FNUS75 KSLC 311101
FWSSLC

SPOT FORECAST FOR WEST SCOFIELD-STATE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
501 AM MDT MON AUG 31 2009

...RED FLAG WARNING FOR GUSTY SOUTHWEST WINDS AND LOW
RELATIVE HUMIDITY FROM NOON TODAY TO 9 PM MDT THIS EVENING...

.DISCUSSION...A VERY DRY AIRMASS REMAINS IN PLACE AT THE FIRE
SITE THIS MORNING...WHICH HAS RESULTED IN GENERALLY POOR
OVERNIGHT RH RECOVERY. A DRY COLD FRONT IS EXPECTED TO STALL
TO THE NORTH OF THE BURN AREA TODAY. THIS WILL HELP KEEP
WINDS ELEVATED THROUGHOUT MUCH OF THE DAY...WITH WINDS
SHIFTING FROM SOUTHWEST TO WEST DURING THE AFTERNOON. THESE
WINDS COMBINED WITH THE DRY AIRMASS WILL RESULT IN SEVERE
FIRE CONDITIONS THROUGHOUT MUCH OF THE AFTERNOON AND EARLY
EVENING.

HIGH PRESSURE WILL BEGIN TO BUILD INTO THE REGION TONIGHT
THROUGH TUESDAY...THEN REMAIN IN PLACE THROUGHOUT MUCH OF
THE REMAINDER OF THE WEEK. ALTHOUGH THE AIRMASS WILL
GENERALLY REMAIN DRY WITHIN THE LOWER LEVELS...WINDS ARE
EXPECTED TO DIMINISH CONSIDERABLY AND BECOME MORE DOMINATED
BY SLOPE FLOWS WITH TIME. HIGH BASED MOISTURE IS EXPECTED
TO SPREAD NORTH INTO THE REGION TUESDAY INTO
WEDNESDAY...BRINGING A THREAT FOR AFTERNOON BUILDUPS ALONG
WITH A SMALL THREAT FOR SHOWERS AND THUNDERSTORMS.

.TODAY...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....74-77.
  MIN HUMIDITY........13-16 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST 10-15 MPH WITH GUSTS TO 25
                      MPH...BECOMING WEST AND INCREASING TO
                      15-20 MPH WITH GUSTS TO 30 MPH AFTER
                      1200.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....47-50.
  MAX HUMIDITY........31-34 PERCENT.
  WINDS - 20-FOOT.....WEST 15-20 MPH WITH GUSTS TO 25 MPH
                      DECREASING TO 5-10 MPH AFTER 2100.

.OUTLOOK FOR TUESDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (40-50 PERCENT CLOUD
                      COVER). A SLIGHT CHANCE OF SHOWERS AND
                      THUNDERSTORMS IN THE AFTERNOON.
  MAX TEMPERATURE.....77-80.
  MIN HUMIDITY........16-19 PERCENT.
  WINDS - 20-FOOT.....WEST 5-10 MPH...INCREASING TO 10-15 MPH
                      AFTER 1200.



FORECASTER...SEAMAN
REQUESTED BY...FOREST SERVICE
REASON FOR REQUEST...WILDFIRE
.TAG 20090831.WESTS.01/SLC

$$