FNUS75 KSLC 211458
FWSSLC

SPOT FORECAST FOR AMOS CANYON WFM
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
858 AM MDT FRI AUG 21 2009

.DISCUSSION...HIGH PRESSURE ALOFT CENTERED OVER UTAH WILL PRODUCE
VERY WARM AND DRY CONDITIONS WITH TERRAIN DRIVEN WINDS TODAY. THE
HIGH PRESSURE WILL SHIFT EAST EARLY THIS WEEKEND. MOISTURE POOLED
WELL SOUTH OF UTAH TODAY WILL BE DRAWN RAPIDLY NORTHWARD INTO
CENTRAL UTAH BY SATURDAY. AN INCREASING THREAT OF SHOWERS AND
THUNDERSTORMS WITH WETTING RAINS WILL EXIST FROM SATURDAY
AFTERNOON THROUGH AT LEAST MONDAY. TEMPERATURES WILL TREND LOWER
AND RH VALUES HIGHER SATURDAY THROUGH EARLY NEXT WEEK.

.TODAY...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......540.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....83-85.
  MIN HUMIDITY........12-14 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 3 TO 6 MPH UNTIL 1000...
                      THEN WEST NORTHWEST 6 TO 12 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  SKY/WEATHER.........CLEAR (5-10 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....56-58.
  MAX HUMIDITY........26-29 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 6 TO 12 MPH...SHIFTING TO SOUTH
                      SOUTHEAST 5 TO 10 MPH AFTER 2100.

.OUTLOOK FOR SATURDAY...
  LAL.................1 UNTIL 1400...THEN 2.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (40-50 PERCENT CLOUD
                      COVER). A SLIGHT CHANCE OF SHOWERS AND
                      THUNDERSTORMS AFTER 1400.
  MAX TEMPERATURE.....81-84.
  MIN HUMIDITY........15-17 PERCENT.
  WINDS - 20-FOOT.....SOUTH SOUTHWEST WINDS 8 TO 14 MPH...GUSTS TO
                      18 MPH.



FORECASTER...CONGER
REQUESTED BY...Matt
REASON FOR REQUEST...WILDFIRE
.TAG 20090821.AMOSC.01/SLC

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