Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 41, NWS Cheyenne, WY

June 30, 2012

NWS Cheyenne, WY issued this red flag warning at Jun 30, 2012, 2:29 PM MDT. It took effect at Jul 1, 2012, 12:00 PM 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
Jun 30, 2012, 2:29 PM MDT (20:29 UTC)
In effect from
Jul 1, 2012, 12:00 PM MDT
Expired
Jul 1, 2012, 9:00 PM MDT
In force
9 hr
Issued by
NWS Cheyenne, WY

The text

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

607 
WWUS85 KCYS 302029
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
229 PM MDT SAT JUN 30 2012

...RED FLAG WARNING SUNDAY FOR FIRE WEATHER ZONES 303 AND 304...

.CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR OVER PORTIONS OF
SOUTHEAST WYOMING SUNDAY AFTERNOON AND EARLY EVENING DUE TO GUSTY
WINDS AND LOW RELATIVE HUMIDITY. TEMPERATURES IN THE 90S AND 
HUMIDITY VALUES DROPPING TO 5 TO 10 PERCENT WILL COMBINE WITH
SOUTHWEST WINDS GUSTING UP TO 30 MPH TO PRODUCE CONDITIONS
FAVORABLE FOR EXPLOSIVE FIRE GROWTH. 

WYZ303-304-011030-
/O.UPG.KCYS.FW.A.0034.120701T1800Z-120702T0300Z/
/O.NEW.KCYS.FW.W.0041.120701T1800Z-120702T0300Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-
229 PM MDT SAT JUN 30 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY 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 NOON TO 9 PM MDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 303 AND 304.

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

* RELATIVE HUMIDITY...DROPPING TO 5 TO 10 PERCENT.

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS 
  PORTIONS OF SOUTH CENTRAL WYOMING. WHEN COMBINED WITH GUSTY 
  WINDS AND LOW HUMIDITY...LARGE PLUME DOMINATED FIRE GROWTH 
  WILL BE POSSIBLE. 

* IMPACTS...COMBINATION OF ALL THE ABOVE WEATHER CONDITIONS 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.

&&

$$

LIEBL
4 follow-up statements
700 
WWUS85 KCYS 010241
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
841 PM MDT SAT JUN 30 2012

...RED FLAG WARNING SUNDAY AFTERNOON AND EARLY EVENING FOR AREAS
OVER AND WEST OF THE LARAMIE RANGE...

.CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR OVER SOUTHEAST WYOMING
OVER AND WEST OF THE LARAMIE RANGE SUNDAY AFTERNOON AND EARLY
EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY. TEMPERATURES
IN THE 90S OVER THE LOWER ELEVATIONS AND HUMIDITY VALUES DROPPING
TO 5 TO 10 PERCENT WILL COMBINE WITH SOUTHWEST WINDS GUSTING UP TO
30 MPH TO PRODUCE CONDITIONS FAVORABLE FOR EXPLOSIVE FIRE GROWTH.

WYZ302-305>309-011045-
/O.EXA.KCYS.FW.W.0041.120701T1800Z-120702T0300Z/
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-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
841 PM MDT SAT JUN 30 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302...305...
306...307...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 NOON TO 9 PM MDT SUNDAY.

* AFFECTED AREA...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... FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN AND FIRE WEATHER ZONE 309 SOUTH LARAMIE 
  RANGE/MEDICINE BOW NF.

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

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

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS 
  PORTIONS OF SOUTH CENTRAL WYOMING. WHEN COMBINED WITH GUSTY 
  WINDS AND LOW HUMIDITY...LARGE PLUME DOMINATED FIRE GROWTH 
  WILL BE POSSIBLE. 

* IMPACTS...COMBINATION OF ALL THE ABOVE WEATHER CONDITIONS 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.

&&

$$

WYZ303-304-011045-
/O.CON.KCYS.FW.W.0041.120701T1800Z-120702T0300Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-
841 PM MDT SAT JUN 30 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
303 AND 304...

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

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

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

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS 
  PORTIONS OF SOUTH CENTRAL WYOMING. WHEN COMBINED WITH GUSTY 
  WINDS AND LOW HUMIDITY...LARGE PLUME DOMINATED FIRE GROWTH 
  WILL BE POSSIBLE. 

