Red Flag Warning
Issued by NWS Cheyenne, WY

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000
WWUS85 KCYS 202027
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
227 PM MDT SUN JUL 20 2014

...PROLONGED PERIOD OF CRITICAL FIRE WEATHER CONDITIONS THROUGH
MONDAY EVENING...

.HOT...DRY AND BREEZY CONDITIONS ARE EXPECTED THROUGH EARLY THIS
EVENING. GUSTY WEST WINDS TO 35 MPH WILL COMBINE WITH HUMIDITIES
AS LOW AS 10 PERCENT TO PROMOTE RAPID FIRE GROWTH POTENTIAL. WINDS
WILL DIMINISH BY SUNSET THIS EVENING...AND HUMIDITY VALUES WILL
IMPROVE OVERNIGHT. SIMILAR CONDITIONS WILL RETURN TO THE SAME
AREAS ON MONDAY AFTERNOON AND EVENING. THE RED FLAG WARNING HAS
BEEN EXTENDED UNTIL 800 PM MDT MONDAY.

WYZ301-302-306-210430-
/O.EXT.KCYS.FW.W.0007.000000T0000Z-140722T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF-
UPPER NORTH PLATTE RIVER BASIN-
227 PM MDT SUN JUL 20 2014

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT MONDAY FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...302 AND
306...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE
  WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE
  WEATHER ZONE 306 UPPER NORTH PLATTE RIVER BASIN.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH IN THE
  AFTERNOON.

* RELATIVE HUMIDITY...10 TO 15 PERCENT IN THE AFTERNOON.

* IMPACTS...WARM AND DRY CONDITIONS COMBINED WITH GUSTY WINDS
  WILL CREATE THE POTENTIAL FOR RAPID FIRE GROWTH.

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.

&&

$$

HAMMER




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