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WWUS85 KCYS 090810
RFWCYS
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
210 AM MDT WED JUL 9 2025
RED FLAG WARNING IN EFFECT FOR CRITICALLY LOW RH VALUES WEDNESDAY
ALONGSIDE POOR OVERNIGHT RECOVERIES EARLY THIS MORNING WITH
BREEZY AFTERNOON WINDS.
WYZ420>423-425-427-092130-
/O.CON.KCYS.FW.W.0011.000000T0000Z-250710T0400Z/
NORTH LARAMIE VALLEY/SHIRLEY BASIN-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL AND WEST CARBON-
SOUTHWEST CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
NORTH SNOWY RANGE FOOTHILLS-
210 AM MDT WED JUL 9 2025
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR DRY AND BREEZY CONDITIONS WITH POOR OVERNIGHT
RECOVERIES...
* AFFECTED AREA...FIRE WEATHER ZONE 420, 421, 422, AND ZONE 425.
* WIND...10 TO 15 MPH WITH GUSTS UP TO 30 MPH.
* HUMIDITY...8 TO 13 PERCENT. OVERNIGHT RECOVERY 25 TO 30
PERCENT EARLY THIS MORNING.
* IMPACTS...ANY FIRES THAT DEVELOP MAY 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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