FNUS75 KSLC 041454
FWSSLC

SPOT FORECAST FOR BEAR RIVER 5B
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
854 AM MDT FRI NOV 4 2011

.DISCUSSION...SOUTHERLY WINDS BEGINNING TO RAMP UP THIS MORNING
AHEAD OF THE APPROACHING STORM SYSTEM. WINDS ARE EXPECTED TO
INCREASE FURTHER BY EARLY THIS AFTERNOON WITH A STRENGTHENING
PRESSURE GRADIENT AND INCREASING FLOW ALOFT. FRONTAL PASSAGE IS
EXPECTED TO OCCUR AT THE BURN SITE DURING THE LATE AFTERNOON OR
EARLY EVENING...PROBABLY SOMEWHERE BETWEEN 4 PM AND 6 PM.
PRECIPITATION IS EXPECTED TO HOLD OFF UNTIL THE FRONT ARRIVES OR
EVEN AN HOUR OR TWO LATER. AT THE BURN SITE
ELEVATION...PRECIPITATION IS EXPECTED TO BEGIN AS
RAIN...TRANSITIONING TO ALL SNOW AROUND MIDNIGHT OR JUST AFTER.
THE BULK OF THE PRECIPITATION WILL OCCUR OVERNIGHT...BUT SHOWERS
WILL LINGER INTO SATURDAY MORNING. RH VALUES WILL TEND TO INCREASE
DURING THE DAY WITH MOISTURE INCREASING AHEAD OF THE SYSTEM. A
LULL WILL OCCUR SATURDAY AFTERNOON THROUGH SUNDAY MORNING BEFORE A
SECOND SYSTEM MOVES THROUGH SUNDAY AFTERNOON THROUGH MONDAY. BEST
PRECIP WITH THE SECOND SYSTEM WILL BE OVER CENTRAL AND SOUTHERN
UTAH...BUT IS POSSIBLE OVER THE BURN SITE AS WELL.

.TODAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....53-56.
  MIN HUMIDITY........28-30 PERCENT.
  WINDS - 20-FOOT.....BREEZY. SOUTH WINDS 15 TO 25 MPH WITH GUSTS UP
                      TO 35 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (90-100 PERCENT CLOUD COVER).
                      RAIN UNTIL MIDNIGHT. SNOW.
  MIN TEMPERATURE.....29-33.
  MAX HUMIDITY........86-90 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 10 TO 20 MPH SHIFTING TO THE
                      NORTHWEST 5-10 MPH IN THE EARLY EVENING.

.OUTLOOK FOR SATURDAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......730.
  SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT CLOUD COVER). A
                      CHANCE OF SNOW SHOWERS IN THE MORNING...THEN
                      A SLIGHT CHANCE OF SNOW SHOWERS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....35-39.
  MIN HUMIDITY........50-54 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS 3-7 MPH.



FORECASTER...TRAPHAGAN
REQUESTED BY...TRACY SWENSON
REASON FOR REQUEST...PRESCRIBED
.TAG 20111104.BEARR.01/SLC

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