FNUS75 KSLC 200403
FWSSLC

SPOT FORECAST FOR SPRING FIRE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1003 PM MDT FRI AUG 19 2011

.DISCUSSION...THE LAST OF THE THUNDERSTORMS FROM THIS AFTERNOON ARE
MOVING WELL EAST OF THE FIRE AS OF 10 PM FRIDAY...WITH NO
ADDITIONAL THUNDERSTORMS EXPECTED THIS EVENING. HOWEVER...THERE
IS A CHANCE THAT THUNDERSTORMS WILL MOVE ACROSS THE NORTHERN HALF
OF THE STATE IN THE EARLY MORNING HOURS AS ANOTHER WAVE MOVES
THROUGH THE AREA. MOISTURE WILL REMAIN IN PLACE SATURDAY AND
SUNDAY...ALLOWING THUNDERSTORMS TO FORM AGAIN EACH
AFTERNOON...WITH GUSTY ERRATIC WINDS ALWAYS POSSIBLE WITH THESE
STORMS. DRIER AIR WILL BEGIN TO MOVE INTO THE AREA FROM THE WEST
LATE SUNDAY THROUGH MONDAY...LEADING TO SIGNIFICANTLY LOWER
RELATIVE HUMIDITY VALUES AND LESS THUNDERSTORM ACTIVITY FOR MUCH
OF THE UPCOMING WORK WEEK.

.REST OF TONIGHT...
  LAL.................2.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
  MIN TEMPERATURE.....54-57.
  MAX HUMIDITY........69-72 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE.

.SATURDAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......890.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN MOSTLY CLOUDY (65-75
                      PERCENT CLOUD COVER). A SLIGHT CHANCE OF
                      SHOWERS AND THUNDERSTORMS UNTIL NOON...THEN A
                      CHANCE OF SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....74-77.
  MIN HUMIDITY........30-33 PERCENT.
  WINDS - 20-FOOT.....WEST-SOUTHWEST WINDS 6 TO 12 MPH WITH GUSTS
                      UP TO 20 MPH POSSIBLE IN THE AFTERNOON.

.OUTLOOK FOR SUNDAY...
  LAL.................4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....77-80.
  MIN HUMIDITY........27-30 PERCENT.
  WINDS - 20-FOOT.....WEST-SOUTHWEST WINDS 6 TO 12 MPH WITH GUSTS
                      UP TO 20 MPH POSSIBLE IN THE AFTERNOON.



FORECASTER...SCHOENING
REQUESTED BY...MARTELL GIBBONS
REASON FOR REQUEST...WILDFIRE
.TAG 20110819.SPRIN.01/SLC

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