Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 18, NWS Riverton, WY

August 2, 201212 counties in Wyoming

NWS Riverton, WY issued this red flag warning at Aug 2, 2012, 2:12 AM MDT for 12 counties in Wyoming. It took effect at Aug 2, 2012, 12:00 PM MDT. It was in force for 33 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
Aug 2, 2012, 2:12 AM MDT (08:12 UTC)
In effect from
Aug 2, 2012, 12:00 PM MDT
Expired
Aug 3, 2012, 9:00 PM MDT
In force
33 hr
Issued by
NWS Riverton, WY

Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Teton County, WY, Uinta County, WY, Washakie County, WY

The radar

The Riverton/Lander radar (KRIW), 35 km from the middle of the area, began a volume at 08:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 8.2 hours before the alert went out and 41 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 00:00Z on 2012-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2012-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4777 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

273 
WWUS85 KRIW 020812
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
212 AM MDT THU AUG 2 2012

...EXTREME FIRE WEATHER BEHAVIOR WILL OCCUR ACROSS CENTRAL AND
SOUTHWEST WYOMING THIS AFTERNOON AND EVENING...AND ACROSS SOUTHERN
PORTIONS FRIDAY...

.A DRY WESTERLY FLOW WILL DEVELOP TODAY...WHICH WILL
DRAMATICALLY INCREASE THE FIRE WEATHER THREAT ACROSS MOST OF THE
EAST...CENTRAL AND SOUTHWEST PARTS OF THE WARNING AREA. IT WILL
ALSO BE VERY DRY...BREEZY TO WINDY AND VERY WARM TO HOT THIS
AFTERNOON THROUGH THE EARLY EVENING HOURS. INCREASED FIRE WEATHER
DANGER IS EXPECTED TO CONTINUE FRIDAY ACROSS THE SOUTH.

WYZ286-287-022200-
/O.UPG.KRIW.FW.A.0016.120802T1800Z-120803T0300Z/
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-OWL CREEK MOUNTAINS-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
286 AND 287...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 286 AND 287.

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

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ280-300-022200-
/O.UPG.KRIW.FW.A.0016.120802T1800Z-120803T0300Z/
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
NATRONA COUNTY/CASPER BLM-CASPER MOUNTAIN-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
280 AND 300...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 280 AND 300.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM TO HOT CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE 
  THREAT OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS 
  FROM RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ283-288-022200-
/O.UPG.KRIW.FW.A.0016.120802T1800Z-120803T0300Z/
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
283 AND 288...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 283 AND 288.

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

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ277-279-022200-
/O.UPG.KRIW.FW.A.0016.120802T1800Z-120804T0300Z/
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120804T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT FRIDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 277 AND
279...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 277 AND 279.

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

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ289-022200-
/O.UPG.KRIW.FW.A.0016.120802T1800Z-120804T0300Z/
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120804T0300Z/
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT FRIDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 289.

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

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ278-414-022200-
/O.UPG.KRIW.FW.A.0016.120802T1800Z-120803T0300Z/
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
278 AND 414...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 278 AND 414.

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

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ285-022200-
/O.UPG.KRIW.FW.A.0016.120802T1800Z-120803T0300Z/
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
SOUTH BIGHORN MOUNTAINS-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
285...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 285.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ281-022200-
/O.NEW.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
JOHNSON COUNTY/CASPER BLM-
212 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
281...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TODAY TO 9 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 281.

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

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

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITIES...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES.

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.

&&

$$

HTTP://WEATHER.GOV/RIVERTON
6 follow-up statements
285 
WWUS85 KRIW 021638
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1038 AM MDT THU AUG 2 2012

...EXTREME FIRE WEATHER BEHAVIOR WILL OCCUR ACROSS CENTRAL AND
WESTERN WYOMING THIS AFTERNOON AND EVENING...AND ACROSS SOUTHERN
AND CENTRAL PORTIONS FRIDAY...

