FNUS75 KSLC 282037
FWSSLC

SPOT FORECAST FOR BEAR RIVER 2B-C
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
237 PM MDT MON SEP 28 2009

.DISCUSSION...THE COLD PACIFIC TROUGH STILL OFF THE PACIFIC NORTHWEST
COAST THIS AFTERNOON WILL MOVE EAST-SOUTHEAST INTO THE WESTERN GREAT
BASIN BY LATE TUESDAY. THIS TROUGH WILL CONTINUE EAST INTO AND THROUGH
UTAH ON WEDNESDAY. THE ASSOCIATED COLD FRONT WILL ENTER EXTREME
NORTHWEST UTAH LATE TUESDAY AFTERNOON...THE CROSS THE FIRE SITE BETWEEN
1800-2100 MDT TUESDAY EVENING.

LIGHT SOUTHEAST WINDS WILL EXIST UNTIL LATE TUESDAY MORNING...THEN SHIFT
TO THE SOUTHWEST AND INCREASE DRAMATICALLY BY TUESDAY AFTERNOON. STRONG
SOUTHWEST WINDS WILL CONTINUE UNTIL FRONTAL PASSAGE...THEN SHIFT TO THE
WEST AND SLOWLY DECREASE BEHIND THE FRONT. MUCH COLDER AIR WILL FOLLOW
THE FRONT WITH PRECIPITATION CONCENTRATED ALONG AND FOR SEVERAL HOURS
BEHIND THE FRONT.

.REST OF TODAY...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......540.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....83-85.
  MIN HUMIDITY........21-23 PERCENT.
  WINDS - 20-FOOT.....WEST SOUTHWEST WINDS 6 TO 12 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....60.
  MAX HUMIDITY........36-39PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 10 MPH....BECOMING EAST
                      SOUTHEAST 4 TO 8 MPH AFTER 2200.

.OUTLOOK FOR TUESDAY...
  LAL.................1 UNTIL 1600...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER)
                      UNTIL 1400...THEN BECOMING MOSTLY CLOUDY
                      (70-80 PERCENT CLOUD COVER). A SLIGHT CHANCE
                      OF SHOWERS AND THUNDERSTORMS AFTER 1600.
  MAX TEMPERATURE.....82-84.
  MIN HUMIDITY........20-22 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 5 TO 10 MPH UNTIL 1000...THEN
                      INCREASING TO SOUTH SOUTHWEST 18 TO 22 MPH
                      WITH GUSTS TO 32 MPH BETWEEN 1000-1500. WINDS
                      INCREASING FURTHER TO 22-27 MPH WITH GUSTS TO
                      40 MPH AFTER 1500 UNTIL FRONTAL PASSAGE.


FORECASTER...CONGER
REQUESTED BY...TRACY SWENSON
REASON FOR REQUEST...PRESCRIBED
.TAG 20090929.BEARR.01/SLC

$$