FNUS75 KSLC 201209
FWSSLC

SPOT FORECAST FOR PRETTY TREE BENCH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
609 AM MDT WED APR 20 2011

.DISCUSSION...A WEAK UPPER LEVEL DISTURBANCE WILL PASS OVERHEAD
TODAY PROVIDING AN INCREASE IN SOUTHWEST WINDS AND AN OUTSIDE
CHANCE OF A SHOWER OR THUNDERSTORM. BETTER THUNDERSTORM COVERAGE
IS EXPECTED TONIGHT. SOUTHWEST WINDS INCREASE FURTHER TOMORROW
AHEAD OF A SHARP COLD FRONT APPROACHING FROM NORTHERN UTAH.

.TODAY...
  LAL.................1 UNTIL NOON THEN 2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS UNTIL NOON...THEN
                      SCATTERED SHOWERS AND A SLIGHT CHANCE OF
                      THUNDERSTORMS.
  MAX TEMPERATURE.....61-63.
  MIN HUMIDITY........19-21 PERCENT.
  WINDS - 20-FOOT.....BREEZY. SOUTHWEST WINDS 5 TO 10 MPH INCREASING
                      TO 15 TO 25 MPH WITH GUSTS TO 35 MPH IN THE
                      AFTERNOON.

.TONIGHT...
  LAL.................2.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
                      OCCASIONAL SHOWERS AND A SLIGHT CHANCE OF
                      THUNDERSTORMS.
  MIN TEMPERATURE.....34-36.
  MAX HUMIDITY........54-56 PERCENT.
  WINDS - 20-FOOT.....BREEZY. SOUTHWEST WINDS 15 TO 25 MPH WITH
                      GUSTS TO AROUND 35 MPH SHIFTING TO THE WEST
                      15 MPH BY MIDNIGHT.

.OUTLOOK FOR THURSDAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS IN THE
                      MORNING...THEN A CHANCE OF SHOWERS...SNOW
                      SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
                      IN THE AFTERNOON.
  MAX TEMPERATURE.....60.
  MIN HUMIDITY........16-18 PERCENT.
  WINDS - 20-FOOT.....WINDY. WEST SOUTHWEST WINDS 15 TO 25 MPH EARLY
                      DURING THE MORNING...SHIFTING SOUTHWEST AND
                      INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45
                      MPH.



FORECASTER...ROGOWSKI
REQUESTED BY...FMO
REASON FOR REQUEST...PRESCRIBED
.TAG 20110420.PRETT.01/SLC

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