FNUS75 KSLC 181044
FWSSLC

SPOT FORECAST FOR MUTTON
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
444 AM MDT WED AUG 18 2010

.DISCUSSION...HIGH PRESSURE IS SHIFTING EAST THIS
MORNING...ALLOWING FOR SOUTHWESTERLY FLOW TO DEVELOP OVER THE FIRE
SITE. THIS IS CAUSING A RAPID INCREASE IN MOISTURE OVER THE
AREA...AND NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP IN THE
VICINITY OF THE FIRE SITE THIS AFTERNOON. ANY SHOWERS AND
THUNDERSTORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING WETTING
RAINS. MOISTURE WILL REMAIN IN PLACE THROUGH THURSDAY AS A PACIFIC
TROUGH GRAZES NORTHERN UTAH...ALLOWING SHOWERS AND THUNDERSTORMS TO
CONTINUE TO DEVELOP. THE FIRE SITE IS EXPECTED TO SEE SLIGHT
DRYING FRIDAY BEHIND THE TROUGH...BUT THE FLOW IS EXPECTED TO TURN
SOUTHWESTERLY AGAIN ON SATURDAY...ALLOWING MOISTURE TO SURGE BACK
INTO THE AREA.

.TODAY...
LAL...................2 UNTIL NOON...THEN 5.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN MOSTLY CLOUDY (70-80
                      PERCENT CLOUD COVER). ISOLATED
                      SHOWERS AND THUNDERSTORMS UNTIL NOON...THEN
                      NUMEROUS SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.......70-74.
MIN HUMIDITY..........50-54 PERCENT.
WIND (20 FT)..........UPSLOPE/UPVALLEY WINDS 3-7 MPH BECOMING SOUTHWEST
                      8-12 MPH IN THE AFTERNOON.

.TONIGHT...
LAL...................5 UNTIL MIDNIGHT...THEN 4.
HAINES INDEX..........3 ..VERY LOW.
SKY/WEATHER...........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER).
                      NUMEROUS SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT...THEN SCATTERED SHOWERS AND
                      THUNDERSTORMS.
MIN TEMPERATURE.......54-58.
MAX HUMIDITY..........88-92 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 8-12 MPH BECOMING
                      DOWNSLOPE/DOWNVALLEY 3-7 MPH AFTER MIDNIGHT.

.OUTLOOK FOR THURSDAY...
LAL...................4.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.......73-77.
MIN HUMIDITY..........48-52 PERCENT.
WIND (20 FT)..........UPSLOPE/UPVALLEY WINDS 3-7 MPH BECOMING WEST
                      5-10 MPH IN THE AFTERNOON.



FORECASTER...TRAPHAGAN
REQUESTED BY...TREVOR FRANDSEN
REASON FOR REQUEST...WILDFIRE
.TAG 20100817.MUTTO.02/SLC

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