FNUS75 KSLC 311048
FWSSLC

SPOT FORECAST FOR MILL FLAT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
448 AM MDT MON AUG 31 2009

...RED FLAG WARNING FOR GUSTY SOUTHWEST WINDS AND LOW RELATIVE
HUMIDITY IN EFFECT UNTIL 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. WITH SOUTHWEST WINDS INCREASING ONCE
AGAIN THIS AFTERNOON SEVERE FIRE CONDITIONS CONDITIONS CAN BE
EXPECTED 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 LATE TUESDAY INTO WEDNESDAY...BRINGING A THREAT FOR
AFTERNOON BUILDUPS ALONG WITH AN ISOLATED DRY THUNDERSTORM OR
TWO TUESDAY INTO WEDNESDAY.

.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....89-92 NEAR 5500 FEET...74-77 AT THE UPPER
                      ELEVATIONS.
  MIN HUMIDITY........8-12 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST 5-10 MPH...INCREASING TO 15-20
                      MPH WITH GUSTS TO 35 MPH AFTER 1100.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....53-57.
  MAX HUMIDITY........27-30 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST 15-20 MPH WITH GUSTS TO 30 MPH
                      UNTIL 2100...THEN DECREASING AND BECOMING
                      WEST 5-10 MPH BY MIDNIGHT.

.OUTLOOK FOR TUESDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (40-50 PERCENT CLOUD
                      COVER). A FEW AFTERNOON BUILDUPS WITH AN
                      ISOLATED DRY THUNDERSTORM OR TWO POSSIBLE.
  MAX TEMPERATURE.....89-92 NEAR 5500 FEET...74-77 AT THE UPPER
                      ELEVATIONS.
  MIN HUMIDITY........12-16 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST 6-12 MPH.



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

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