.A DRY WEST FLOW WILL DEVELOP THIS AFTERNOON...WHICH WILL
DRAMATICALLY INCREASE THE FIRE WEATHER THREAT ACROSS WESTERN AND
CENTRAL WYOMING. IT WILL BE VERY DRY...BREEZY TO WINDY AND VERY
WARM TO HOT WITH A HAINES INDEX OF 6 THIS AFTERNOON THROUGH THE
EARLY EVENING HOURS. INCREASED FIRE WEATHER DANGER IS EXPECTED TO
CONTINUE FRIDAY ACROSS THE SOUTH AND CENTRAL AREAS WITH A DRY COLD
FRONTAL PASSAGE WITH A SUDDEN WIND SHIFT.

WYZ416-030300-
/O.EXA.KRIW.FW.W.0018.120802T1800Z-120804T0300Z/
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND AND
LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 416...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 9 PM MDT FRIDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 416.

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

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ140-415-030300-
/O.EXA.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
YELLOWSTONE NATIONAL PARK-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 140 AND
415...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 9 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 140 AND 415.

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

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ275-276-282-030300-
/O.EXA.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS-
SOUTH BIG HORN BASIN/WORLAND BLM-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 275...
276 AND 282...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 9 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 275...276 AND 282.

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

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ283-288-030300-
/O.EXT.KRIW.FW.W.0018.120802T1800Z-120804T0300Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 283 AND 288...

* AFFECTED AREA...FIRE WEATHER ZONES 283 AND 288.

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

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ278-414-030300-
/O.EXT.KRIW.FW.W.0018.120802T1800Z-120804T0300Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT FRIDAY FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 278 AND 414...

* AFFECTED AREA...FIRE WEATHER ZONES 278 AND 414.

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

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ286-287-030300-
/O.CON.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-OWL CREEK MOUNTAINS-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 286 AND
287...

* AFFECTED AREA...FIRE WEATHER ZONES 286 AND 287.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ280-281-300-030300-
/O.CON.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
NATRONA COUNTY/CASPER BLM-JOHNSON COUNTY/CASPER BLM-
CASPER MOUNTAIN-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 280 AND
300...

* AFFECTED AREA...FIRE WEATHER ZONES 280...281 AND 300.

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

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM TO HOT CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE 
  THREAT OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS 
  FROM RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ277-279-030300-
/O.CON.KRIW.FW.W.0018.120802T1800Z-120804T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 277 AND
279...

* AFFECTED AREA...FIRE WEATHER ZONES 277 AND 279.

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

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ289-030300-
/O.CON.KRIW.FW.W.0018.120802T1800Z-120804T0300Z/
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289...

* AFFECTED AREA...FIRE WEATHER ZONE 289.

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

* RELATIVE HUMIDITY...AS LOW AS 6 PERCENT.

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

WYZ285-030300-
/O.CON.KRIW.FW.W.0018.120802T1800Z-120803T0300Z/
SOUTH BIGHORN MOUNTAINS-
1038 AM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 285...

* AFFECTED AREA...FIRE WEATHER ZONE 285.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                 FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY 
  WARM CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT 
  OF FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM 
  RECENT THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE 
  VISIBLE FIRES. 

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.

&&

$$

HTTP://WEATHER.GOV/RIVERTON
013 
WWUS85 KRIW 030311
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
911 PM MDT THU AUG 2 2012

...EXTREME FIRE WEATHER BEHAVIOR WILL DEVELOP AGAIN ACROSS SOUTHERN
AND CENTRAL PORTIONS ON FRIDAY...

.CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP ACROSS PORTIONS OF
CENTRAL AND SOUTHERN WYOMING AGAIN ON FRIDAY. A VERY DRY AND WARM
AIRMASS WILL PRECEDE AN APPROACHING COLD FRONT WITH GUSTY WEST
WIND DEVELOPING IN THE LATE MORNING. THE COLD FRONT WILL PUSH
ACROSS MOST OF CENTRAL WYOMING IN THE AFTERNOON AND ACROSS
SOUTHERN WYOMING FRIDAY EVENING. A SHARP WIND SHIFT FROM THE NORTH
TO NORTHEAST WILL ACCOMPANY THE FRONT ALONG WITH A FEW SHOWERS AND
THUNDERSTORMS.

