FNUS75 KSLC 232227
FWSSLC

SPOT FORECAST FOR TWITCHELL CANYON
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
426 PM MDT MON AUG 23 2010

.DISCUSSION...THE DRY AND STABLE AIRMASS THAT TRAILED LAST NIGHTS
COLD FRONT WILL REMAIN OVER THE AREA THROUGH TUESDAY. MOISTURE WILL
BEGIN TO TRICKLE BACK TO THE NORTH BEGINNING TUESDAY NIGHT. CLOUDS
WILL INCREASE EARLY WEDNESDAY...WITH THE THREAT FOR SHOWERS AND
THUNDERSTORMS INCREASING RAPIDLY BEGINNING LATE WEDNESDAY AND
CONTINUING THROUGH THE BALANCE OF THE WEEK.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........CLEAR (0-5 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....AT 8000 FEET 40-43.
                      AT 10000 FEET 36-38.
  MAX HUMIDITY........AT 8000 FEET 79-82 PERCENT.
                      AT 10000 FEET 72-75 PERCENT.
  WINDS - 20-FOOT.....WEST NORTHWEST 5 TO 10 MPH...BECOMING
                      DOWNSLOPE 3 TO 6 MPH AFTER 2100.
  WINDS - RIDGETOP....EAST NORTHEAST 4 TO 8 MPH

.TUESDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......470.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....AT 8000 FEET 72-74.
                      AT 10000 FEET 70-72.
  MIN HUMIDITY........AT 8000 FEET 25-28 PERCENT.
                      AT 10000 FEET 22-24 PERCENT.
  WINDS - 20-FOOT.....UPVALLEY/UPSLOPE 3 TO 5 MPH...BECOMING
                      WEST SOUTHWEST 5 TO 9 MPH AFTER 1100.
  WINDS - RIDGETOP....SOUTH SOUTHWEST 5 TO 10 MPH.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......650.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....AT 8000 FEET 80-82.
                      AT 10000 FEET 71-74.
  MIN HUMIDITY........AT 8000 FEET 23-25 PERCENT.
                      AT 10000 FEET 23-26 PERCENT.
  WINDS - 20-FOOT.....UPVALLEY/UPSLOPE WINDS 3 TO 5 MPH...BECOMING
                      WEST SOUTHWEST WINDS 6 TO 12 MPH AFTER 1000.
  WINDS - RIDGETOP....SOUTHWEST WINDS 8 TO 12 MPH.

.OUTLOOK FOR THURSDAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......850.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1100.
  MAX TEMPERATURE.....AT 8000 FEET 79-82.
                      AT 10000 FEET 68-71.
  MIN HUMIDITY........AT 8000 FEET 23-26 PERCENT.
                      AT 10000 FEET 29-32 PERCENT.
  WINDS - 20-FOOT.....UPVALLEY/UPSLOPE WINDS 3 TO 5 MPH...BECOMING
                      WEST SOUTHWEST WINDS 6 TO 12 MPH AFTER 1100.
  WINDS - RIDGETOP....SOUTHWEST WINDS 12 TO 18 MPH.

.OUTLOOK FOR FRIDAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......850.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1100.
  MAX TEMPERATURE.....AT 8000 FEET 79-82.
                      AT 10000 FEET 68-71.
  MIN HUMIDITY........AT 8000 FEET 23-26 PERCENT.
                      AT 10000 FEET 29-32 PERCENT.
  WINDS - 20-FOOT.....UPVALLEY/UPSLOPE WINDS 3 TO 5 MPH...BECOMING
                      WEST SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
                      TO 22 MPH AFTER 0900
  WINDS - RIDGETOP....SOUTHWEST WINDS 22 TO 27 MPH.


FORECASTER...CONGER
REQUESTED BY...GSorenson
REASON FOR REQUEST...WILDFIRE
.TAG 20100823.TWITC.01/SLC

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