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000
WWUS85 KRIW 180821
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
221 AM MDT THU SEP 18 2014

...DRY WINDY AND WARM CONDITIONS EXPECTED ACROSS NATRONA COUNTY
TODAY...

.CONTINUED HIGH PRESSURE OVER EASTERN WYOMING WILL ALLOW
TEMPERATURES TO WARM TODAY. ADDITIONALLY...THIS SYSTEM WILL
PERMIT RELATIVE HUMIDITY TO DROP BELOW CRITICAL LEVELS THIS
AFTERNOON ACROSS NATRONA COUNTY...WITH A RETURN OF GUSTY WIND.
THESE WEATHER ELEMENTS...COMBINED WITH THE PRESENCE OF CRITICALLY
DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS
AFTERNOON ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY.

WYZ280-181815-
/O.NEW.KRIW.FW.W.0012.140918T1800Z-140919T0200Z/
NATRONA COUNTY/CASPER BLM-
221 AM MDT THU SEP 18 2014

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
280...

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 8 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 280.

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

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

* IMPACTS...THE COMBINATION OF DRY...WARM...AND WINDY CONDITIONS
  WILL RESULT IN AN APPROPRIATE ENVIRONMENT FOR EXTREME FIRE
  BEHAVIOR THIS AFTERNOON.

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.

&&

$$

BRANHAM

HTTP://WEATHER.GOV/RIVERTON





000
WWUS85 KRIW 180821
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
221 AM MDT THU SEP 18 2014

...DRY WINDY AND WARM CONDITIONS EXPECTED ACROSS NATRONA COUNTY
TODAY...

.CONTINUED HIGH PRESSURE OVER EASTERN WYOMING WILL ALLOW
TEMPERATURES TO WARM TODAY. ADDITIONALLY...THIS SYSTEM WILL
PERMIT RELATIVE HUMIDITY TO DROP BELOW CRITICAL LEVELS THIS
AFTERNOON ACROSS NATRONA COUNTY...WITH A RETURN OF GUSTY WIND.
THESE WEATHER ELEMENTS...COMBINED WITH THE PRESENCE OF CRITICALLY
DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS
AFTERNOON ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY.

WYZ280-181815-
/O.NEW.KRIW.FW.W.0012.140918T1800Z-140919T0200Z/
NATRONA COUNTY/CASPER BLM-
221 AM MDT THU SEP 18 2014

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
280...

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 8 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 280.

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

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

* IMPACTS...THE COMBINATION OF DRY...WARM...AND WINDY CONDITIONS
  WILL RESULT IN AN APPROPRIATE ENVIRONMENT FOR EXTREME FIRE
  BEHAVIOR THIS AFTERNOON.

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.

&&

$$

BRANHAM

HTTP://WEATHER.GOV/RIVERTON






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