WYZ286-287-030415-
/O.EXP.KRIW.FW.W.0018.000000T0000Z-120803T0300Z/
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-OWL CREEK MOUNTAINS-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 286 AND 287...

WINDS HAD SUBSIDED ACROSS MOST AREAS THIS EVENING AND RELATIVE
HUMIDITY HAS RECOVERED ABOVE CRITICAL THRESHOLDS. A COLD FRONT
WILL PUSH ACROSS THE AREA FRIDAY MORNING WITH COOLER TEMPERATURES
AND HIGHER RELATIVE HUMIDITY BEHIND THE FRONT ON FRIDAY. 

$$

WYZ280-281-300-030415-
/O.EXP.KRIW.FW.W.0018.000000T0000Z-120803T0300Z/
NATRONA COUNTY/CASPER BLM-JOHNSON COUNTY/CASPER BLM-
CASPER MOUNTAIN-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 280 AND 300...

WINDS HAD SUBSIDED ACROSS MOST AREAS THIS EVENING AND RELATIVE
HUMIDITY HAS RECOVERED ABOVE CRITICAL THRESHOLDS. A COLD FRONT
WILL PUSH ACROSS THE AREA FRIDAY MORNING WITH COOLER TEMPERATURES
AND HIGHER RELATIVE HUMIDITY BEHIND THE FRONT ON FRIDAY. 

$$

WYZ285-030415-
/O.EXP.KRIW.FW.W.0018.000000T0000Z-120803T0300Z/
SOUTH BIGHORN MOUNTAINS-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 285...

WINDS HAD SUBSIDED ACROSS MOST AREAS THIS EVENING AND RELATIVE
HUMIDITY HAS RECOVERED ABOVE CRITICAL THRESHOLDS. A COLD FRONT
WILL PUSH ACROSS THE AREA FRIDAY MORNING WITH COOLER TEMPERATURES
AND HIGHER RELATIVE HUMIDITY BEHIND THE FRONT ON FRIDAY. 

$$

WYZ140-415-030415-
/O.EXP.KRIW.FW.W.0018.000000T0000Z-120803T0300Z/
YELLOWSTONE NATIONAL PARK-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 140 AND 415...

WINDS HAD SUBSIDED ACROSS MOST AREAS THIS EVENING AND RELATIVE
HUMIDITY HAS RECOVERED ABOVE CRITICAL THRESHOLDS. A COLD FRONT
WILL PUSH ACROSS THE AREA FRIDAY MORNING WITH COOLER TEMPERATURES
AND HIGHER RELATIVE HUMIDITY BEHIND THE FRONT ON FRIDAY. 

$$

WYZ275-276-282-030415-
/O.EXP.KRIW.FW.W.0018.000000T0000Z-120803T0300Z/
NORTH BIG HORN BASIN/WORLAND BLM-CODY FOOTHILLS-
SOUTH BIG HORN BASIN/WORLAND BLM-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 275...276 AND
282...

WINDS HAD SUBSIDED ACROSS MOST AREAS THIS EVENING AND RELATIVE
HUMIDITY HAS RECOVERED ABOVE CRITICAL THRESHOLDS. A COLD FRONT
WILL PUSH ACROSS THE AREA FRIDAY MORNING WITH COOLER TEMPERATURES
AND HIGHER RELATIVE HUMIDITY BEHIND THE FRONT ON FRIDAY. 

$$

WYZ283-288-031200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 283 AND
288...

* AFFECTED AREA...FIRE WEATHER ZONES 283 AND 288.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40
  MPH...SHIFTING TO THE NORTH FRIDAY AFTERNOON.

* RELATIVE HUMIDITY...10 TO 15 PERCENT.

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED 
  FIRE GROWTH. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ277-279-031200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 277 AND
279...

