FNUS75 KSLC 181154
FWSSLC

SPOT FORECAST FOR DUCK CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
455 AM MST WED NOV 18 2009

.DISCUSSION...RIDGE OF HIGH PRESSURE OVER THE ROCKIES WILL CONTINUE
ITS EASTWARD SHIFT TODAY.  A COLD FRONT WILL DROP SOUTHEAST INTO THE
REGION...CROSSING OVER THE BURN AREA EARLY TONIGHT.  AHEAD OF THIS
FRONT...SOUTHWEST FLOW ALOFT WILL STRENGTHEN TODAY...PROVIDING
ADEQUATE MIXING CONDITIONS.  DRY WEATHER CONDITIONS WILL PREVAIL.
THE FLOW ALOFT WILL WEAKEN CONSIDERABLY ON THURSDAY WITH MIXING
CONDITIONS EXPECTED TO BE POOR.  A STRONG SOUTHWEST FLOW WILL
DEVELOP ON FRIDAY IN ADVANCE OF A MORE VIGOROUS PACIFIC STORM SYSTEM
PUSHING TOWARD THE REGION.  AHEAD OF THIS SYSTEM...DRY CONDITIONS
WILL PREVAIL AND MIXING CONDITIONS WILL BE GOOD.  WHILE THE BEST
MOISTURE AND LIFT FROM THIS SYSTEM WILL REMAIN ACROSS NORTHERN
UTAH...RAIN AND SNOW SHOWERS WILL BE A POSSIBILITY ON SATURDAY.
WITH A CONTINUED STRONG FLOW ALOFT ON SATURDAY...MIXING CONDITIONS
WILL AGAIN BE GOOD.

.TODAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......590.
  SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....44-46.
  MIN HUMIDITY........15-17 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 10 TO 15 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....21-23.
  MAX HUMIDITY........48-50 PERCENT.
  WINDS - 20-FOOT.....NORTH WINDS 5 TO 10 MPH.

.OUTLOOK FOR THURSDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......230.
  SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....43-45.
  MIN HUMIDITY........20-22 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 5 TO 10 MPH.



FORECASTER...BARJENBRUCH
REQUESTED BY...DAVID JORDAN
REASON FOR REQUEST...PRESCRIBED
.TAG 20091118.DUCKC.01/SLC

$$