Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 17, NWS Cheyenne, WY

March 31, 2012

NWS Cheyenne, WY issued this red flag warning at Mar 31, 2012, 8:30 PM MDT. It took effect at Apr 1, 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
Mar 31, 2012, 8:30 PM MDT (02:30 UTC)
In effect from
Apr 1, 2012, 12:00 PM MDT
Expired
Apr 1, 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.

848 
WWUS85 KCYS 010230
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
830 PM MDT SAT MAR 31 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL AFFECT MUCH OF
SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE AGAIN ON
SUNDAY...

.CRITICAL FIRE WEATHER CONDITIONS WILL AGAIN BE LIKELY SUNDAY 
AFTERNOON OVER PORTIONS OF SOUTHEAST WYOMING AND INTO PARTS OF
THE WESTERN NEBRASKA PANHANDLE. VERY WARM AND DRY WEATHER WILL
RETURN THO THOSE AREAS ALONG WITH GUSTY SOUTHWEST WINDS. 

WYZ301-308>310-011200-
/O.UPG.KCYS.FW.A.0014.120401T1800Z-120402T0100Z/
/O.NEW.KCYS.FW.W.0017.120401T1800Z-120402T0100Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-LARAMIE VALLEY/SHIRLEY BASIN-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
830 PM MDT SAT MAR 31 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT SUNDAY FOR 
GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF SOUTHEAST
WYOMING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT
FROM NOON TO 7 PM MDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT.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 308 LARAMIE VALLEY/SHIRLEY BASIN...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 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...NOON TO 7 PM SUNDAY.

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

* TEMPERATURES...HIGHS IN THE MID 60S TO AROUND 80.  

* 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.

&&

$$

NEZ311-011200-
/O.CON.KCYS.FW.A.0014.120401T1800Z-120402T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
830 PM MDT SAT MAR 31 2012

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

* AFFECTED AREA...FIRE WEATHER ZONE 311 PINE RIDGE/NEBRASKA 
  NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON TO 7 PM SUNDAY. 

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

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

&&

$$

WEILAND
3 follow-up statements
133 
WWUS85 KCYS 010951
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
351 AM MDT SUN APR 1 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL AFFECT MUCH OF
SOUTHEAST WYOMING AND THE NORTHERN NEBRASKA PANHANDLE THIS
AFTERNOON...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON
OVER MUCH OF SOUTHEAST WYOMING AND THE NORTHERN NEBRASKA 
PANHANDLE DUE TO WARM TEMPERATURES...LOW RELATIVE HUMIDITIES
AND GUSTY SOUTHWEST WINDS.

NEZ311-020100-
/O.UPG.KCYS.FW.A.0014.120401T1800Z-120402T0100Z/
/O.EXA.KCYS.FW.W.0017.120401T1800Z-120402T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
351 AM MDT SUN APR 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE
NORTHERN NEBRASKA PANHANDLE...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN 
EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING. THE FIRE WEATHER
WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 311 PINE RIDGE/NEBRASKA 
  NATIONAL FOREST/OGALLALA NATIONAL GRASSLANDS.

* WINDS...WEST AROUND 15 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON TO 7 PM.

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

* TEMPERATURES...75 TO 85 DEGREES.

* 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.

&&

$$

WYZ301-308>310-020100-
/O.CON.KCYS.FW.W.0017.120401T1800Z-120402T0100Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-LARAMIE VALLEY/SHIRLEY BASIN-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
351 AM MDT SUN APR 1 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT
THIS 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 308 LARAMIE VALLEY/SHIRLEY BASIN...FIRE WEATHER 
  ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE WEATHER 
  ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...NOON TO 7 PM SUNDAY.

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

* TEMPERATURES...UPPER 60S TO LOWER 80S.

* 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.

&&

$$

JAMSKI
852 
WWUS85 KCYS 011701
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1101 AM MDT SUN APR 1 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL AFFECT MUCH OF
SOUTH CENTRAL AND SOUTHEAST WYOMING AS WELL AS THE NORTHERN
NEBRASKA PANHANDLE THIS AFTERNOON...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON
OVER MUCH OF SOUTH CENTRAL AND SOUTHEAST WYOMING AS WELL AS THE
NORTHERN NEBRASKA PANHANDLE DUE TO WARM TEMPERATURES...LOW
RELATIVE HUMIDITIES AND GUSTY SOUTHWEST WINDS.

WYZ303-304-306-020100-
/O.EXA.KCYS.FW.W.0017.120401T1800Z-120402T0100Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
1101 AM MDT SUN APR 1 2012

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR 
STRONG SOUTHWEST WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES
303...304 AND 306...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR STRONG SOUTHWEST WINDS AND LOW HUMIDITIES...WHICH IS
IN EFFECT UNTIL 7 PM MDT THIS EVENING.

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

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

* TIMING...NOON TO 7 PM SUNDAY.

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

* TEMPERATURES...IN THE LOW 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.

&&

$$

NEZ311-WYZ301-308>310-020100-
/O.CON.KCYS.FW.W.0017.120401T1800Z-120402T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-LARAMIE VALLEY/SHIRLEY BASIN-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
1101 AM MDT SUN APR 1 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY SOUTHWEST WINDS AND LOW HUMIDITIES FOR FIRE WEATHER
ZONES 301...308 THROUGH 311...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY BASIN...FIRE WEATHER 
  ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER 
  ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE AND FIRE 
  WEATHER ZONE 311 PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA 
  NATIONAL GRASSLANDS.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...NOON TO 7 PM SUNDAY.

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

* TEMPERATURES...IN THE LOWER 70S.

* 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.

&&

$$
666 
WWUS85 KCYS 012115
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
315 PM MDT SUN APR 1 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITY WILL AFFECT MUCH OF
SOUTH CENTRAL AND SOUTHEAST WYOMING AS WELL AS THE NEBRASKA
PANHANDLE THIS AFTERNOON...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON
OVER MUCH OF SOUTH CENTRAL AND SOUTHEAST WYOMING AS WELL AS THE
NORTHERN NEBRASKA PANHANDLE DUE TO WARM TEMPERATURES...LOW
RELATIVE HUMIDITIES AND GUSTY SOUTHWEST WINDS.

NEZ312-313-020100-
/O.EXA.KCYS.FW.W.0017.000000T0000Z-120402T0100Z/
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
315 PM MDT SUN APR 1 2012

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 312 AND 313...

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

* AFFECTED AREA...FIRE WEATHER ZONE 312 BOX BUTTE/SOUTH SIOUX 
  AND FIRE WEATHER ZONE 313 SCOTTS BLUFF NATIONAL 
  MONUMENT/WILDCAT HILLS.

* WINDS...SOUTHEAST 15 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...NOON TO 7 PM SUNDAY.

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

* TEMPERATURES...IN THE LOWER 80S.

* 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.

&&

$$

NEZ311-WYZ301-303-304-306-308>310-020100-
/O.CON.KCYS.FW.W.0017.000000T0000Z-120402T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-
SHIRLEY MOUNTAINS-SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
315 PM MDT SUN APR 1 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITIES FOR MOST OF SOUTHEAST WYOMING
AND THE NORTHERN NEBRASKA PANHANDLE...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...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...FIRE 
  WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY BASIN...FIRE WEATHER 
  ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER 
  ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE AND FIRE 
  WEATHER ZONE 311 PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA 
  NATIONAL GRASSLANDS.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...NOON TO 7 PM SUNDAY.

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

* TEMPERATURES...AROUND 70.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 3:06 AM MDTWind AdvisoryCYSBanner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more32 hr

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.