* AFFECTED AREA...FIRE WEATHER ZONES 277 AND 279.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...SHIFTING 
  TO THE NORTHEAST FRIDAY EVENING. 

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED 
  FIRE GROWTH. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ289-031200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289...

* AFFECTED AREA...FIRE WEATHER ZONE 289.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH SHIFTING TO
  THE NORTH TO NORTHEAST LATE FRIDAY AFTERNOON...FRIDAY EVENING.

* RELATIVE HUMIDITY...10 TO 15 PERCENT.

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED 
  FIRE GROWTH. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ278-414-416-031200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
911 PM MDT THU AUG 2 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 278 AND
414...

* AFFECTED AREA...FIRE WEATHER ZONES 278...414 AND 416.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...SHIFTING TO
  THE NORTH BEFORE DIMINISHING FRIDAY EVENING.  

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

* HAINES INDEX...6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED 
  FIRE GROWTH. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

HTTP://WEATHER.GOV/RIVERTON
940 
WWUS85 KRIW 030811
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
211 AM MDT FRI AUG 3 2012

...EXTREME FIRE WEATHER BEHAVIOR WILL DEVELOP AGAIN ACROSS
SOUTHERN AND CENTRAL PORTIONS TODAY...

.CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP ACROSS PORTIONS OF
CENTRAL AND SOUTHERN WYOMING AGAIN TODAY. A VERY DRY AND WARM
AIRMASS WILL PRECEDE AN APPROACHING COLD FRONT WITH GUSTY WEST
WIND DEVELOPING IN THE LATE MORNING. THE COLD FRONT WILL PUSH
ACROSS MOST OF CENTRAL WYOMING THIS AFTERNOON AND ACROSS SOUTHERN
WYOMING THIS EVENING. A SHARP WIND SHIFT FROM THE NORTH TO
NORTHEAST WILL ACCOMPANY THE FRONT ALONG WITH A FEW SHOWERS AND
THUNDERSTORMS.

WYZ283-288-032200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
211 AM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 283 AND
288...

* AFFECTED AREA...FIRE WEATHER ZONES 283 AND 288.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH...
  SHIFTING TO THE NORTH THIS AFTERNOON.

* RELATIVE HUMIDITY...10 TO 15 PERCENT.

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME
  DOMINATED FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ277-279-032200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
211 AM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 277 AND
279...

* AFFECTED AREA...FIRE WEATHER ZONES 277 AND 279.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...SHIFTING TO
  THE NORTHEAST THIS EVENING.

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

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED
  FIRE GROWTH. HOWEVER 6 OR HIGH POTENTIAL FOR LARGE PLUME
  DOMINATED FIRE GROWTH IN SOUTHERN ZONE 279.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ289-032200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
211 AM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289...

* AFFECTED AREA...FIRE WEATHER ZONE 289.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH SHIFTING TO
  THE NORTH TO NORTHEAST LATE THIS AFTERNOON AND EVENING.

* RELATIVE HUMIDITY...10 TO 15 PERCENT.

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME
  DOMINATED FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ278-414-416-032200-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
211 AM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 278...
414 AND 416...

* AFFECTED AREA...FIRE WEATHER ZONES 278...414 AND 416.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...SHIFTING TO
  THE NORTH BEFORE DIMINISHING THIS EVENING.

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

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME
  DOMINATED FIRE GROWTH.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

HTTP://WEATHER.GOV/RIVERTON
043 
WWUS85 KRIW 032051
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
251 PM MDT FRI AUG 3 2012

...EXTREME FIRE WEATHER BEHAVIOR WILL CONTINUE ACROSS SOUTHERN
AND CENTRAL PORTIONS INTO THE EVENING HOURS...

.CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS PORTIONS
OF CENTRAL AND SOUTHERN WYOMING INTO THE EVENING HOURS. A VERY DRY AND
WARM AIR MASS WILL PRECEDE AN APPROACHING COLD FRONT WITH GUSTY
WINDS ON BOTH SIDES OF THE FRONT. THE COLD FRONT WILL PUSH
ACROSS SOUTHERN WYOMING THIS EVENING. A SHARP WIND SHIFT FROM THE
NORTH TO NORTHEAST WILL ACCOMPANY THE FRONT. 

