FNUS75 KSLC 311728
FWSSLC

SPOT FORECAST FOR BULL VALLEY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1128 AM MDT WED AUG 31 2011

...RED FLAG WARNING FROM NOON TODAY TO 8 PM MDT THURSDAY...

.DISCUSSION...THE UPPER TROUGH CURRENTLY OVER THE PACIFIC NORTHWEST
WILL MOVE EAST ACROSS THE NORTHERN ROCKIES THE NEXT COUPLE OF DAYS.
THE ASSOCIATED SURFACE COLD FRONT WILL ENTER EXTREME NORTHWEST UTAH
LATE THIS AFTERNOON...THEN SWEEP SOUTHEAST ACROSS THE STATE TONIGHT
THROUGH THURSDAY. STRONG SOUTHERLY WINDS AND LOW HUMIDITIES WILL
EXIST AHEAD OF THE FRONT ACROSS OPEN OR EXPOSED AREAS OF WESTERN
UTAH. THIS FIRE SITE MAY BE SHELTERED ENOUGH THAT THE SUSTAINED
WINDS COULD END UP LIGHTER...WITH PERIODIC STRONG GUSTS AS WINDS
ALOFT TRANSLATE DOWN TO THE SURFACE.

WINDS WILL TURN TO THE WEST AND BECOME SIGNIFICANTLY LIGHTER BEHIND
THE FRONT LATE THURSDAY AFTERNOON OR EARLY EVENING. HUMIDITIES WILL
REMAIN QUITE LOW BEHIND THE FRONT...WITH TEMPERATURES COOLING
FURTHER FROM THURSDAY READINGS ON FRIDAY/SATURDAY. MOISTURE PINNED TO
THE SOUTH OVER ARIZONA BY THIS TROUGH WILL RETURN NORTH SUNDAY...WITH
THE MOISTURE SURGE CONTINUING EARLY NEXT WEEK.


.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....88-91.
  MIN HUMIDITY........12-14 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 12 TO 16 MPH...WITH
                      OCCASIONAL GUSTS TO 35 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....60.
  MAX HUMIDITY........27-31 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 12 TO 18 MPH DECREASING TO
                      8 TO 14 MPH LATE IN THE EVENING. BRIEF GUSTS
                      TO 30 MPH IN THE EVENING.

.OUTLOOK FOR THURSDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....79-82.
  MIN HUMIDITY........11-13 PERCENT.
  WINDS - 20-FOOT.....SOUTH SOUTHWEST WINDS 12 TO 18 MPH INCREASING
                      WITH GUSTS TO AROUND 35 MPH AFTER 1000.


FORECASTER...CONGER
REQUESTED BY...IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110831.BULLV.01/SLC

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