FNUS75 KSLC 191709
FWSSLC

SPOT FORECAST FOR WHEELER
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1109 AM MDT FRI AUG 19 2011

.DISCUSSION...DRIER AIR IS TRYING TO SPREAD INTO THE SOUTHWEST
PORTION OF THE STATE BEHIND A WEAK DISTURBANCE MOVING NORTHEAST
ACROSS SOUTHWEST UTAH THIS MORNING. HOWEVER...THE WHEELER
PRESCRIBED BURN WILL BE RIGHT IN THE BATTLE GROUND BETWEEN THIS
DRIER AIR AND MOISTURE THAT IS IN PLACE CURRENTLY. THEREFORE WILL
GO WITH THE IDEA THAT ISOLATED THUNDERSTORMS WILL FORM OVER THE
SEVIER PLATEAU AND PERHAPS THE TUSHAR MOUNTAINS TO YOUR WEST. THE
MAIN THREAT OF THESE STORMS WILL BE GUSTY WINDS TO 25 MPH, BRIEF
HEAVY RAIN AND DEADLY LIGHTNING. THIS BATTLE GROUND BETWEEN MOIST
AND DRY AIR WILL CONTINUE THROUGH SATURDAY BEFORE BECOMING MOIST
ON SUNDAY.

.TODAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.

  MAX TEMPERATURE.....82-84.
  MIN HUMIDITY........22-24 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE WINDS 4 TO 7 MPH BECOMING
                      SOUTHWEST IN THE AFTERNOON.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT.
  MIN TEMPERATURE.....52-56.
  MAX HUMIDITY........66-70 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 10 MPH.

.OUTLOOK FOR SATURDAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......750.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....80.
  MIN HUMIDITY........29-31 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 10 MPH.



FORECASTER...STRUTHWOLF
REQUESTED BY...KELLY CORNWALL
REASON FOR REQUEST...PRESCRIBED
.TAG 20110819.WHEEL.02/SLC

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