FNUS75 KSLC 131831
FWSSLC

SPOT FORECAST FOR BIG POLE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1230 PM MDT THU AUG 13 2009

...FIRE WEATHER WATCH FROM NOON MDT FRIDAY TO MIDNIGHT MDT FRIDAY...

.DISCUSSION...A COLD PACIFIC TROUGH MOVING INTO THE PACIFIC
NORTHWEST TODAY WILL MOVE EAST ACROSS THE NORTHERN ROCKIES/NORTHERN
GREAT BASIN FRIDAY NIGHT THROUGH SATURDAY. AN ASSOCIATED COLD FRONT
WILL REACH FAR NORTHWEST UTAH LATE FRIDAY AFTERNOON. THIS FRONT WILL
PRODUCE STRONG SOUTHERLY WINDS AND LOW RH VALUES AT THE SITE DURING
THE DAY. THE FRONT WILL SWEEP THROUGH THE FIRE SITE BY MIDEVENING
FRIDAY...BRINGING A PERIOD OF STRONG WESTERLY WINDS AND INCREASING
RH VALUES THROUGH THE BALANCE OF FRIDAY EVENING. MUCH COOLER
TEMPERATURES AND HIGHER RH VALUES WILL FOLLOW FOR THE WEEKEND.


.REST OF TODAY...
  LAL.................1...THEN 2 AFTER 1600.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      AFTER 1600.
  MAX TEMPERATURE.....81-84.
  MIN HUMIDITY........11-13 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 8 TO 12 MPH...BECOMING SOUTH
                      SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 22
                      MPH AFTER 1400.

.TONIGHT...
  LAL.................2 UNTIL 2100...THEN 1.
  HAINES INDEX........6 ..HIGH.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      UNTIL 2100.
  MIN TEMPERATURE.....57-59.
  MAX HUMIDITY........27-29 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 10 TO 15 MPH.

.OUTLOOK FOR FRIDAY...
  LAL.................1 UNTIL 1500...THEN 2.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      AFTER 1500.
  MAX TEMPERATURE.....80-82
  MIN HUMIDITY........10-13 PERCENT.
  WINDS - 20-FOOT.....BREEZY. SOUTH WINDS 10 TO 15 MPH...
                      INCREASING TO SOUTH SOUTHWEST 20 TO 25 MPH WITH
                      GUSTS TO 40 MPH AFTER 1500.



FORECASTER...CONGER
REQUESTED BY...GARY PECK
REASON FOR REQUEST...WILDFIRE
.TAG 20090813.BIGPO.02/SLC

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