FNUS75 KSLC 232201
FWSSLC

SPOT FORECAST FOR PRETTY TREE BENCH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
401 PM MDT MON MAY 23 2011

.DISCUSSION...A MOIST PACIFIC STORM SYSTEM WILL SLOWLY CROSS THE
REGION THROUGH TUESDAY...BRINGING PERIODS OF SHOWERS ALONG WITH
A FEW THUNDERSTORMS. SHOWERS ARE EXPECTED TO DECREASE DURING THE
DAY TUESDAY AS THIS SYSTEM BEGINS TO MOVE EAST OF THE AREA...HOWEVER
WEST WINDS WILL INCREASE IN ITS WAKE. HIGH PRESSURE WILL BRING
GENERALLY STABLE CONDITIONS WEDNESDAY LIMITING CLEARING INDICES
SOMEWHAT...ALTHOUGH VALUES BY AFTERNOON SHOULD EXCEED 500. ANOTHER
COLD FRONT IS EXPECTED TO CROSS THE AREA LATE WEDNESDAY NIGHT INTO
EARLY THURSDAY MORNING...AGAIN BRINGING GUSTY WEST WINDS BUT LITTLE
IF ANY PRECIPITATION.

.REST OF TODAY...
  LAL.................2.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........CLOUDY (90-100 PERCENT CLOUD COVER). NUMEROUS
                      SHOWERS AND ISOLATED THUNDERSTORMS.
  MAX TEMPERATURE.....56-59.
  MIN HUMIDITY........20-22 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 6-12 MPH. GUSTY ERRATIC WINDS
                      NEAR SHOWERS AND THUNDERSTORMS.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........CLOUDY (95-100 PERCENT CLOUD COVER). NUMEROUS
                      SHOWERS AND ISOLATED THUNDERSTORMS UNTIL
                      MIDNIGHT...THEN SCATTERED SHOWERS.
  MIN TEMPERATURE.....NEAR 40.
  MAX HUMIDITY........71-73 PERCENT.
  WINDS - 20-FOOT.....BREEZY. SOUTHWEST 6-12 MPH BECOMING
                      NORTH/DOWNSLOPE 4-9 MPH LATE EVENING AND
                      OVERNIGHT.

.OUTLOOK FOR TUESDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS. A SLIGHT CHANCE OF
                      THUNDERSTORMS IN THE AFTERNOON.
  MAX TEMPERATURE.....55-58.
  MIN HUMIDITY........22-25 PERCENT.
  WINDS - 20-FOOT.....BREEZY. WEST WINDS 5-10 MPH INCREASING TO
                      15-25 MPH WITH GUSTS OVER 30 MPH AFTER 1200.



FORECASTER...SEAMAN
REQUESTED BY...CHANCE STEWART
REASON FOR REQUEST...PRESCRIBED
.TAG 20110524.PRETT.01/SLC

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