FNUS75 KSLC 241422
FWSSLC

SPOT FORECAST FOR PRETTY TREE BENCH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
822 AM MDT TUE MAY 24 2011

.DISCUSSION...A PACIFIC STORM SYSTEM WILL CONTINUE TO BRING
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS TO THE AREA THROUGH
THIS EVENING. IN ADDITION...WEST WINDS ARE EXPECTED TO INCREASE
THIS AFTERNOON ON THE BACK SIDE OF THIS SYSTEM. HIGH PRESSURE WILL
BUILD OVER THE AREA TONIGHT INTO EARLY WEDNESDAY...BEFORE QUICKLY
MOVING EAST WEDNESDAY AFTERNOON ALLOWING SOUTHERLY FLOW TO
INCREASE. THIS FLOW SHOULD ALLOW CLEARING INDICES TO EXCEED 500
BY WEDNESDAY AFTERNOON. A FAST MOVING...DRY COLD FRONT WILL RACE
ACROSS THE AREA WEDNESDAY NIGHT WITH GUSTY WEST WINDS PREVAILING
ON THURSDAY.

.TODAY...
  LAL.................2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
  MAX TEMPERATURE.....55-58.
  MIN HUMIDITY........31-34 PERCENT.
  WINDS - 20-FOOT.....NORTH/DOWNSLOPE 3-7 MPH BECOMING NORTHWEST
                      6-12 MPH BY LATE MORNING...THEN INCREASING
                      TO 10-20 MPH WITH GUSTS TO 30 MPH AFTER 1200.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT CLOUD COVER)
                      UNTIL MIDNIGHT...THEN MOSTLY CLEAR (10-20
                      PERCENT CLOUD COVER). ISOLATED SHOWERS
                      AND THUNDERSTORMS UNTIL MIDNIGHT.
  MIN TEMPERATURE.....30-33.
  MAX HUMIDITY........76-79 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST 10-20 MPH EARLY BECOMING
                      NORTH/DOWNSLOPE 3-8 MPH AFTER 2000.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......850.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....63-66.
  MIN HUMIDITY........17-20 PERCENT.
  WINDS - 20-FOOT.....NORTH 3-7 MPH SHIFTING TO THE SOUTH 8-15 MPH
                      LATE MORNING THROUGH AFTERNOON.



FORECASTER...SEAMAN
REQUESTED BY...FMO
REASON FOR REQUEST...PRESCRIBED
.TAG 20110524.PRETT.02/SLC

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