Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 12, NWS Cheyenne, WY

March 26, 2012

NWS Cheyenne, WY issued this red flag warning at Mar 26, 2012, 8:53 PM MDT. It took effect at Mar 27, 2012, 10:00 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: Mar 26, 2012, 8:53 PM MDT (02:53 UTC)
In effect from: Mar 27, 2012, 10:00 AM MDT
Expired: Mar 27, 2012, 7:00 PM MDT
In force: 9 hr
Issued by: NWS Cheyenne, WY

The text

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

204 
WWUS85 KCYS 270253
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
853 PM MDT MON MAR 26 2012

...RED FLAG WARNING FIRE WEATHER ZONES 301 AND 309 THROUGH 313
FROM 10 AM THROUGH 7 PM TUESDAY...

.EXPECT VERY POOR OVERNIGHT HUMIDITY RECOVERIES THIS EVENING AND
OVERNIGHT WITH MAXIMUM HUMIDITIES ONLY CLIMBING TO 40 TO 50
PERCENT OVERNIGHT.  GUSTY WINDS WILL REMAIN OVERNIGHT.

STRONG WINDS AND LOW LATE MORNING AND AFTERNOON HUMIDITIES ARE
EXPECTED TO RETURN TUESDAY. HUMIDITIES ARE EXPECTED TO FALL TO 10
TO 15 PERCENT TUESDAY AFTERNOON WITH WESTERLY WINDS GUSTING TO 35
MPH. A RED FLAG WARNING IS POSTED FOR THOSE FIRE WEATHER ZONES
WHERE FUELS ARE REPORTED AS READY FOR TUESDAY.

NEZ311>313-WYZ301-309-310-271115-
/O.UPG.KCYS.FW.A.0010.120327T1800Z-120328T0100Z/
/O.NEW.KCYS.FW.W.0012.120327T1600Z-120328T0100Z/
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-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
853 PM MDT MON MAR 26 2012

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM MDT TUESDAY FOR
STRONG WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 301 AND 309
THROUGH 313...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR |STRONG WINDS AND LOW HUMIDITIES...WHICH IS IN EFFECT
FROM 10 AM 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 THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.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 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...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...10 AM THROUGH 7 PM TUESDAY EVENING.

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

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

* IMPACTS...WINDY...WARM 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.

&&

$$

3 follow-up statements

613 
WWUS85 KCYS 270957
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
357 AM MDT TUE MAR 27 2012

...RED FLAG WARNING IN EFFECT FOR FIRE WEATHER ZONES 301 AND 309
THROUGH 313 FROM 10 AM THROUGH 7 PM TODAY...

.STRONG WINDS AND LOW LATE MORNING AND AFTERNOON HUMIDITIES WILL
RETURN TODAY. HUMIDITIES WILL FALL TO 10 TO 15 PERCENT THIS
AFTERNOON WITH WEST WINDS THAT WILL GUST TO 35 MPH. A RED FLAG
WARNING IS IN EFFECT FOR THOSE FIRE WEATHER ZONES CONTAINING
CRITICAL FUELS.

NEZ311>313-WYZ301-309-310-272200-
/O.CON.KCYS.FW.W.0012.120327T1600Z-120328T0100Z/
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-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
357 AM MDT TUE MAR 27 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITIES FOR
FIRE WEATHER ZONES 301 AND 309 THROUGH 313...

* AFFECTED AREA...FIRE WEATHER ZONES 301 AND 309 THROUGH 313.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* TIMING...10 AM THROUGH 7 PM TODAY.

* RELATIVE HUMIDITY...12 TO 15 PERCENT.

* TEMPERATURES...IN THE 60S.

* IMPACTS...WINDY...WARM 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.

&&

$$

HAHN

060 
WWUS85 KCYS 272045
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
245 PM MDT TUE MAR 27 2012

...RED FLAG WARNING IN EFFECT FOR FIRE WEATHER ZONES 301 AND
309 THROUGH 313 FROM 10 AM THROUGH 7 PM TODAY...

.GUSTY WINDS AND LOW HUMIDITIES WILL PERSIST MAINLY OVER THE
PLAINS THIS AFTERNOON BEFORE RECOVERING THIS EVENING. THE RED FLAG
WARNING CONTINUES FOR THESE AREAS. CRITICAL CONDITIONS MAY
REDEVELOP OVER FAR SOUTHEASTERN WYOMING WEDNESDAY AFTERNOON.

