FNUS75 KSLC 180138
FWSSLC

SPOT FORECAST FOR SPRING FIRE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
738 PM MDT WED AUG 17 2011

.DISCUSSION...AN INCREASINGLY SOUTHERLY FLOW ALOFT WILL ALLOW
MONSOONAL MOISTURE TO SPREAD BACK INTO THE AREA BEGINNING TONIGHT.
THIS WILL ALLOW INCREASED COVERAGE OF SHOWERS AND THUNDERSTORMS
TOMORROW AND FRIDAY. THE BIGGEST THREAT WITH ANY STORMS THAT
DEVELOP TOMORROW WILL BE GUSTY WINDS...WHILE HEAVY RAIN IS MORE
LIKELY WITH STORMS ON FRIDAY. A DRIER AIRMASS IS EXPECTED TO MOVE
IN FROM THE WEST BEGINNING SATURDAY.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....54-56.
  MAX HUMIDITY........30-32 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 10-15 MPH WITH GUSTS TO 25 MPH BECOMING
                      DOWNSLOPE/DOWNVALLEY 3-7 MPH OVERNIGHT.

.THURSDAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER) UNTIL
                      NOON...THEN PARTLY CLOUDY (35-45 PERCENT
                      CLOUD COVER). A CHANCE OF THUNDERSTORMS AND
                      SHOWERS AFTER NOON.
  MAX TEMPERATURE.....74-78.
  MIN HUMIDITY........14-18 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS 3-7 MPH BECOMING WEST 10-15
                      MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
                      POSSIBLE NEAR ANY THUNDERSTORMS.

.OUTLOOK FOR FRIDAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (35-45 PERCENT CLOUD
                      COVER). A CHANCE OF SHOWERS AND THUNDERSTORMS
                      IN THE AFTERNOON.
  MAX TEMPERATURE.....73-77.
  MIN HUMIDITY........23-226 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS 3-7 MPH BECOMING WEST 10-15
                      MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
                      POSSIBLE NEAR ANY THUNDERSTORMS.



FORECASTER...TRAPHAGAN
REQUESTED BY...MARTELL GIBBONS
REASON FOR REQUEST...WILDFIRE
.TAG 20110817.SPRIN.01/SLC

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