Red Flag Warning
Issued by NWS Riverton, WY

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WWUS85 KRIW 260300
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
900 PM MDT FRI JUL 25 2014

...RED FLAG WARNING IN EFFECT THROUGH 9 PM MDT SATURDAY FOR SOUTHERN
WYOMING FIRE ZONE 279...

.WIND...LOW RELATIVE HUMIDITY AND HIGH HAINES INDEX OF 5 WILL
COMBINE WITH CRITICALLY DRY VEGETATION AND RESULT IN DANGEROUS
BURNING CONDITIONS THROUGH THIS EVENING FOR SOUTHERN WYOMING. THE
TIME FRAME FOR THE WIND TO COMBINE WITH THE LOW RELATIVE HUMIDITY
FOR POTENTIAL CRITICAL FIRE WEATHER CONDITIONS WILL BE FROM SATURDAY
AFTERNOON ACROSS FIRE WEATHER ZONE 279. THIS WILL BRING ANOTHER
ROUND OF CRITICAL FIRE WEATHER BEHAVIOR WHICH WILL BE PRESENT
THROUGH SATURDAY EVENING.

WYZ280-300-260400-
/O.EXP.KRIW.FW.W.0005.000000T0000Z-140726T0300Z/
NATRONA COUNTY/CASPER BLM-CASPER MOUNTAIN-
900 PM MDT FRI JUL 25 2014

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
AFTERNOON FOR FIRE WEATHER ZONES 280 AND 300...

WIND SPEEDS HAVE DROPPED CONSIDERABLY AND RELATIVE HUMIDITY IS
BEGINNING TO RISE. WIND SPEEDS ON SATURDAY SHOULD REMAIN BELOW
CRITICAL LEVELS...THEREFORE THE RED FLAG WARNING WILL BE ALLOWED
TO EXPIRE THIS EVENING.

$$

WYZ283-260400-
/O.EXP.KRIW.FW.W.0005.000000T0000Z-140726T0300Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
900 PM MDT FRI JUL 25 2014

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
AFTERNOON FOR FIRE WEATHER ZONE 283...

WIND SPEEDS HAVE DROPPED CONSIDERABLY AND RELATIVE HUMIDITY IS
BEGINNING TO RISE. WIND SPEEDS ON SATURDAY SHOULD REMAIN BELOW
CRITICAL LEVELS...THEREFORE THE RED FLAG WARNING WILL BE ALLOWED
TO EXPIRE THIS EVENING.

$$

WYZ285-287-260400-
/O.EXP.KRIW.FW.W.0005.000000T0000Z-140726T0300Z/
SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS-
900 PM MDT FRI JUL 25 2014

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
AFTERNOON FOR FIRE WEATHER ZONES 285 AND 287...

WIND SPEEDS HAVE DROPPED CONSIDERABLY AND RELATIVE HUMIDITY IS
BEGINNING TO RISE. WIND SPEEDS ON SATURDAY SHOULD REMAIN BELOW
CRITICAL LEVELS...THEREFORE THE RED FLAG WARNING WILL BE ALLOWED
TO EXPIRE THIS EVENING.

$$

WYZ279-261000-
/O.CON.KRIW.FW.W.0005.000000T0000Z-140727T0300Z/
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
900 PM MDT FRI JUL 25 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR
AFTERNOON WINDS...LOW RELATIVE HUMIDITY...AND A HAINES INDEX OF
5 FOR FIRE WEATHER ZONE 279...

* AFFECTED AREA...FIRE WEATHER ZONE 279.

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

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

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE
  BEHAVIOR AND RAPID RATES OF SPREAD IN DRY FUELS.

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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

HTTP://WEATHER.GOV/RIVERTON





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