FNUS75 KSLC 130307
FWSSLC

SPOT FORECAST FOR SPRING FIRE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
907 PM MDT FRI AUG 12 2011

.DISCUSSION...INCREASED MOISTURE AND CLOUD COVER WILL BEGIN TO MOVE
INTO THE AREA TONIGHT FROM THE SOUTH...WITH THE MOISTURE SURGE
CONTINUING THROUGH THE WEEKEND. THIS WILL LEAD TO A SLIGHT CHANCE
OF THUNDERSTORMS ON SATURDAY...AND AN EVEN GREATER CHANCE OF
SHOWERS AND THUNDERSTORMS ON SUNDAY. GUSTY AND ERRATIC WINDS WILL
BE A CONCERN WITH THUNDERSTORMS ON BOTH OF THESE DAYS...WITH
BRIEF HEAVY RAIN MORE LIKELY ON SUNDAY THAN ON SATURDAY. AWAY
FROM THUNDERSTORMS...WINDS EACH AFTERNOON ARE EXPECTED TO BE
SOUTHWESTERLY...THOUGH LIGHT UPSLOPE/UPVALLEY WINDS ARE ALSO
POSSIBLE AT TIMES DUE TO THE RELATIVELY LIGHT FLOW ALOFT. A
DRIER AIRMASS WILL BEGIN TO MOVE INTO THE AREA ON MONDAY...WITH
SIGNIFICANTLY MORE STABLE CONDITIONS EXPECTED ON TUESDAY AND
WEDNESDAY.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT CLOUD COVER)
                      IN THE EVENING...BECOMING PARTLY CLOUDY
                      (25-35 PERCENT CLOUD COVER) AFTER MIDNIGHT.
  MIN TEMPERATURE.....55-58.
  MAX HUMIDITY........31-34 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 TO 10 MPH LATE IN THE
                      EVENING...THEN BECOMING LIGHT
                      AND VARIABLE AFTER MIDNIGHT.

.SATURDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
                      A SLIGHT CHANCE OF SHOWERS AND
                      THUNDERSTORMS AFTER NOON.
  MAX TEMPERATURE.....77-80.
  MIN HUMIDITY........15-18 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 10 MPH.

.OUTLOOK FOR SUNDAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........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.....70-73.
  MIN HUMIDITY........34-37 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 10 MPH.



FORECASTER...SCHOENING
REQUESTED BY...MARTELL GIBBONS
REASON FOR REQUEST...WILDFIRE
.TAG 20110812.SPRIN.01/SLC

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