WYZ283-288-040300-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
251 PM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 283 AND
288...

* AFFECTED AREA...FIRE WEATHER ZONES 283 AND 288.

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

* RELATIVE HUMIDITY...13 TO 18 PERCENT.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ277-279-040300-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
251 PM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 277 AND
279...

* AFFECTED AREA...FIRE WEATHER ZONES 277 AND 279.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...SHIFTING 
  TO THE NORTHEAST THIS EVENING. 

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

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME 
  DOMINATED FIRE GROWTH. HOWEVER 6 OR HIGH POTENTIAL FOR LARGE 
  PLUME DOMINATED FIRE GROWTH IN SOUTHERN ZONE 279. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ289-040300-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
251 PM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289...

* AFFECTED AREA...FIRE WEATHER ZONE 289.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH SHIFTING
  TO THE NORTH TO NORTHEAST THIS EVENING.

* RELATIVE HUMIDITY...10 TO 15 PERCENT.

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME 
  DOMINATED FIRE GROWTH. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ278-414-416-040300-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
251 PM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 278...
414 AND 416...

* AFFECTED AREA...FIRE WEATHER ZONES 278...414 AND 416.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH...SHIFTING 
  TO THE NORTH BEFORE DIMINISHING THIS EVENING. 

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

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME 
  DOMINATED FIRE GROWTH. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

HTTP://WEATHER.GOV/RIVERTON
828 
WWUS85 KRIW 040021
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
621 PM MDT FRI AUG 3 2012

...EXTREME FIRE WEATHER BEHAVIOR WILL CONTINUE ACROSS SOUTHERN
WYOMING EARLY THIS EVENING...

.CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS SOUTHERN
WYOMING INTO THE EVENING HOURS. WINDY AND DRY CONDITIONS WILL
CONTINUE THIS EVENING AHEAD OF A COLD FRONT. THIS FRONT WILL
PLUNGE SOUTH ACROSS SOUTHERN WYOMING BETWEEN 8 PM AND 10 PM THIS
EVENING. A SHARP WIND SHIFT FROM THE NORTH TO NORTHEAST WILL
ACCOMPANY THE FRONT.

WYZ278-283-288-414-416-040130-
/O.CAN.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
621 PM MDT FRI AUG 3 2012

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 278...414 AND 416...

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

RELATIVE HUMIDITY REMAINED OR RECOVERED ABOVE CRITICAL THRESHOLDS
EARLY THIS EVENING. TEMPERATURES WILL CONTINUE TO COOL AND
RELATIVE HUMIDITY RECOVER BEHIND A COLD FRONT. STRONGER WIND GUSTS
WILL CONTINUE TO DIMINISH THROUGH THE EARLY EVENING HOURS.  

$$

WYZ277-279-040300-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
621 PM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 277 AND
279...

* AFFECTED AREA...FIRE WEATHER ZONES 277 AND 279.

* WINDS...WEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. 

* RELATIVE HUMIDITY...10 TO 15 PERCENT.

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME 
  DOMINATED FIRE GROWTH. HOWEVER 6 OR HIGH POTENTIAL FOR LARGE 
  PLUME DOMINATED FIRE GROWTH IN SOUTHERN ZONE 279. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

WYZ289-040300-
/O.CON.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
621 PM MDT FRI AUG 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 289...

* AFFECTED AREA...FIRE WEATHER ZONE 289.

* WINDS...WEST WIND 15 TO 25 MPH WITH GUSTS TO 35 MPH...THEN A SHARP
  WIND SHIFT FROM THE NORTH TO NORTHEAST AT 15 TO 20 MPH WITH
  GUSTS TO 30 MPH EARLY THIS EVENING...BEFORE DIMINISHING.

* RELATIVE HUMIDITY...11 TO 15 PERCENT. 

