Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 61, NWS Cheyenne, WY

September 4, 2012

NWS Cheyenne, WY issued this red flag warning at Sep 4, 2012, 7:56 PM MDT. It took effect at Sep 5, 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
Sep 4, 2012, 7:56 PM MDT (01:56 UTC)
In effect from
Sep 5, 2012, 11:00 AM MDT
Expired
Sep 5, 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.

049 
WWUS85 KCYS 050156
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
756 PM MDT TUE SEP 4 2012

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FROM THE LARAMIE
RANGE WESTWARD ON WEDNESDAY...

.WARM TEMPERATURES AND LOW RELATIVE HUMIDITY WILL COMBINE WITH
GUSTY WESTERLY WINDS TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS
ACROSS PARTS OF SOUTHEAST WYOMING ON WEDNESDAY.

WYZ302>304-306-308-309-051100-
/O.EXP.KCYS.FW.W.0060.000000T0000Z-120905T0200Z/
/O.UPG.KCYS.FW.A.0047.120905T1700Z-120906T0200Z/
/O.NEW.KCYS.FW.W.0061.120905T1700Z-120906T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
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-
756 PM MDT TUE SEP 4 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302...
303...304...306...308 AND 309...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302...303...
304...306...308 AND 309...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 8 PM MDT WEDNESDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE 
  RANGE/MEDICINE BOW NF...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 AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND 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.

&&

$$

NEZ311>313-WYZ301-310-050300-
/O.EXP.KCYS.FW.W.0060.000000T0000Z-120905T0200Z/
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-PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
756 PM MDT TUE SEP 4 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...310...
311...312 AND 313...

COOLING TEMPERATURES AND LIGHTER WINDS HAVE EASED CRITICAL
CONDITIONS THIS EVENING.

$$

WYZ305-307-051100-
/O.UPG.KCYS.FW.A.0047.120905T1700Z-120906T0200Z/
/O.NEW.KCYS.FW.W.0061.120905T1700Z-120906T0200Z/
SIERRA MADRE RANGE/MEDICINE BOW NF-SNOWY RANGE/MEDICINE BOW NF-
756 PM MDT TUE SEP 4 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 305 AND
307...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 8 PM MDT WEDNESDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 305 SIERRA MADRE 
  RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 307 SNOWY 
  RANGE/MEDICINE BOW NF.

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

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND 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.

&&

$$

RE
4 follow-up statements
477 
WWUS85 KCYS 050445
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1045 PM MDT TUE SEP 4 2012

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FROM THE LARAMIE
RANGE WESTWARD ON WEDNESDAY...

.WARM TEMPERATURES AND LOW RELATIVE HUMIDITY WILL COMBINE WITH
GUSTY WESTERLY WINDS TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS
ACROSS PARTS OF SOUTHEAST WYOMING ON WEDNESDAY.

WYZ302>309-051245-
/O.CON.KCYS.FW.W.0061.120905T1700Z-120906T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-SIERRA MADRE RANGE/MEDICINE BOW NF-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE/MEDICINE BOW NF-
LARAMIE VALLEY/SHIRLEY BASIN-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
1045 PM MDT TUE SEP 4 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 302...303...304...305...306...307...308 AND 309...

* AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE 
  RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 303 CENTRAL AND 
  NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS...FIRE 
  WEATHER ZONE 304 SOUTHWEST CARBON...FIRE WEATHER ZONE 305 
  SIERRA MADRE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 306 
  UPPER NORTH PLATTE RIVER BASIN...FIRE WEATHER ZONE 307 SNOWY 
  RANGE/MEDICINE BOW NF... FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND 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.

&&

$$
357 
WWUS85 KCYS 050821
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
221 AM MDT WED SEP 5 2012

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FROM THE LARAMIE
RANGE WESTWARD ON WEDNESDAY...

...CRITICAL FIRE WEATHER CONDITIONS POSSIBLE ON THURSDAY...

.WARM TEMPERATURES AND LOW HUMIDITIES WILL COMBINE WITH GUSTY
WEST WINDS TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS
PARTS OF SOUTHEAST WYOMING ON WEDNESDAY. MORE WIDESPREAD CRITICAL
FIRE WEATHER CONDITIONS WILL OCCUR ON THURSDAY.

WYZ302>304-306-308-309-052000-
/O.NEW.KCYS.FW.A.0048.120906T1700Z-120907T0200Z/
/O.CON.KCYS.FW.W.0061.120905T1700Z-120906T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
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-
221 AM MDT WED SEP 5 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 302...303...304...306...308 AND 309...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 302...303...304...306...308 AND 309...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE 
  RANGE/MEDICINE BOW NF...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 AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

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

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND 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.

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

&&

$$

WYZ305-307-052000-
/O.CON.KCYS.FW.W.0061.120905T1700Z-120906T0200Z/
SIERRA MADRE RANGE/MEDICINE BOW NF-SNOWY RANGE/MEDICINE BOW NF-
221 AM MDT WED SEP 5 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 305 AND 307...

