECT
FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING.

* AFFECTED AREA...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 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...

* RELATIVE HUMIDITY...AS LOW AS 10 TO 15 PERCENT.

* TEMPERATURES...HIGHS IN THE 50S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH WILL
  BE POSSIBLE FOR ANY FIRES THAT INITIATE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

LIEBL
998 
WWUS85 KCYS 061630
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1030 AM MDT FRI APR 6 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY EAST OF THE LARAMIE
RANGE TODAY AND SATURDAY...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED EAST OF THE
LARAMIE RANGE IN SOUTHEAST WYOMING LATE THIS MORNING THROUGH
EARLY THIS EVENING. RELATIVE HUMIDITY VALUES AS LOW AS 10 PERCENT
WITH WEST WINDS GUSTING TO 50 MPH OR MORE. TEMPERATURES WILL BE
COOLER SATURDAY BUT THE AIRMASS WILL BE VERY DRY WITH HUMIDITY
DROPPING INTO THE TEENS FOR AREAS EAST OF THE LARAMIE RANGE...
INCLUDING THE WESTERN NEBRASKA PANHANDLE. WINDS WILL NOT BE AS
STRONG SATURDAY BUT A FEW GUSTS TO 35 MPH WILL BE POSSIBLE.

WYZ301-309-310-070000-
/O.CON.KCYS.FW.W.0019.120406T1700Z-120407T0200Z/
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
1030 AM MDT FRI APR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR MUCH OF SOUTHEAST WYOMING.
A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
MUCH OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...WEST 30 TO 40 MPH WITH GUSTS UP TO 65 MPH.

* TIMING...RED FLAG WARNING 11 AM FRIDAY MORNING THROUGH 8 PM 
  FRIDAY EVENING. FIRE WEATHER WATCH NOON SATURDAY THOUGH 8 PM 
  SATURDAY EVENING. 

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* TEMPERATURES...IN THE 50S TO MID 60S. 

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

NEZ311>313-070000-
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
1030 AM MDT FRI APR 6 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
MUCH OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE...

* AFFECTED AREA...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 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...SATURDAY AFTERNOON AND EARLY EVENING.  

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* TEMPERATURES...IN THE MID TO UPPER 50S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE FOR ANY FIRES THAT INITIATE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

WEILAND
322 
WWUS85 KCYS 061830
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1230 PM MDT FRI APR 6 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY EAST OF THE LARAMIE
RANGE TODAY AND SATURDAY...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED EAST OF THE LARAMIE
RANGE IN SOUTHEAST WYOMING THROUGH EARLY THIS EVENING...WITH
RELATIVE HUMIDITY VALUES AS LOW AS 10 PERCENT AND WEST WINDS
GUSTING TO 50 MPH OR HIGHER. TEMPERATURES WILL BE COOLER SATURDAY
BUT THE AIRMASS WILL BE VERY DRY WITH HUMIDITY DROPPING INTO THE
TEENS FOR AREAS EAST OF THE LARAMIE RANGE...INCLUDING THE WESTERN
NEBRASKA PANHANDLE. WINDS WILL NOT BE AS STRONG SATURDAY BUT A FEW
GUSTS TO 35 MPH WILL BE POSSIBLE.

WYZ308-070200-
/O.EXA.KCYS.FW.W.0019.000000T0000Z-120407T0200Z/
LARAMIE VALLEY/SHIRLEY BASIN-
1230 PM MDT FRI APR 6 2012

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR 
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE LARAMIE VALLEY
AND SHIRLEY BASIN...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT UNTIL 8 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY 
  BASIN.

* WINDS...SOUTHWEST 35 TO 45 MPH WITH GUSTS UP TO 65 MPH.

* TIMING...RED FLAG WARNING THROUGH 8 PM THIS EVENING.

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

* TEMPERATURES...50 TO 60 DEGREES.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE 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.

&&

$$

WYZ301-309-310-070200-
/O.CON.KCYS.FW.W.0019.000000T0000Z-120407T0200Z/
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
1230 PM MDT FRI APR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR MUCH OF SOUTHEAST
WYOMING...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR MUCH OF SOUTHEAST WYOMING...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...WEST 30 TO 40 MPH WITH GUSTS UP TO 65 MPH.

* TIMING...RED FLAG WARNING THROUGH 8 PM FRIDAY EVENING. FIRE
  WEATHER WATCH NOON SATURDAY THOUGH 8 PM SATURDAY EVENING.

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

* TEMPERATURES...65 TO 75 DEGREES.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

NEZ311>313-070200-
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
1230 PM MDT FRI APR 6 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR ...

* AFFECTED AREA...FIRE WEATHER ZONE 311 PINE RIDGE/NEBRASKA 
  NATIONAL FOREST/OGALLALA NATIONAL GRASSLANDS...FIRE WEATHER ZONE 
  312 BOX BUTTE/SOUTH SIOUX AND FIRE WEATHER ZONE 313 SCOTTS 
  BLUFF NATIONAL MONUMENT/WILDCAT HILLS.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...SATURDAY AFTERNOON THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* TEMPERATURES...50 TO 60 DEGREES.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE FOR ANY FIRES THAT INITIATE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

WEILAND
596 
WWUS85 KCYS 062109
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
309 PM MDT FRI APR 6 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL CONTINUE EAST OF
THE LARAMIE VALLEY THIS EVENING AND AGAIN SATURDAY...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED EAST OF THE
LARAMIE RANGE IN SOUTHEAST WYOMING THROUGH THIS EVENING...WITH
RELATIVE HUMIDITY VALUES AS LOW AS 10 PERCENT AND WEST WINDS
GUSTING TO 50 MPH OR HIGHER. TEMPERATURES WILL BE COOLER SATURDAY
BUT THE AIRMASS WILL BE VERY DRY WITH HUMIDITY DROPPING INTO THE
TEENS FOR AREAS EAST OF THE LARAMIE RANGE...INCLUDING THE WESTERN
NEBRASKA PANHANDLE. WINDS WILL NOT BE AS STRONG SATURDAY BUT A FEW
GUSTS TO 40 MPH WILL BE POSSIBLE.

