Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 43, NWS Cheyenne, WY

July 2, 2012

NWS Cheyenne, WY issued this red flag warning at Jul 2, 2012, 8:14 PM MDT. It took effect at Jul 3, 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
Jul 2, 2012, 8:14 PM MDT (02:14 UTC)
In effect from
Jul 3, 2012, 11:00 AM MDT
Expired
Jul 3, 2012, 8:17 PM MDT
In force
9 hr
Issued by
NWS Cheyenne, WY

The text

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

935 
WWUS85 KCYS 030214
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
814 PM MDT MON JUL 2 2012

...RED FLAG WARNING IS IN EFFECT FROM 11 AM TUESDAY THROUGH 9 PM
MDT TUESDAY FOR EAST CENTRAL...SOUTH CENTRAL AND PORTIONS OF
SOUTHEAST WYOMING...

.WINDS HAVE DIMINISHED OVER SOUTHEAST WYOMING THIS EVENING AND
RELATIVE HUMIDITY VALUES HAVE INCREASED. THAT TREND SHOULD 
CONTINUE THE REST OF TONIGHT. FOR THAT REASON...THE RED FLAG
WARNING THAT WAS IN EFFECT HAS BEEN ALLOWED TO EXPIRE.

DRIER AIR WITH GUSTY WINDS AND VERY WARM TEMPERATURES WILL 
AFFECT MUCH OF SOUTHEAST WYOMING NEAR AND WEST OF THE LARAMIE
RANGE FROM LATE TUESDAY MORNING THROUGH EARLY TUESDAY EVENING.
A RED FLAG WARNING HAS BEEN ISSUED FOR THAT AREA DURING THAT
TIME.

WYZ303-304-031015-
/O.EXP.KCYS.FW.W.0042.000000T0000Z-120703T0200Z/
/O.UPG.KCYS.FW.A.0035.120703T1700Z-120704T0300Z/
/O.NEW.KCYS.FW.W.0043.120703T1700Z-120704T0300Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-
814 PM MDT MON JUL 2 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 303 AND
304...
...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 303 AND 304...

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 9 PM MDT TUESDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN 
  CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS AND FIRE WEATHER ZONE 
  304 SOUTHWEST CARBON.

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

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

* HAINES INDEX...HAINES INDEX OF 5 IS FORECAST FOR TODAY AND 
  TUESDAY. WHEN COMBINED WITH GUSTY WINDS AND VERY LOW 
  HUMIDITIES...THERE IS THE POTENTIAL FOR LARGE PLUME DOMINATED 
  FIRE GROWTH. 

* IMPACTS...COMBINATION OF ALL THE ABOVE WEATHER FACTORS MAY 
  RESULT IN SIGNIFICANT 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
GUSTY WINDS...VERY LOW RELATIVE HUMIDITIES...AND VERY WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

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.

&&

$$

WYZ301-302-305>308-031015-
/O.UPG.KCYS.FW.A.0035.120703T1700Z-120704T0300Z/
/O.NEW.KCYS.FW.W.0043.120703T1700Z-120704T0300Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF-
SIERRA MADRE RANGE/MEDICINE BOW NF-UPPER NORTH PLATTE RIVER BASIN-
SNOWY RANGE/MEDICINE BOW NF-LARAMIE VALLEY/SHIRLEY BASIN-
814 PM MDT MON JUL 2 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT TUESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302...
305...306...307 AND 308...

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 9 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 302 NORTH LARAMIE RANGE/MEDICINE BOW NF...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 AND FIRE WEATHER ZONE 308 
  LARAMIE VALLEY/SHIRLEY BASIN.

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

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

* HAINES INDEX...HAINES INDEX OF 5 IS FORECAST FOR TUESDAY. WHEN 
  COMBINED WITH GUSTY WINDS AND VERY LOW HUMIDITIES...THERE IS 
  THE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. 

* IMPACTS...COMBINATION OF ALL THE ABOVE WEATHER FACTORS MAY 
  RESULT IN SIGNIFICANT 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
3 follow-up statements
949 
WWUS85 KCYS 030901
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
301 AM MDT TUE JUL 3 2012

...RED FLAG WARNING IS IN EFFECT FROM 11 AM THROUGH 9 PM MDT
TODAY FOR EAST CENTRAL...SOUTH CENTRAL AND PORTIONS OF SOUTHEAST
WYOMING...

