FNUS75 KSLC 201533
FWSSLC

SPOT FORECAST FOR AMOS CANYON WFM
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
933 AM MDT MON JUL 20 2009

.DISCUSSION...HIGH PRESSURE ALOFT CENTERED OVER THE WESTERN GREAT BASIN
WILL REMAIN TO THE WEST OF UTAH THROUGH AT LEAST MIDWEEK. THE RESULTANT
WEST-NORTHWEST FLOW WILL BRING A GRADUAL DRYING TREND TO CENTRAL UTAH
BEGINNING TUESDAY. FOR TODAY ABUNDANT MOISTURE ACROSS CENTRAL/SOUTHERN
UTAH WILL MAINTAIN SCATTERED SHOWERS/ISOLATED THUNDERSTORM ACTIVITY
THROUGH THIS EVENING. CLOUD COVER/PRECIPITATION WILL KEEP TEMPERATURES
DOWN AND RH VALUES UP FROM YESTERDAY. THE THREAT OF WETTING RAIN WILL
INCREASE A BIT TODAY...THOUGH LIGHTNING AND GUSTY SURFACE WINDS WILL
REMAIN THE MAIN THREAT WITH STORMS TODAY.

.TODAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........4 ..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.....72-74.
  MIN HUMIDITY........26-28 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST 7 TO 10 MPH.

.TONIGHT...
  LAL.................4 UNTIL 2200...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT...THEN PARTLY CLOUDY (30-40 PERCENT
                      CLOUD COVER).
  MIN TEMPERATURE.....55-57.
  MAX HUMIDITY........54-57 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 6 TO 10 MPH SHIFTING TO THE
                      SOUTHWEST 5 TO 7 MPH AFTER MIDNIGHT.

.OUTLOOK FOR TUESDAY...
  LAL.................1 UNTIL NOON...THEN 4.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......770.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....74-76
  MIN HUMIDITY........23-25PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 MPH SHIFTING TO THE
                      NORTHWEST AFTER 0900.



FORECASTER...CONGER
REQUESTED BY...AMOS LOOKOUT
REASON FOR REQUEST...WILDFIRE
.TAG 20090720.AMOSC.01/SLC

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