FNUS75 KSLC 240043
FWSSLC

SPOT FORECAST FOR STEEP CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
635 PM MDT THU JUL 23 2009

.DISCUSSION...UPPER LEVEL AREA OF HIGH PRESSURE OVER THE GREAT BASIN
WILL SHIFT SLOWLY TO THE EAST TONIGHT THROUGH FRIDAY.  THIS WILL
ALLOW DEEP MOISTURE TO RETURN TO THE STATE FRIDAY AND SATURDAY.
THIS DEEP MOISTURE COMBINED WITH WEAK INSTABILITY WILL RESULT IN
SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ON FRIDAY AND
SATURDAY. WITH DEEPER MOISTURE IN PLACE THESE STORMS WILL BE CAPABLE
OF PRODUCING WETTING RAINS.  GUSTY ERRATIC WINDS WILL BE POSSIBLE
NEAR ANY STORMS AS WELL.  UNDERNEATH THIS UPPER LEVEL RIDGE THE FLOW
WILL BE LIGHT RESULTING IN LARGELY TERRAIN DRIVEN WINDS OVER THE
NEXT SEVERAL DAYS. HOWEVER...EXPOSED AREAS NEAR RIDGETOP MAY
EXPERIENCE VASTLY DIFFERENT WINDS...SEE WIND FORECASTS BELOW FOR
MORE SPECIFIC INFORMATION.  ALSO...WITH INCREASED CLOUD COVER
AFTERNOON HIGH TEMPERATURES WILL BE A BIT COOLER ALTHOUGH OVERNIGHT
LOWS WILL REMAIN QUITE MILD.  OVERNIGHT RECOVERY SHOULD IMPROVE THE
NEXT TWO NIGHTS AND AFTERNOON MINIMUM RELATIVE HUMIDITIES WILL BE
HIGHER THAN THE PAST SEVERAL DAYS AND ARE EXPECTED TO REMAIN ABOVE
CRITICAL LEVELS.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      UNTIL MIDNIGHT.
  MIN TEMPERATURE.....51-56.
  MAX HUMIDITY........50-55 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 15 BECOMING
                      DOWNSLOPE/DOWNVALLEY 3 TO 8 MPH AFTER 2100.
                      RIDGETOP...SOUTHWEST 10 TO 15 WITH GUSTS TO
                      20 MPH BECOMING WEST 5 TO 10 MPH AFTER 2400.

.FRIDAY...
  LAL.................1 UNTIL NOON...THEN 4.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN MOSTLY CLOUDY (70-80
                      PERCENT CLOUD COVER) WITH SCATTERED SHOWERS
                      AND THUNDERSTORMS AFTER NOON.
  MAX TEMPERATURE.....71-76.
  MIN HUMIDITY........21-26 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY 5 TO 10 MPH.
                      RIDGETOP...WEST 10 TO 15 MPH WITH GUSTS TO
                      20 MPH.

.OUTLOOK FOR SATURDAY...
  LAL.................1 UNTIL NOON...THEN 4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....71-76.
  MIN HUMIDITY........23-28 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY 5 TO 10 MPH.
                      RIDGETOP...WEST 10 TO 15 MPH WITH GUSTS TO
                      20 MPH.

FORECASTER...GRAHAM
REQUESTED BY...RUSS IVIE
REASON FOR REQUEST...WILDFIRE
.TAG 20090723.STEEP.03/SLC

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