.DRIER AIR WITH GUSTY WINDS AND VERY WARM TEMPERATURES WILL
AFFECT MUCH OF SOUTHEAST WYOMING NEAR AND WEST OF THE LARAMIE
RANGE FROM LATE THIS MORNING THROUGH EARLY THIS EVENING. A RED
FLAG WARNING HAS BEEN ISSUED FOR THAT AREA DURING THAT TIME.

WYZ301>308-032215-
/O.CON.KCYS.FW.W.0043.120703T1700Z-120704T0300Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-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-
301 AM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 301...302...303...304...305...306...307 AND 308...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER ELEVATIONS
  OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...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 AND FIRE WEATHER ZONE 308 LARAMIE
  VALLEY/SHIRLEY BASIN.

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

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

* HAINES INDEX...HAINES INDEX OF 5 IS FORECAST FOR TUESDAY. WHEN 
  COMBINED WITH GUSTY WINDS AND VERY LOW HUMIDITIES...THERE IS 
  THE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. 

* IMPACTS...COMBINATION OF ALL THE ABOVE WEATHER FACTORS MAY
  RESULT IN 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.

&&

$$
068 
WWUS85 KCYS 032204
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
404 PM MDT TUE JUL 3 2012

...RED FLAG WARNING IS IN EFFECT THROUGH 9 PM MDT TODAY FOR EAST
CENTRAL...SOUTH CENTRAL AND PORTIONS OF SOUTHEAST WYOMING...

.WINDS HAVE BEEN SLOW TO INCREASE THIS AFTERNOON...BUT HAVE BECOME
GUSTY ACROSS CONVERSE AND CARBON COUNTIES AHEAD OF A COLD FRONT
MOVING INTO NORTHWESTERN WYOMING. EXPECT THESE WINDS TO BECOME
MORE WIDESPREAD SOON AND CONTINUE THROUGH SUNSET. A RED FLAG
WARNING HAS BEEN ISSUED FOR THAT AREA DURING THIS TIME.

WYZ301>308-040300-
/O.CON.KCYS.FW.W.0043.000000T0000Z-120704T0300Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-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-
404 PM MDT TUE JUL 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...
302...303...304...305...306...307 AND 308...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...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 AND FIRE WEATHER 
  ZONE 308 LARAMIE VALLEY/SHIRLEY BASIN.

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

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

* HAINES INDEX...HAINES INDEX OF 5 IS FORECAST THIS AFTERNOON. WHEN
  COMBINED WITH GUSTY WINDS AND VERY LOW HUMIDITIES...THERE IS THE
  POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH.

* IMPACTS...COMBINATION OF ALL THE ABOVE WEATHER FACTORS MAY 
  RESULT IN 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.

&&

$$
882 
WWUS85 KCYS 040217
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
817 PM MDT TUE JUL 3 2012

...THE RED FLAG WARNING FOR PARTS OF SOUTHEAST WYOMING HAS BEEN
CANCELLED...

.WINDS HAVE DECREASED OVER SOUTHEAST WYOMING EARLY THIS EVENING
AND RELATIVE HUMIDITY VALUES HAVE BEEN SLOWLY INCREASING. THE 
THREAT FOR CRITICAL FIRE WEATHER CONDITIONS HAS ENDED FOR THE
NIGHT AND SO THE RED FLAG WARNING HAS BEEN CANCELLED. 

WYZ301>308-040330-
/O.CAN.KCYS.FW.W.0043.000000T0000Z-120704T0300Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-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-
817 PM MDT TUE JUL 3 2012

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 301...302...303...304...305...
306...307 AND 308...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE RED
FLAG WARNING.

WINDS HAVE DECREASED OVER SOUTHEAST WYOMING EARLY THIS EVENING
AND RELATIVE HUMIDITY VALUES HAVE BEEN SLOWLY INCREASING. THE
THREAT FOR CRITICAL FIRE WEATHER CONDITIONS HAS ENDED FOR THE
NIGHT AND SO THE RED FLAG WARNING HAS BEEN CANCELLED.

$$

WEILAND

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.