WYZ301-309-310-070600-
/O.CON.KCYS.FW.W.0019.000000T0000Z-120407T0200Z/
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
309 PM MDT FRI APR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR SOUTHEAST WYOMING OVER AND
EAST OF THE LARAMIE VALLEY... 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR 
SOUTHEAST WYOMING OVER AND EAST OF THE LARAMIE VALLEY...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...WEST 30 TO 40 MPH WITH GUSTS UP TO 65 MPH.

* TIMING...RED FLAG WARNING THROUGH 8 PM THIS EVENING. FIRE WEATHER
  WATCH NOON SATURDAY THOUGH 8 PM SATURDAY EVENING.

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

* TEMPERATURES...HIGHS IN THE 60S TODAY AND 50S SATURDAY. 

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

WYZ308-070200-
/O.CON.KCYS.FW.W.0019.000000T0000Z-120407T0200Z/
LARAMIE VALLEY/SHIRLEY BASIN-
309 PM MDT FRI APR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE LARAMIE VALLEY AND SHIRLEY
BASIN...

* AFFECTED AREA...FIRE WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY 
  BASIN.

* WINDS...WEST 40 TO 45 MPH WITH GUSTS UP TO 65 MPH.

* TIMING...THROUGH 8 PM THIS EVENING.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* TEMPERATURES...IN THE MID TO UPPER 50S. 

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE 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.

&&

$$

NEZ311>313-070600-
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
309 PM MDT FRI APR 6 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
THE WESTERN NEBRASKA PANHANDLE...

* AFFECTED AREA...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 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...SATURDAY AFTERNOON THROUGH EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* TEMPERATURES...IN THE MID TO UPPER 50S. 

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES WILL 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  WILL BE POSSIBLE FOR ANY FIRES THAT INITIATE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
673 
WWUS85 KCYS 070151
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
751 PM MDT FRI APR 6 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL RETURN EAST OF THE
LARAMIE RANGE AGAIN ON SATURDAY...

.CRITICAL FIRE WEATHER CONDITIONS WILL BE POSSIBLE AGAIN ON
SATURDAY. TEMPERATURES WILL BE COOLER...HOWEVER THE AIRMASS WILL
BE VERY DRY WITH HUMIDITY DROPPING INTO THE TEENS FOR AREAS EAST
OF THE LARAMIE RANGE...INCLUDING THE WESTERN NEBRASKA PANHANDLE.
WINDS WILL NOT BE AS STRONG SATURDAY BUT A FEW GUSTS TO 30 MPH
WILL BE POSSIBLE.

WYZ301-309-310-071200-
/O.EXP.KCYS.FW.W.0019.000000T0000Z-120407T0200Z/
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
751 PM MDT FRI APR 6 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
SOUTHEAST WYOMING OVER AND EAST OF THE LARAMIE RANGE... 
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITY FOR SOUTHEAST WYOMING OVER AND EAST OF THE
LARAMIE VALLEY...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...WEST TO NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 30
  MPH.

* TIMING...NOON SATURDAY THOUGH 8 PM SATURDAY EVENING.

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

* TEMPERATURES...IN THE 50S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES MAY
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH MAY
  BE POSSIBLE FOR ANY FIRES THAT INITIATE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

WYZ308-070300-
/O.EXP.KCYS.FW.W.0019.000000T0000Z-120407T0200Z/
LARAMIE VALLEY/SHIRLEY BASIN-
751 PM MDT FRI APR 6 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE LARAMIE VALLEY AND SHIRLEY
BASIN...

CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE TO EASE ACROSS THE
LOWER ELEVATIONS OF ALBANY COUNTY THROUGH THE EVENING. THEREFORE
THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM.

$$

NEZ311>313-071200-
/O.CON.KCYS.FW.A.0017.120407T1800Z-120408T0200Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
751 PM MDT FRI APR 6 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
WESTERN NEBRASKA PANHANDLE...

* AFFECTED AREA...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 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...NOON SATURDAY THROUGH 8 PM SATURDAY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* TEMPERATURES...IN THE 50S.

* IMPACTS...WINDY DRY WEATHER COMBINED WITH DORMANT GRASSES MAY 
  PRODUCE CRITICAL FIRE WEATHER CONDITIONS. RAPID FIRE GROWTH 
  MAY BE POSSIBLE FOR ANY FIRES THAT INITIATE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

HAHN

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 4, 8:34 PM MDTRed Flag WarningCYS22 hr
Apr 5, 3:09 AM MDTFire Weather WatchCYS13 hr
Apr 5, 3:34 PM MDTHigh Wind WatchCYSAlbany, Carbon, Converse, Laramie, Platte12 hr

Nearby

Red 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.