Red Flag Warning
Issued by NWS Riverton, WY

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WWUS85 KRIW 201857
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1257 PM MDT TUE SEP 20 2016

...CRITICAL FIRE WEATHER THIS AFTERNOON FOR PORTIONS OF CENTRAL
WYOMING...

.A VERY DRY AIR MASS WITH GUSTY SOUTHWEST WINDS AND A HAINES
INDEX OF A 6 WILL COMBINE FOR CRITICAL FIRE WEATHER CONDITIONS IN
SOUTHEAST FREMONT INTO MUCH OF NATRONA COUNTY UNTIL 8 PM MDT.

WYZ280-289-210200-
/O.CON.KRIW.FW.W.0031.000000T0000Z-160921T0200Z/
NATRONA COUNTY/CASPER BLM-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
1257 PM MDT TUE SEP 20 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR RELATIVE HUMIDITY AND HAINES INDEX FOR FIRE WEATHER ZONES
280 AND 289...

* WIND...SOUTHWEST WIND 10 TO 15 MPH WITH GUSTS 20 TO 25 MPH.

* HUMIDITY...AS LOW AS 10 PERCENT

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

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED.

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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