FNUS75 KSLC 131455
FWSSLC

SPOT FORECAST FOR AMOS CANYON WFM
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
855 AM MDT THU AUG 13 2009

.DISCUSSION...HIGH PRESSURE ALOFT ACROSS THE SOUTHERN ROCKIES THIS
MORNING WILL SHIFT EAST AHEAD OF AN ENERGETIC PACIFIC TROUGH
MOVING INTO THE PACIFIC NORTHWEST. MOISTURE ACROSS CENTRAL UTAH
THIS MORNING WILL BE PUSHED OUT OF THE AREA TONIGHT AS AN
INCREASINGLY DRY SOUTHWEST FLOW DEVELOPS AHEAD OF THE APPROACHING
TROUGH. A LEADING COLD FRONT WILL REACH NORTHWEST UTAH LATE
FRIDAY...PRODUCING FAIRLY STRONG SOUTHERLY WINDS AT THE SITE
DURING THE DAY. THE FRONT WILL SWEEP THROUGH THE FIRE SITE AS A
DRY FRONT FRIDAY NIGHT. MUCH COOLER TEMPERATURES AND HIGHER RH
VALUES WILL FOLLOW FOR THE WEEKEND.

.TODAY...
 LAL.................1 UNTIL 1000...THEN 2.
 HAINES INDEX........5 ..MODERATE.
 CLEARING INDEX......1000+.
 SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER).
                     ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1000.
 MAX TEMPERATURE.....76-79.
 MIN HUMIDITY........17-19 PERCENT.
 WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 10 MPH INCREASING TO 12
                     TO 16 MPH WITH GUSTS TO 25 MPH AFTER 1000.

.TONIGHT...
  LAL.................2 UNTIL 2200...THEN 1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS
                      UNTIL 2200.
  MIN TEMPERATURE.....56-59.
  MAX HUMIDITY........41-43 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 10 TO 15 MPH...GUSTS TO 25 MPH
                      UNTIL 2100.

.OUTLOOK FOR FRIDAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (50-60 PERCENT CLOUD
                      COVER). A CHANCE OF SHOWERS AND THUNDERSTORMS
                      AFTER 1200.
  MAX TEMPERATURE.....75-77.
  MIN HUMIDITY........16-18 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 15 TO 20 MPH...GUSTS TO 28 MPH.



FORECASTER...CONGER
REQUESTED BY...AMOS CANYON IC
REASON FOR REQUEST...WILDFIRE
.TAG 20090813.AMOSC.01/SLC

$$