FNUS75 KSLC 121603 CCA
FWSSLC

SPOT FORECAST FOR AMOS CANYON WFM
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
914 AM MDT WED AUG 12 2009

.DISCUSSION...HIGH PRESSURE CENTERED OVER THE FOUR CORNERS WILL
REMAIN IN PLACE THROUGH FRIDAY BEFORE SHIFTING EAST THIS WEEKEND AS
THE NEXT COLD FRONT PUSHES IN FROM THE NORTHWEST. MOISTURE ROTATING
AROUND THE HIGH PRESSURE WILL INCREASE FROM THE SOUTH TODAY BRINGING
INCREASING POTENTIAL FOR ISOLATED THUNDERSTORMS AND LIGHT SHOWERS
THIS AFTERNOON AT AMOS. WINDS ARE EXPECTED TO REMAIN DOMINATED BY
DIURNAL TRENDS WITH MODERATE UPSLOPE DEVELOPING DURING PEAK HEATING
THIS AFTERNOON AND LIGHT DRAINAGE SETTING UP WITH NIGHTFALL TONIGHT.
MOISTURE LEVELS WILL CONTINUE TO INCREASE OVERNIGHT TONIGHT AND
THROUGH THURSDAY INCREASING THE POTENTIAL THAT ISOLATED SHOWERS AND
THUNDERSTORMS WILL IMPACT THE WILDFIRE SITE DURING THE AFTERNOON
HOURS...BUT DRY LOW LEVELS ARE EXPECTED TO PERSIST LIMITING WETTING
RAIN POTENTIAL.

.TODAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......760.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS.
                      AFTER NOON.
  MAX TEMPERATURE.....77-79.
  MIN HUMIDITY........12-14 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 TO 10 MPH. BRIEF ERRATIC
GUSTS                       WITH ANY PASSING STORM THIS AFTERNOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....60-62.
  MAX HUMIDITY........33-35 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE WINDS 10 MPH EARLY IN THE EVENING
                      BECOMING LIGHT AND VARIABLE...THEN BECOMING
                      DOWNSLOPE 10 MPH AFTER 11 PM.

.OUTLOOK FOR THURSDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS IN
                      THE AFTERNOON.
  MAX TEMPERATURE.....75-77.
  MIN HUMIDITY........17-19
  WINDS - 20-FOOT.....DOWNSLOPE 5 TO 10 MPH THROUGH 10 AM...THEN
                      SOUTHEAST WINDS 5 TO 10 MPH INCREASING TO 15
                      MPH LATE IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...ROYCE STEVENS
REASON FOR REQUEST...WILDFIRE
.TAG 20090812.AMOSC.01/SLC

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