FNUS75 KSLC 211255
FWSSLC

SPOT FORECAST FOR DUCK CREEK RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
555 AM MST MON NOV 21 2011

.DISCUSSION...A WEAK TROUGH WILL CONTINUE TO MOVE THROUGH
THE AREA TODAY BEFORE SHIFTING EAST TONIGHT. LIGHT SNOW AND SNOW
SHOWERS WILL CONTINUE AT DUCK CREEK AS A RESULT TODAY BEFORE
DRYING SETS IN TONIGHT. NET ACCUMULATIONS WILL REMAIN RATHER
LIGHT BUT UP TO 2 INCHES CAN BE EXPECTED. MIXING WILL REMAIN GOOD
WITH INFLUENCE OF INSTABILITY ASSOCIATED WITH THE TROUGH TODAY
BUT HIGH PRESSURE WILL RAPIDLY BUILD IN FROM THE SOUTHWEST
TUESDAY CREATING POOR MIXING DUE TO A COMBINATION OF INCREASED
STABILITY AND LIGHT TRANSPORT WINDS. WINDS ALOFT WILL TREND TO
INCREASE WEDNESDAY/THURSDAY AS THE NEXT PACIFIC TROUGH
APPROACHES...THIS ALLOWING A NET INCREASING TREND OF MIXING
POTENTIAL WITH GOOD TRENDING EXCELLENT MIXING EXPECTED FOR THE
LATTER HALF THE WEEK.


.TODAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......850.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).
                      OCCASIONAL SNOW SHOWERS.
  MAX TEMPERATURE.....36-38.
  MIN HUMIDITY........72-74 PERCENT.
  WINDS - 20-FOOT.....SOUTH TO SOUTHWEST WINDS 5 TO 10 MPH.
                      CAN NOT RULE OUT A FEW AFTERNOON GUSTS
                      TO 15 MPH

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....25-27.
  MAX HUMIDITY........98-100 PERCENT.
  WINDS - 20-FOOT.....DOWNVALLEY/DOWNSLOPE 3 TO 7 MPH.

.OUTLOOK FOR TUESDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......150.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....43-45.
  MIN HUMIDITY........39-41 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 MPH.



FORECASTER...MERRILL
REQUESTED BY...JASON RICE
REASON FOR REQUEST...PRESCRIBED
.TAG 20111121.DUCKC.01/SLC

$$