WYZ301-309-310-281100-
/O.NEW.KCYS.FW.A.0011.120328T1900Z-120329T0000Z/
/O.CON.KCYS.FW.W.0012.000000T0000Z-120328T0100Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
245 PM MDT TUE MAR 27 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR MUCH OF EAST CENTRAL AND
SOUTHEAST WYOMING.

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON FOR GUSTY
WINDS AND LOW AFTERNOON HUMIDITY FOR MUCH OF EAST CENTRAL AND
SOUTHEAST WYOMING.

HE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE WEATHER
WATCH FOR GUSTY WINDS AND LOW AFTERNOON HUMIDITY...WHICH IS IN
EFFECT WEDNESDAY AFTERNOON.

* 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 20 TO 30 MPH WITH GUSTS UP TO 40 MPH UNTIL EARLY
  THIS EVENING. SOUTHWEST 15 TO 20 MPH WITH GUSTS AROUND 30 MPH
  WEDNESDAY AFTERNOON.

* TIMING...RED FLAG WARNING THROUGH 7 PM TODAY.
           FIRE WEATHER WATCH IN EFFECT FROM 1 PM TO 6 PM WEDNESDAY.  

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

* TEMPERATURES...HIGHS WEDNESDAY AFTERNOON FROM 70 TO 75.

* IMPACTS...WINDY...WARM 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.

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

&&

$$

NEZ311>313-280100-
/O.CON.KCYS.FW.W.0012.000000T0000Z-120328T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
245 PM MDT TUE MAR 27 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE 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...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...THROUGH 7 PM TODAY.

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

* TEMPERATURES...IN THE MID 60S.

* IMPACTS...WINDY...WARM 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.

&&

$$

856 
WWUS85 KCYS 280101
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
701 PM MDT TUE MAR 27 2012

...RED FLAG WARNING TO EXPIRE AT 7 PM FOR FIRE WEATHER ZONES 301
AND 309 THROUGH 313...

...FIRE WEATHER WATCH FOR WEDNESDAY AFTERNOON...FIRE WEATHER ZONES
301...309 AND 310 FOR GUSTY WINDS AND LOW HUMIDITIES...

.GUSTY WINDS HAVE BEGUN TO WEAKEN WITH SUNSET AND WITH COOLER
TEMPERATURES...HUMIDITIES HAVE BEGUN TO SLOWLY RECOVER ABOVE
CRITICAL THRESHOLDS. THUS...THE RED FLAG WARNING WILL EXPIRE AT 7
PM. CRITICAL FIRE WEATHER CONDITIONS ARE ONCE AGAIN POSSIBLE
WEDNESDAY AFTERNOON AS GUSTY WINDS RETURN AND AFTERNOON HUMIDITIES
DROP BELOW 15 PERCENT OVER FAR SOUTHEASTERN WYOMING WEDNESDAY
AFTERNOON.

WYZ301-309-310-280915-
/O.EXP.KCYS.FW.W.0012.000000T0000Z-120328T0100Z/
/O.CON.KCYS.FW.A.0011.120328T1900Z-120329T0000Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
701 PM MDT TUE MAR 27 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT WEDNESDAY AFTERNOON FOR
GUSTY WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 301...309
AND 310...
...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS 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 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...FIRE WEATHER WATCH IN EFFECT FROM 1 PM TO 6 PM
  WEDNESDAY.

* RELATIVE HUMIDITY...10 TO 13 PERCENT.

* TEMPERATURES...MID TO UPPER 70S.

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

&&

$$

NEZ311>313-280215-
/O.EXP.KCYS.FW.W.0012.000000T0000Z-120328T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
701 PM MDT TUE MAR 27 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING...

USTY WINDS HAVE BEGUN TO WEAKEN WITH SUNSET AND WITH COOLER
TEMPERATURES...HUMIDITIES HAVE BEGUN TO SLOWLY RECOVER ABOVE
CRITICAL THRESHOLDS. THUS...THE RED FLAG WARNING WILL EXPIRE AT 7
PM.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 6:58 PM MDT	Fire Weather Watch	CYS		115 min
Mar 27, 2:45 PM MDT	Fire Weather Watch	CYS		6 hr

Nearby

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