* HAINES INDEX...5 OR MODERATE POTENTIAL FOR LARGE PLUME 
  DOMINATED FIRE GROWTH. 

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY...VERY WARM 
  CONDITIONS AND BREEZY CONDITIONS WILL INCREASE THE THREAT OF 
  FIRES TO SPREAD QUICKLY OR ALLOW SMOLDERING AREAS FROM RECENT 
  THUNDERSTORM ACTIVITY TO QUICKLY DEVELOP INTO MORE VISIBLE 
  FIRES. 

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.

&&

$$

HTTP://WEATHER.GOV/RIVERTON
648 
WWUS85 KRIW 040303
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
903 PM MDT FRI AUG 3 2012


WYZ277-279-289-040415-
/O.EXP.KRIW.FW.W.0018.000000T0000Z-120804T0300Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
903 PM MDT FRI AUG 3 2012

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 277 AND 279...

WINDS HAVE SUBSIDED AND RELATIVE HUMIDITY HAS RECOVERED ABOVE
CRITICAL LEVELS THIS EVENING. THEREFORE THE RED FLAG WARNING HAS
BEEN ALLOWED TO EXPIRE. A COLD FRONT WILL CONTINUE TO PUSH SOUTH
ACROSS THE AREA THIS EVENING...BRINGING A SHARP WIND SHIFT FROM
THE NORTH TO NORTHEAST.

$$

HTTP://WEATHER.GOV/RIVERTON

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before this red flag warning went out at Aug 1, 11:04 PM MDT, 3 hours 8 minutes earlier.

Area forecast discussion, Aug 1, 11:04 PM MDT, 3 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
1104 PM MDT WED AUG 1 2012

.SHORT TERM...TONIGHT THROUGH SATURDAY

SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS WESTERN AND CENTRAL
WYOMING THIS EVENING AS A COLD FRONT AND UPPER LEVEL LOW PRESSURE
TROUGH MOVES THROUGH. THE BEST CHANCES FOR PRECIPITATION AND
LIGHTNING WILL BE IN THE MOUNTAINS. BEHIND THE TROUGH ON THURSDAY
DRY WARM AND BREEZY CONDITIONS WILL DEVELOP. TEMPERATURES WILL BE
SLIGHTLY COOLER. A STRONGER COLD FRONT WILL MOVE SOUTH FROM
MONTANA THURSDAY NIGHT AND FRIDAY. THE SOUTH WILL REMAIN DRY AND
WINDY FRIDAY AFTERNOON AND EVENING. FRIDAY NIGHT AND SATURDAY WILL
BE DRY AND COOLER WITH HIGH PRESSURE AND LIGHTER WINDS OVER THE
AREA BEHIND THE COLD FRONT.

.LONG TERM...SATURDAY NIGHT THROUGH WEDNESDAY

HIGH PRESSURE WILL CONTINUE TO BRING MAINLY DRY WEATHER THROUGH
SATURDAY NIGHT AND INTO SUNDAY MORNING...ALTHOUGH WITH SOME MORE
SOUTHERLY FLOW RETURNING SUNDAY MORNING WILL STAY A BIT WARMER THAN
SATURDAY MORNING. WITH A RIDGE OF HIGH PRESSURE OVER THE SOUTHERN
PLAINS RETROGRADING TOWARD THE SOUTHERN ROCKIES THE REPRIEVE FROM
HOT TEMPERATURES LOOKS TO BE SHORT AS HIGH TEMPERATURES ONCE AGAIN
CLIMB TO NEAR TO ABOVE NORMAL LEVELS WITH MANY BASIN LOCATIONS
AROUND 90 DEGREES ONCE AGAIN. A BIT OF MONSOONAL MOISTURE WILL BEGIN
TO CREEP BACK INTO THE AREA FOR SUNDAY AFTERNOON AND EVENING BUT ANY
CONVECTION SHOULD BE LIMITED TO THE HIGHEST ELEVATIONS OF AREAS WEST
OF THE DIVIDE. MONDAY THROUGH ESPECIALLY TUESDAY LOOK TO SHOW THE
RETURN OF THE MONSOONAL PATTERN TO THE AREA. COVERAGE WILL INCREASE
ON MONDAY BUT FOR THE MOST PART LIMITED SHOWERS AND THUNDERSTORMS TO
THE MOUNTAINS AND ADJACENT FOOTHILLS. THE MODELS DIFFER ON THE
DETAILS FOR TUESDAY AND WEDNESDAY SO WE BROAD BRUSHED ISOLATED POPS
FOR THE BASINS AND CHANCE POPS ACROSS THE MOUNTAINS.

