Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 72, NWS Cheyenne, WY

October 17, 2012

NWS Cheyenne, WY issued this red flag warning at Oct 17, 2012, 9:10 PM MDT. It took effect at Oct 18, 2012, 12:00 PM MDT. 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
Oct 17, 2012, 9:10 PM MDT (03:10 UTC)
In effect from
Oct 18, 2012, 12:00 PM MDT
Expired
Oct 18, 2012, 7:00 PM MDT
In force
7 hr
Issued by
NWS Cheyenne, WY

The text

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

058 
WWUS85 KCYS 180310
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
910 PM MDT WED OCT 17 2012

...CRITICAL FIRE WEATHER CONDITIONS THURSDAY AFTERNOON...

.DRY AND VERY WINDY CONDITIONS WILL ONCE AGAIN DEVELOP ON THURSDAY
PRODUCING CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING IS
IN NOW EFFECT FOR THE SOUTHERN NEBRASKA PANHANDLE AND FAR
SOUTHEAST WYOMING FROM NOON THROUGH 7 PM ON THURSDAY. WINDS WILL
QUICKLY SUBSIDE THURSDAY EVENING AND RELATIVE HUMIDITY WILL
RECOVER. 

NEZ312-313-WYZ310-190100-
/O.UPG.KCYS.FW.A.0056.121018T1800Z-121019T0100Z/
/O.NEW.KCYS.FW.W.0072.121018T1800Z-121019T0100Z/
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
910 PM MDT WED OCT 17 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT THURSDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 310...
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 THURSDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 310...312 AND 313.

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

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

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID FIRE GROWTH. 

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
3 follow-up statements
987 
WWUS85 KCYS 180926
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
326 AM MDT THU OCT 18 2012

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON...

.DRY AND VERY WINDY CONDITIONS WILL ONCE AGAIN OCCUR TODAY OVER
THE REGION. CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED OVER
THE SOUTHERN NEBRASKA PANHANDLE AND NEARBY PARTS OF SOUTHEAST 
WYOMING FROM NOON TO 7 PM. A RED FLAG WARNING REMAINS IN EFFECT
FOR THAT AREA DURING THAT TIME. WINDS WILL QUICKLY SUBSIDE THIS
EVENING AND RELATIVE HUMIDITY VALUES WILL SLOWLY INCREASE.

NEZ312-313-WYZ310-190100-
/O.CON.KCYS.FW.W.0072.121018T1800Z-121019T0100Z/
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
326 AM MDT THU OCT 18 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 310...312 AND 313...

* AFFECTED AREA...FIRE WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL 
  AND EASTERN LARAMIE...FIRE WEATHER ZONE 312 BOX BUTTE/SOUTH 
  SIOUX AND FIRE WEATHER ZONE 313 SCOTTS BLUFF NATIONAL 
  MONUMENT/WILDCAT HILLS.

* WINDS...NORTHWEST 25 TO 40 MPH WITH GUSTS UP TO 60 MPH.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID FIRE GROWTH. 

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
927 
WWUS85 KCYS 182033
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
233 PM MDT THU OCT 18 2012

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON...

.DRY AND VERY WINDY CONDITIONS WILL ONCE AGAIN OCCUR TODAY OVER
THE REGION. CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED OVER
THE SOUTHERN NEBRASKA PANHANDLE AND NEARBY PARTS OF SOUTHEAST
WYOMING UNTIL 7 PM THIS EVENING. WINDS WILL QUICKLY SUBSIDE THIS
EVENING AND RELATIVE HUMIDITY VALUES WILL SLOWLY INCREASE.

NEZ312-313-WYZ310-190100-
/O.CON.KCYS.FW.W.0072.000000T0000Z-121019T0100Z/
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
233 PM MDT THU OCT 18 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 310...
312 AND 313...

* AFFECTED AREA...FIRE WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL 
  AND EASTERN LARAMIE...FIRE WEATHER ZONE 312 BOX BUTTE/SOUTH 
  SIOUX AND FIRE WEATHER ZONE 313 SCOTTS BLUFF NATIONAL 
  MONUMENT/WILDCAT HILLS.

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

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

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID FIRE GROWTH. 

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.

&&

$$

TT
044 
WWUS85 KCYS 190048
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
648 PM MDT THU OCT 18 2012

...CRITICAL FIRE WEATHER CONDITIONS HAVE SUBSIDED...

.WINDS CONTINUE TO DECREASE WHILE RELATIVE HUMIDITY HAVE STARTED TO
RECOVER. THIS TREND WILL CONTINUE INTO THE EVENING AS WINDS BECOME
LIGHT.

NEZ312-313-WYZ310-190200-
/O.EXP.KCYS.FW.W.0072.000000T0000Z-121019T0100Z/
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
648 PM MDT THU OCT 18 2012

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

WINDS CONTINUE TO DECREASE THIS EVENING WHILE RELATIVE HUMIDITY
HAVE STARTED TO RECOVER. THIS TREND WILL CONTINUE INTO THE EVENING
AS WINDS BECOME LIGHT.

$$

LIEBL

Nearby

Red Flag Warnings in Wyoming, 2012Red Flag Warnings in Nebraska, 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.