FNUS75 KSLC 040103
FWSSLC

SPOT FORECAST FOR WEST SCOFIELD RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
703 PM MDT THU SEP 3 2009

.DISCUSSION...CONVECTION IS RAPIDLY DISSIPATING  AT THIS TIME
WITH BULK OF SHOWERS NOW FOCUSED SOUTH OF THE WEST SCOFIELD BURN
SITE OVER THE SOUTHERN WASATCH PLATEAU. IN THE SHORT TERM...LOOK
FOR SKIES TO TURN PARTLY CLOUDY WITH DIURNALLY DRIVEN SLOPE FLOWS
DEVELOPING OVER THE NEXT TWO TO THREE HOURS AS HIGH PRESSURE ALOFT
CONTINUES TO DOMINATE LOCAL WEATHER PATTERNS. MOISTURE WILL
CONTINUE TO INCREASE ALOFT OVER THE NEXT 24 TO 36 HOURS...AND
ANTICIPATE A SLIGHT INCREASE IN SURFACE HUMIDITY TRENDS THROUGH
THAT TIME. WITH A CONTINUED INCREASE OF MOISTURE...AREAL COVERAGE
OF AFTERNOON SHOWERS AND THUNDERSTORMS WILL INCREASE AS A
RESULT...WITH TIMING OF BUILDUPS OCCURRING AFTER 11AM EACH DAY
THROUGH SUNDAY. STILL EXPECT ERRATIC WIND GUSTS TO BE THE PRIMARY
FIRE WEATHER CONCERN ASSOCIATED WITH STORM PASSAGE.

.TONIGHT...
  LAL.................2 UNTIL 2200...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).
                      A SLIGHT CHANCE OF ISOLATED SHOWERS AND
                      THUNDERSTORMS THROUGH 2200...THEN DRY.
  MIN TEMPERATURE.....50-52.
  MAX HUMIDITY........52-54 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE.

.FRIDAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......910.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN MOSTLY CLOUDY (70-80
                      PERCENT CLOUD COVER). A SLIGHT CHANCE OF
                      ISOLATED SHOWERS AND THUNDERSTORMS UNTIL
                      NOON...THEN SCATTERED SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....65-67.
  MIN HUMIDITY........26-28 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 MPH SHIFTING TO THE SOUTH
                      IN THE AFTERNOON.

.OUTLOOK FOR SATURDAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER)
                      THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT
                      CLOUD COVER). A SLIGHT CHANCE OF SHOWERS AND
                      THUNDERSTORMS IN THE MORNING...THEN A CHANCE
                      OF SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....63-66.
  MIN HUMIDITY........31-33 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 MPH SHIFTING TO THE SOUTH
                      IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...MOAB FIRE CENTER
REASON FOR REQUEST...PRESCRIBED
.TAG 20090903.WESTS.02/SLC

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