* IMPACTS...COMBINATION OF ALL THE ABOVE WEATHER CONDITIONS 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
841 
WWUS85 KCYS 010849
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
249 AM MDT SUN JUL 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR EAST CENTRAL...SOUTH CENTRAL AND A PORTION OF SOUTHEAST
WYOMING...

.CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST FOR EAST CENTRAL...
SOUTH CENTRAL AND A PORTION OF SOUTHEAST WYOMING DUE TO GUSTY WINDS
AND VERY LOW RELATIVE HUMIDITIES THIS AFTERNOON AND EARLY EVENING. 
HIGH TEMPERATURES IN THE 90S FOR THE LOWER ELEVATIONS AND HUMIDITIES
FALLING TO 5 TO 15 PERCENT WILL COMBINE WITH SOUTHERLY WINDS GUSTING
AS HIGH AS 35 MPH TO PRODUCE CONDITIONS FAVORABLE FOR EXPLOSIVE FIRE
GROWTH.

WYZ301-012200-
/O.EXA.KCYS.FW.W.0041.120701T1800Z-120702T0300Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-
249 AM MDT SUN JUL 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES FOR FIRE
WEATHER ZONE 301...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES...WHICH IS
IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND.

* WINDS...SOUTH TO SOUTHEAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS EAST
  CENTRAL WYOMING. WHEN COMBINED WITH GUSTY WINDS AND VERY LOW
  HUMIDITIES...LARGE PLUME DOMINATED FIRE GROWTH WILL BE POSSIBLE.

* 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...VERY LOW RELATIVE HUMIDITY...AND VERY WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

WYZ302>309-012200-
/O.CON.KCYS.FW.W.0041.120701T1800Z-120702T0300Z/
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-
249 AM MDT SUN JUL 1 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING 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...SOUTH TO SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 5 PERCENT.

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS SOUTH
  CENTRAL AND SOUTHEAST WYOMING. WHEN COMBINED WITH GUSTY WINDS
  AND VERY LOW HUMIDITIES...LARGE PLUME DOMINATED FIRE GROWTH WILL
  BE POSSIBLE.

* 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...VERY LOW RELATIVE HUMIDITIES...AND VERY WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

JAMSKI
052 
WWUS85 KCYS 012053
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
253 PM MDT SUN JUL 1 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR PORTIONS OF SOUTHEAST WYOMING...

...RED FLAG WARNING IN EFFECT NOON MONDAY THROUGH 8 PM MDT 
MONDAY EVENING FOR SOUTH CENTRAL WYOMING...


.CRITICAL FIRE WEATHER WILL CONTINUE FOR PORTIONS OF SOUTHEAST
WYOMING DUE TO GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES THIS
AFTERNOON AND EARLY EVENING. HIGH TEMPERATURES IN THE 90S FOR THE
LOWER ELEVATIONS AND HUMIDITIES FALLING TO 5 TO 15 PERCENT WILL
COMBINE WITH SOUTHWESTERLY WINDS GUSTING AS HIGH AS 30 MPH TO
PRODUCE CONDITIONS FAVORABLE FOR EXPLOSIVE FIRE GROWTH.

HUMIDITY VALUES WILL INCREASE AS TEMPERATURES FALL THIS EVENING
BUT GUSTY WINDS AND LOW HUMIDITY WILL RETURN MONDAY AFTERNOON
OVER SOUTH CENTRAL WYOMING. WEST TO SOUTHWEST WINDS GUSTING
TO 30 MPH ARE EXPECTED. 

WYZ303-304-021100-
/O.NEW.KCYS.FW.W.0042.120702T1800Z-120703T0200Z/
/O.CON.KCYS.FW.W.0041.000000T0000Z-120702T0300Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-
253 PM MDT SUN JUL 1 2012

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

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT MONDAY 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 NOON TO 8 PM MDT MONDAY.

* AFFECTED AREA...FIRE WEATHER ZONES 303 AND 304.

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

* RELATIVE HUMIDITY...AS LOW AS 5 PERCENT.

