FNUS75 KSLC 131350
FWSSLC

SPOT FORECAST FOR BOX CREEK BROADCAST
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
750 AM MDT TUE SEP 13 2011

.DISCUSSION...THE MAIN UPPER LEVEL CIRCULATION IS JUST OFF THE
SOUTHWEST COAST OF CALIFORNIA WHICH KEEPING A SOMEWHAT MOIST AIR
MASS IN PLACE OVER UTAH. A DISTURBANCE WITHIN THIS OVERALL
CIRCULATION LOCATED NEAR LAS VEGAS THIS MORNING IS EXPECTED TO
DRIFT NORTHEAST INTO SOUTH CENTRAL UTAH THIS AFTERNOON AND PROVIDE
EXTRA LIFT TO CREATE SHOWERS AND THUNDERSTORMS. BELIEVE THE FIRST
SHOWERS AND THUNDERSTORMS TO DEVELOP WILL BE BETWEEN 1100 AND 1200
AND THEN BECOME MORE ACTIVE THIS AFTERNOON. WETTING RAINS WILL
LIKELY OCCUR WITH THESE STORMS AS MOVEMENT WILL BE VERY SLOW. WIND
GUSTS TO 20 MPH ARE POSSIBLE IN AND AROUND ANY OF THESE STORMS.

ACTIVE WEATHER IS EXPECTED AGAIN WEDNESDAY AS THE ENTIRE
CIRCULATION MOVES IN ACROSS ARIZONA AND A MOIST SOUTHEAST FLOW
DEVELOPS ACROSS YOUR AREA.

.TODAY...
  LAL.................1 UNTIL NOON...THEN 4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      UNTIL NOON...THEN SCATTERED SHOWERS AND
                      THUNDERSTORMS.
  MAX TEMPERATURE.....60-62.
  MIN HUMIDITY........40-42 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST 5
                      MPH LATE IN THE AFTERNOON.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 3.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER)
                      UNTIL MIDNIGHT...THEN MOSTLY CLOUDY (75-85
                      PERCENT CLOUD COVER). A SLIGHT CHANCE OF
                      SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT...THEN A CHANCE OF SHOWERS AND
                      THUNDERSTORMS.
  MIN TEMPERATURE.....40-42.
  MAX HUMIDITY........84-88 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 5 MPH.

.OUTLOOK FOR WEDNESDAY...
  LAL.................3 UNTIL NOON...THEN 4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......820.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....56-58.
  MIN HUMIDITY........44-48 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 MPH EARLY IN THE MORNING
                      BECOMING LIGHT AND VARIABLE...THEN BECOMING
                      EAST 5 MPH IN THE AFTERNOON.



FORECASTER...STRUTHWOLF
REQUESTED BY...WESS FREEBORN
REASON FOR REQUEST...PRESCRIBED
.TAG 20110913.BOXCR.01/SLC

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