&&

.AVIATION.../06Z ISSUANCE/

A FEW SHOWERS WILL MAINLY BETWEEN KRIW-KCPR WILL DISSIPATE BY 08Z.
OTHERWISE VFR...MAINLY SKC...CONDITIONS WILL PREVAIL TODAY AND
TONIGHT.  SFC WEST WIND AT 10-20KTS WILL PREVAIL OVER MUCH OF THE
AREA THIS AFTERNOON.  A COLD FRONT WILL PUSH SOUTH TO VCNTY
KCOD-KBYG LINE BY 12Z FRIDAY USHERING IN A WIND SHIFT FROM THE NORTH
AND A FEW SHOWERS.

&&

.FIRE WEATHER...

SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS WESTERN AND CENTRAL
WYOMING THIS EVENING AS A COLD FRONT AND UPPER LEVEL LOW PRESSURE
TROUGH MOVES THROUGH. THE BEST CHANCES FOR PRECIPITATION AND
LIGHTNING WILL BE IN THE MOUNTAINS. BEHIND THE TROUGH ON THURSDAY
DRY WARM AND BREEZY CONDITIONS WILL DEVELOP WITH POTENTIAL RED
FLAG CONDITIONS. FIRE WEATHER WATCHES ARE IN EFFECT FOR MUCH OF
THE AREA THURSDAY AFTERNOON AND EVENING. A STRONGER COLD FRONT
WILL MOVE SOUTH FROM MONTANA THURSDAY NIGHT AND FRIDAY. THE SOUTH
WILL REMAIN DRY AND WINDY FRIDAY AFTERNOON AND EVENING WHERE FIRE
WEATHER WATCHES ARE IN EFFECT. PLEASE REFER TO THE FIRE WEATHER
WATCH AND FIRE WEATHER FORECAST FOR FURTHER DETAILS.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH FROM THURSDAY AFTERNOON THROUGH FRIDAY
EVENING WYZ277-279-289.

FIRE WEATHER WATCH FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING WYZ278-280-283-285>288-300-414.

&&

SHORT TERM...C.BAKER
LONG TERM...HATTINGS
AVIATION...AEM
FIRE WEATHER...C.BAKER
Hazardous weather outlook, Aug 1, 4:00 AM MDT, 22 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
400 AM MDT WED AUG 1 2012

WYZ001>020-022>030-021200-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
400 AM MDT WED AUG 1 2012

...FIRE WEATHER WATCH FOR MUCH OF CENTRAL AND SOUTHERN WYOMING
THURSDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

ISOLATED TO LOCALLY SCATTERED THUNDERSTORMS...MAINLY OVER THE SOUTH
AND EAST THIS AFTERNOON AND EVENING.  STORMS WILL BE CAPABLE
OF PRODUCING SMALL HAIL...WIND GUSTS IN EXCESS OF 40 MPH...AND
DANGEROUS CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THURSDAY...ELEVATED TO EXTREME FIRE BEHAVIOR POSSIBLE...OVER MUCH OF
WESTERN AND CENTRAL WYOMING.

FRIDAY...ELEVATED TO EXTREME FIRE BEHAVIOR POSSIBLE...MAINLY OVER
THE SOUTH AND SOUTHWEST.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER...
INCLUDING ANY DAMAGE...WIND GUSTS OVER 40 MPH...AND HAIL OF ANY
SIZE.

TEAM RIVERTON

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.