Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 14, NWS Cheyenne, WY

March 29, 2012

NWS Cheyenne, WY issued this red flag warning at Mar 29, 2012, 1:08 PM MDT. It was in force for 5 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: Mar 29, 2012, 1:08 PM MDT (19:08 UTC)
Expired: Mar 29, 2012, 6:00 PM MDT
In force: 5 hr
Issued by: NWS Cheyenne, WY

The text

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

098 
WWUS85 KCYS 291909
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
108 PM MDT THU MAR 29 2012

...GUSTY WINDS AND LOW HUMIDITY THROUGH THIS AFTERNOON...

.WINDS GUSTING OVER 30 MPH WITH RELATIVE HUMIDITY 10 TO 15 PERCENT 
WILL PRODUCE CRITICAL FIRE CONDITIONS THROUGH THIS AFTERNOON. WINDS
WILL DECREASE THIS EVENING AND HUMIDITY WILL RECOVER. 

WYZ309-310-300000-
/O.NEW.KCYS.FW.W.0014.120329T1908Z-120330T0000Z/
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
108 PM MDT THU MAR 29 2012

...RED FLAG WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR LOW
HUMIDITY AND GUSTY WINDS FOR PORTIONS OF SOUTHEAST WYOMING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR LOW HUMIDITY AND GUSTY WINDS IS IN EFFECT UNTIL 6 PM
MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 310 
  PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...THROUGH 6 PM THIS AFTERNOON.

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

* TEMPERATURES...60 TO 65.

* 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.

&&

$$
LIEBL

2 follow-up statements

710 
WWUS85 KCYS 292115
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
315 PM MDT THU MAR 29 2012

...GUSTY WINDS AND LOW HUMIDITY THROUGH THIS AFTERNOON...

.WINDS GUSTING OVER 30 MPH WITH RELATIVE HUMIDITY 10 TO
15 PERCENT WILL PRODUCE CRITICAL FIRE CONDITIONS THROUGH THIS
AFTERNOON. WINDS WILL DECREASE THIS EVENING AND HUMIDITY WILL
RECOVER. WARMER AIR WILL MOVE INTO THE AREA TOMORROW WHILE LOW
LEVEL MOISTURE WILL BE LACKING. THIS WILL ALLOW FOR HUMIDITY VALUES
TO DROP TO AROUND 15 PERCENT FRIDAY AFTERNOON WHILE WESTERLY WINDS
WILL GUSTS TO 25 TO 35 MPH ACROSS SOUTHEAST WYOMING AND THE
WESTERN NEBRASKA PANHANDLE. 

WYZ309-310-300515-
/O.NEW.KCYS.FW.A.0012.120330T1800Z-120331T0200Z/
/O.CON.KCYS.FW.W.0014.000000T0000Z-120330T0000Z/
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
315 PM MDT THU MAR 29 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR LOW HUMIDITY AND GUSTY WINDS FOR PORTIONS OF SOUTHEAST
WYOMING...

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

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

* AFFECTED AREA...FIRE WEATHER ZONES 309 AND 310 WHICH COVER
  PORTIONS OF SOUTHEAST WYOMING.

* WINDS...WEST WINDS DECREASING TO 5 TO 15 MPH THING EVENING THEN
  INCREASING TO 15 TO 25 MPH WITH GUSTS UP TO 35 MPH FRIDAY 
  AFTERNOON.

* TIMING...RED FLAG WARNING THROUGH 6 PM THIS AFTERNOON. FIRE
  WEATHER WATCH FRIDAY AFTERNOON THROUGH EARLY FRIDAY EVENING. 

* RELATIVE HUMIDITY...INCREASING TO 50 PERCENT TONIGHT BUT
  DECREASING TO AROUND 15 PERCENT FRIDAY AFTERNOON.

* TEMPERATURES...DROPPING INTO THE 40S TONIGHT BUT INCREASING
  INTO THE 70 FRIDAY AFTERNOON.

* 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.

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-WYZ301-300515-
/O.NEW.KCYS.FW.A.0012.120330T1800Z-120331T0200Z/
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-
315 PM MDT THU MAR 29 2012

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF 
SOUTHEAST WYOMING AND 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 FRIDAY AFTERNOON THROUGH FRIDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 301 AND ZONES 311 THROUGH 313
  WHICH COVER THE WESTERN NEBRASKA PANHANDLE AND PORTIONS OF
  SOUTHEAST WYOMING. 

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...FRIDAY AFTERNOON THROUGH EARLY FRIDAY EVENING. 

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* TEMPERATURES...IN THE 70S.

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

&&

$$
LIEBL

840 
WWUS85 KCYS 300028
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
628 PM MDT THU MAR 29 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY VALUES LIKELY AGAIN FOR
FRIDAY...

.WINDS HAVE DECREASED EARLY THIS EVENING AND HUMIDITY VALUES 
CONTINUE TO SLOWLY RECOVER. FOR THOSE REASONS...THE RED FLAG 
WARNING FOR PARTS OF SOUTHEAST WYOMING HAS EXPIRED.  

WARMER AIR WILL MOVE INTO THE AREA FRIDAY WHILE LOW LEVEL MOISTURE 
WILL BE LACKING. THIS WILL ALLOW FOR HUMIDITY VALUES TO DROP TO
AROUND 15 PERCENT FRIDAY AFTERNOON WHILE WESTERLY WINDS WILL GUST 
BETWEEN 35 AND 45 MPH ACROSS SOUTHEAST WYOMING AND THE WESTERN
NEBRASKA PANHANDLE.

WYZ309-310-301200-
/O.EXP.KCYS.FW.W.0014.000000T0000Z-120330T0000Z/
/O.CON.KCYS.FW.A.0012.120330T1800Z-120331T0200Z/
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
628 PM MDT THU MAR 29 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR AREAS
OVER AND EAST OF THE LARAMIE RANGE. THE RED FLAG WARNING HAS
EXPIRED FOR PARTS OF SOUTHEAST WYOMING... 

* AFFECTED AREA...FIRE WEATHER ZONE 309 SOUTH LARAMIE RANGE AND
  FIRE WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE 
  COUNTIES.

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

* TIMING...FIRE WEATHER WATCH FRIDAY AFTERNOON THROUGH EARLY
  FRIDAY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* TEMPERATURES...IN THE UPPER 50S TO LOWER 70S. 

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

&&

$$

NEZ311>313-WYZ301-301200-
/O.CON.KCYS.FW.A.0012.120330T1800Z-120331T0200Z/
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-
628 PM MDT THU MAR 29 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR 
AREAS OVER AND EAST OF THE LARAMIE RANGE...

* AFFECTED AREA...FIRE WEATHER ZONE 301...NIOBRARA AND CONVERSE
  COUNTIES...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 45 MPH.

* TIMING...FRIDAY AFTERNOON THROUGH EARLY FRIDAY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* TEMPERATURES...IN THE MID 70S TO LOWER 80S.

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

&&

$$

WEILAND

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 3:15 PM MDT	Fire Weather Watch	CYS		7 hr

Nearby

Red Flag Warnings in Wyoming, 2012 Every 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.