FNUS75 KSLC 250059
FWSSLC

SPOT FORECAST FOR WEST BLACKTAIL
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
659 PM MDT FRI JUL 24 2009

.DISCUSSION...AN INCREASINGLY MOIST AIRMASS WILL REMAIN OVER
NORTHEAST UTAH THROUGH SUNDAY. SHOWERS AND STORMS TONIGHT WILL
GENERALLY PRODUCE MINIMAL RAINFALL...WITH GUSTY/ERRATIC WINDS WITH
ANY SHOWER OR STORM. RH VALUES WILL INCREASE SATURDAY WITH THE
THREAT FOR WETTING RAINS INCREASING FOR THE LATE AFTERNOON AND
EVENING HOURS. SHOWERS AND STORMS WILL CONTINUE THROUGH AT LEAST
MID-AFTERNOON SUNDAY...THEN DECREASE RAPIDLY AS A DRIER AND SLIGHTLY
COOLER NORTHWEST DEVELOPS ACROSS NORTHEAST UTAH. THIS DRIER/COOLER
PATTERN WILL REMAIN IN PLACE EARLY NEXT WEEK.

.TONIGHT...
  LAL.................2 UNTIL 2300...THEN 1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
                      THROUGH 2300. ISOLATED SHOWERS AFTER 2300.
  MIN TEMPERATURE.....62-64.
  MAX HUMIDITY........67-69 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 8 TO 14 MPH WITH GUSTS TO 28 MPH UNTIL
                      2300. WEST WINDS 5 TO 10 MPH AFTER 2300.

.SATURDAY...
  LAL.................1 UNTIL 1100...THEN 4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1100.
  MAX TEMPERATURE.....79-82.
  MIN HUMIDITY........32-34 PERCENT.
  WINDS - 20-FOOT.....WEST NORTHWEST WINDS 5 TO 10 MPH. WINDS GUSTY AND
                      ERRATIC NEAR ANY SHOWER OR THUNDERSTORM.

.OUTLOOK FOR SUNDAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS IN THE LATE
                      MORNING THROUGH AFTERNOON.
  MAX TEMPERATURE.....81-83.
  MIN HUMIDITY........24-26 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST
                      8 TO 14 MPH AFTER 1100.


FORECASTER...CONGER
REQUESTED BY...KEN LUDWIG
REASON FOR REQUEST...WILDFIRE
.TAG 20090724.WESTB.01/SLC

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