* AFFECTED AREA...FIRE WEATHER ZONE 305 SIERRA MADRE 
  RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 307 SNOWY 
  RANGE/MEDICINE BOW NF.

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

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND 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.

&&

$$

NEZ311>313-WYZ301-310-052000-
/O.NEW.KCYS.FW.A.0048.120906T1700Z-120907T0200Z/
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-PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
221 AM MDT WED SEP 5 2012

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 301...310...311...312 AND 313...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...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...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* IMPACTS...

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.

&&

$$

RUBIN
286 
WWUS85 KCYS 051911
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
111 PM MDT WED SEP 5 2012

...CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH EARLY
THIS EVENING FROM THE LARAMIE RANGE WESTWARD...

...MORE WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS WILL BE 
POSSIBLE THURSDAY...

.WARM TEMPERATURES...GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL
PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF
SOUTHEAST WYOMING THROUGH EARLY THIS EVENING. MORE WIDESPREAD
CRITICAL FIRE WEATHER CONDITIONS WILL BE POSSIBLE THURSDAY IN
ADVANCE OF AN APPROACHING COLD FRONT.

WYZ302>304-306-308-309-061200-
/O.CON.KCYS.FW.W.0061.000000T0000Z-120906T0200Z/
/O.CON.KCYS.FW.A.0048.120906T1700Z-120907T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
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-
111 PM MDT WED SEP 5 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES
302...303...304...306...308 AND 309...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE THURSDAY MORNING
THROUGH EARLY THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE WEATHER ZONES 302...303...304...306...308 AND
309...

* AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE 
  RANGE/MEDICINE BOW NF...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 AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

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

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND 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.

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

&&

$$

WYZ305-307-060200-
/O.CON.KCYS.FW.W.0061.000000T0000Z-120906T0200Z/
SIERRA MADRE RANGE/MEDICINE BOW NF-SNOWY RANGE/MEDICINE BOW NF-
111 PM MDT WED SEP 5 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES
305 AND 307...

* AFFECTED AREA...FIRE WEATHER ZONE 305 SIERRA MADRE 
  RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 307 SNOWY 
  RANGE/MEDICINE BOW NF.

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

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND 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.

&&

$$

NEZ311>313-WYZ301-310-061200-
/O.CON.KCYS.FW.A.0048.120906T1700Z-120907T0200Z/
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-PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
111 PM MDT WED SEP 5 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE THURSDAY MORNING
THROUGH EARLY THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE WEATHER ZONES 301...310...311...312 AND 313...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...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 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND FIRE GROWTH.

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.

&&

$$

JAMSKI
863 
WWUS85 KCYS 060200
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
800 PM MDT WED SEP 5 2012

...MORE WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS WILL BE
POSSIBLE ON THURSDAY...

.WARM TEMPERATURES...GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL
RETURN ON THURSDAY IN ADVANCE OF AN APPROACHING COLD
FRONT. THE COMBINATION OF THESE WEATHER ELEMENTS WILL PRODUCE
CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF SOUTHEAST
WYOMING AND THE WESTERN NEBRASKA PANHANDLE LATE THURSDAY MORNING
THROUGH EARLY EVENING. THE FRONT WILL MOVE SOUTH THROUGH THE
AFTERNOON...WITH HUMIDITIES IMPROVING IN ITS WAKE.

WYZ302>304-306-308-309-061000-
/O.EXP.KCYS.FW.W.0061.000000T0000Z-120906T0200Z/
/O.CON.KCYS.FW.A.0048.120906T1700Z-120907T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
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-
800 PM MDT WED SEP 5 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES
302...303...304...306...308 AND 309...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE WEATHER ZONES 302...303...304...306...308 AND
309...

* AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE 
  RANGE/MEDICINE BOW NF...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 AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

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

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND FIRE GROWTH. 

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.

&&

$$

WYZ305-307-060300-
/O.EXP.KCYS.FW.W.0061.000000T0000Z-120906T0200Z/
SIERRA MADRE RANGE/MEDICINE BOW NF-SNOWY RANGE/MEDICINE BOW NF-
800 PM MDT WED SEP 5 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES
305 AND 307...

WINDS WILL CONTINUE TO EASE AND HUMIDITIES WILL INCREASE THROUGH
THE LATE EVENING...THEREFORE WILL LET THE RED FLAG WARNING EXPIRE.

$$

NEZ311>313-WYZ301-310-061000-
/O.CON.KCYS.FW.A.0048.120906T1700Z-120907T0200Z/
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-PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
800 PM MDT WED SEP 5 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE WEATHER ZONES 301...310...311...312 AND 313...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...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...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT.

* IMPACTS...LOW RELATIVE HUMIDITY...GUSTY WINDS...AND VERY DRY 
  FUELS WILL PRODUCE CONDITIONS FAVORABLE FOR RAPID FIRE SPREAD 
  AND FIRE GROWTH. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 2:21 AM MDTFire Weather WatchCYS20 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.