Red Flag Warning
Issued by NWS Riverton, WY

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000
WWUS85 KRIW 252043
RFWRIW

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

...RED FLAG WARNING IN EFFECT THROUGH 9 PM MDT TONIGHT CENTRAL
WYOMING FIRE ZONES...AND THROUGH SATURDAY EVENING FOR 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 CENTRAL AND SOUTHERN WYOMING.
THE TIME FRAME FOR THE WIND TO COMBINE WITH THE LOW RELATIVE
HUMIDITY FOR POTENTIAL CRITICAL FIRE WEATHER CONDITIONS WILL BE
THROUGH 9 PM TONIGHT. AFTER A LULL IN ACTIVITY OVERNIGHT...GUSTY
WIND...LOW HUMIDITY...AND WARM TEMPERATURES WILL COMBINE WITH
CRITICALLY DRY VEGETATION AGAIN SATURDAY AFTERNOON ACROSS FIRE
WEATHER ZONE 279. THIS WILL BRING ANOTHER ROUND OF CRITICAL FIRE
WEATHER BEHAVIOR WHICH WILL BE PRESENT THROUGH SATURDAY EVENING.

WYZ279-260315-
/O.EXT.KRIW.FW.W.0005.000000T0000Z-140727T0300Z/
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
243 PM MDT FRI JUL 25 2014

...RED FLAG WARNING NOW 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 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 9 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.

&&

$$

WYZ280-300-260300-
/O.CON.KRIW.FW.W.0005.000000T0000Z-140726T0300Z/
NATRONA COUNTY/CASPER BLM-CASPER MOUNTAIN-
243 PM MDT FRI JUL 25 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR AFTERNOON WIND...LOW RELATIVE HUMIDITY...AND A HAINES INDEX
OF 5 FOR FIRE WEATHER ZONES 280 AND 300...

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

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

&&

$$

WYZ283-260300-
/O.CON.KRIW.FW.W.0005.000000T0000Z-140726T0300Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
243 PM MDT FRI JUL 25 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR AFTERNOON WIND...LOW RELATIVE HUMIDITY...AND A HAINES INDEX
OF 5 FOR FIRE WEATHER ZONE 283...

* AFFECTED AREA...FIRE WEATHER ZONE 283.

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

&&

$$

WYZ285-287-260300-
/O.CON.KRIW.FW.W.0005.000000T0000Z-140726T0300Z/
SOUTH BIGHORN MOUNTAINS-OWL CREEK MOUNTAINS-
243 PM MDT FRI JUL 25 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR AFTERNOON WINDS...LOW RELATIVE HUMIDITY...AND A HAINES INDEX
OF 5 FOR FIRE WEATHER ZONES 285 AND 287...

* AFFECTED AREA...FIRE WEATHER ZONES 285 AND 287.

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

* RELATIVE HUMIDITY...AS LOW AS 11 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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