FNUS75 KSLC 161625
FWSSLC

SPOT FORECAST FOR RESERVATION RIDGE PILES
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
925 AM MST THU DEC 16 2010

.DISCUSSION...WEAK DISTURBANCE MOVING ACROSS NORTHERN ARIZONA THIS
MORNING BENEATH UPPER LEVEL RIDGE OVER THE NORTHERN INTERMOUNTAIN
REGION. CENTRAL AND NORTHERN UTAH IN REGION OF VERY LIGHT FLOW
BETWEEN THESE TWO FEATURES. DESPITE QUITE A BIT OF SUNSHINE TODAY
MIXING WILL BE RELATIVELY POOR UNDER LIGHT FLOW TODAY. MIXING WILL
IMPROVE ON FRIDAY AS SOUTHWEST FLOW ALOFT INCREASES. HOWEVER...CLEARING
INDICES MAY STILL BE MAY STILL BE BORDERLINE. MIXING WILL GREATLY IMPROVE
OVER THE WEEKEND THROUGH THE MIDDLE OF NEXT WEEK AS A MORE
ACTIVE...AND WET...PATTERN SETS UP ACROSS THE WEST.

.TODAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......200.
  SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....23-27.
  MIN HUMIDITY........40-45 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY 5 TO 10 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....8-12 ABOVE.
  MAX HUMIDITY........85-90 PERCENT.
  WINDS - 20-FOOT.....BECOMING DOWNSLOPE/DOWNVALLEY 3 TO 8 MPH AFTER 2000.

OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......420.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER)
                      THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT
                      CLOUD COVER).
  MAX TEMPERATURE.....24-28.
  MIN HUMIDITY........30-35 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOP/DOWNVALLEY 3 TO 8 MPH WILL BECOME
                      UPSLOPE/UPVALLEY 5 TO 10 MPH WITH GUSTS TO 15 MPH
                      AFTER 1100 MST.



FORECASTER...GRAHAM
REQUESTED BY...ALLAN HEPWORTH
REASON FOR REQUEST...PRESCRIBED
.TAG 20101216.RESER.01/SLC

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