FNUS75 KSLC 201031
FWSSLC

SPOT FORECAST FOR MUTTON
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
431 AM MDT FRI AUG 20 2010

.DISCUSSION...STABLE AND DRY CONDITIONS EXIST STATEWIDE THIS
MORNING IN WAKE OF YESTERDAYS POTENT TROUGH. THAT SAID...A RIBBON
OF REMNANT MID LEVEL MOISTURE FROM AFOREMENTIONED TROUGH EXISTS
ALONG THE UTAH/ARIZONA BORDER THIS MORNING. INCREASING
SOUTHWESTERLY FLOW ALOFT TODAY WILL SHIFT THAT MOISTURE NORTH AND
EAST...BUT NOT EXPECTING WIDESPREAD CONVECTION. RATHER ONLY A NET
INCREASE OF MID LEVEL CLOUDS WITH ONLY A SLIGHT CHANCE FOR
ISOLATED CONVECTION OVER SURROUNDING HIGH TERRAIN OF THE MUTTON
WILDFIRE LATE THIS AFTERNOON.

MOISTURE WILL CONTINUE TO INCREASE OVERNIGHT TONIGHT THROUGH
SUNDAY AS SOUTHWESTERLY FLOW CONTINUES TO INCREASE ALOFT.
ISOLATED CONVECTION POSSIBLE AGAIN SATURDAY AFTERNOON...WITH
INCREASING WINDS FROM THE SOUTH DURING THE AFTERNOON HOURS. WINDS
EXPECTED TO BECOME LESS DIURNALLY DRIVEN WITH SOUTHEAST WIND
WINDOW LIKELY HOLDING INTO THE OVERNIGHT HOURS SATURDAY NIGHT.
SCATTERED STORMS POSSIBLE SUNDAY.

.REST OF TONIGHT...
LAL...................1.
HAINES INDEX..........2 ..VERY LOW.
SKY/WEATHER...........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
MIN TEMPERATURE.......43-46.
MAX HUMIDITY..........95-99 PERCENT.
WIND (20 FT)..........NORTHWEST WINDS 4-7 MPH.

.FRIDAY...
LAL...................1 UNTIL 1500...THEN 2.
HAINES INDEX..........4 ..LOW.
CLEARING INDEX........930.
SKY/WEATHER...........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN PARTLY CLOUDY (30-40
                      PERCENT CLOUD COVER). AN ISOLATED SHOWER
                      OR THUNDERSTORM CAN NOT BE RULED OUT AFTER
                      1500 ABOVE HIGHER TERRAIN SURROUNDING SITE.
MAX TEMPERATURE.......76-78.
MIN HUMIDITY..........36-38 PERCENT.
WIND (20 FT)..........NORTHWEST WINDS 4-7 MPH SHIFTING TO SOUTHEAST
                      5-9 LATE IN THE MORNING.

.OUTLOOK FOR SATURDAY...
LAL...................1 UNTIL NOON...THEN 2.
HAINES INDEX..........4 ..LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (50-60 PERCENT CLOUD
                      COVER). ISOLATED SHOWERS AND THUNDERSTORMS IN
                      THE AFTERNOON.
MAX TEMPERATURE.......80-83.
MIN HUMIDITY..........32-34 PERCENT.
WIND (20 FT)..........NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
                      AND INCREASING TO 8 TO 16 MPH IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...TREVOR FRANDSEN
REASON FOR REQUEST...WILDFIRE
.TAG 20100819.MUTTO.01/SLC

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