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS SOUTH
  CENTRAL AND SOUTHEAST WYOMING. WHEN COMBINED WITH GUSTY WINDS
  AND VERY LOW HUMIDITIES...LARGE PLUME DOMINATED FIRE GROWTH WILL
  BE POSSIBLE. A HAINES INDEX OF 5 IS FORECAST FOR MONDAY.

* 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...VERY LOW RELATIVE HUMIDITIES...AND VERY WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

WYZ301-302-305>309-020300-
/O.CON.KCYS.FW.W.0041.000000T0000Z-120702T0300Z/
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-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
253 PM MDT SUN JUL 1 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...305...306...307...308 AND 309...

* AFFECTED AREA...FIRE WEATHER ZONES 301...302...305...306... 
  307...308 AND 309.

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

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

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS SOUTH 
  CENTRAL AND SOUTHEAST WYOMING. WHEN COMBINED WITH GUSTY WINDS 
  AND VERY LOW HUMIDITIES...LARGE PLUME DOMINATED FIRE GROWTH 
  WILL BE POSSIBLE. 

* 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...VERY LOW RELATIVE HUMIDITIES...AND VERY WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
LIEBL
624 
WWUS85 KCYS 020315
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
915 PM MDT SUN JUL 1 2012

...RED FLAG WARNING IN EFFECT NOON MONDAY THROUGH 8 PM MDT MONDAY
EVENING FOR SOUTH CENTRAL WYOMING...

.CRITICAL FIRE WEATHER CONDITIONS HAVE EASED THIS EVENING OVER
SOUTHEAST WYOMING. FOR THAT REASON HAVE ALLOWED THE RED FLAG 
WARNING THAT WAS IN EFFECT UNTIL 9 PM TO EXPIRE. DRY AND WINDY
CONDITIONS ALONG WITH THE POSSIBILITY OF DRY LIGHTNING CAN BE
EXPECTED OVER PARTS OF SOUTH CENTRAL WYOMING MONDAY AFTERNOON AND
EVENING. A RED FLAG WARNING REMAINS IN EFFECT FOR THAT AREA
MONDAY AFTERNOON AND EVENING. 

WYZ303-304-021115-
/O.EXP.KCYS.FW.W.0041.000000T0000Z-120702T0300Z/
/O.CON.KCYS.FW.W.0042.120702T1800Z-120703T0200Z/
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-
915 PM MDT SUN JUL 1 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT
MONDAY 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...

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

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

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

* HAINES INDEX...HAINES INDEX OF 6 WILL BE POSSIBLE ACROSS SOUTH 
  CENTRAL AND SOUTHEAST WYOMING. WHEN COMBINED WITH GUSTY WINDS 
  AND VERY LOW HUMIDITIES...LARGE PLUME DOMINATED FIRE GROWTH 
  WILL BE POSSIBLE. A HAINES INDEX OF 5 IS FORECAST FOR MONDAY. 

* 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...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>309-020415-
/O.EXP.KCYS.FW.W.0041.000000T0000Z-120702T0300Z/
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-
SOUTH LARAMIE RANGE/MEDICINE BOW NF-
915 PM MDT SUN JUL 1 2012

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 301...302...305...306...307...
308 AND 309...

WINDS HAVE DIMINISHED OVER SOUTHEAST WYOMING SINCE THE LATE
AFTERNOON. ALSO DURING THAT SAME TIME...RELATIVE HUMIDITY VALUES 
HAVE SLOWLY INCREASED. BOTH OF THOSE FACTORS HAVE EASED THE
CRITICAL FIRE WEATHER CONDITIONS...ALLOWING THE RED FLAG WARNING
TO EXPIRE.  

$$

WEILAND

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 6:43 PM MDTSpecial Weather StatementCYSCarbon32 min
Jun 29, 6:54 PM MDTSpecial Weather StatementCYSLaramie36 min
Jun 29, 7:33 PM MDTSpecial Weather StatementCYSCarbon42 min
Jun 29, 8:15 PM MDTSpecial Weather StatementCYS45 min
Jun 30, 4:13 AM MDTFire Weather WatchCYS10 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.