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Red Flag Warning


URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
902 PM MDT THU JUL 24 2014

...RED FLAG WARNING IN EFFECT THROUGH 9 PM MDT FRIDAY FOR FIRE
ZONES 276...279...280...283...285...287 AND 300... ...RED FLAG
WARNING UNTIL 9 PM THIS EVENING FOR 275...281 AND 282...

.WIND...LOW RELATIVE HUMIDITY AND HIGH HAINES INDEX OF 5 TO
6 WILL COMBINE WITH CRITICALLY DRY VEGETATION TO RESULT IN
DANGEROUS BURNING CONDITIONS THROUGH THIS EVENING AND AGAIN
FRIDAY AFTERNOON AND EVENING. THE TIME FRAME FOR THE WIND TO
COMBINE WITH THE LOW RELATIVE HUMIDITY FOR POTENTIAL CRITICAL
FIRE WEATHER CONDITIONS WILL BE THROUGH 9 PM TODAY AND AGAIN FROM
NOON THROUGH 9 PM FRIDAY. ADDITIONALLY... THERE WILL BE A CHANCE
FOR AN ISOLATED DRY THUNDERSTORM THIS MORNING AND AFTERNOON FOR
ZONES 279...280...AND 300. ADDED IN ZONES 275...281 AND
282 THROUGH THIS EVENING FOR HOT TEMPERATURES...STRONG WIND AND
LOW RH.

WYZ279-251000-
/O.CON.KRIW.FW.W.0005.000000T0000Z-140726T0300Z/
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
902 PM MDT THU JUL 24 2014

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

* AFFECTED AREA...FIRE WEATHER ZONE 279.

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

&&

$$

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Page last modified: June 2, 2009
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