FNUS75 KSLC 201309
FWSSLC

SPOT FORECAST FOR DUCK CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
600 AM MST FRI NOV 20 2009

.DISCUSSION...UPPER LEVEL RIDGE OVER THE GREAT BASIN THIS MORNING
WILL QUICKLY MOVE EAST OF THE AREA TODAY AS A TROUGH ENTERS THE
GREAT BASIN. SOUTHWEST WINDS WILL INCREASE DRAMATICALLY AHEAD OF THE
APPROACHING TROUGH THIS AFTERNOON INTO THIS EVENING.  THERE IS THE
POSSIBILITY FOR GUSTS TO REACH 50 TO 55 MPH ALONG RIDGETOPS THIS
AFTERNOON. WITH MILD TEMPERATURES AHEAD OF THE APPROACHING TROUGH
DEEPER MIXING CAN BE EXPECTED...AND WITH STRONG TRANSPORT WINDS
DEVELOPING...CLEARING INDICES WILL BE MUCH HIGHER TODAY.  THE CORE
OF THE TROUGH WILL PASS NORTH OF THE BURN...BUT IT WILL PUSH A COLD
FRONT THROUGH THE SITE MIDDAY ON SATURDAY BRINGING A SLIGHT CHANCE
OF RAIN OR SNOW SHOWERS TO THE BURN DURING THE DAY ON SATURDAY.  THE
FRONT WILL ALSO BRING AS SHIFT TO WESTERLY WINDS ON SATURDAY
AFTERNOON.

.TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......750.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....53-57.
  MIN HUMIDITY........14-18 PERCENT.
  WINDS - 20-FOOT.....WINDY. SOUTHWEST WINDS 5 TO 15 MPH MPH
                      INCREASING TO 25 TO 35 MPH WITH GUSTS TO
                      50 MPH IN THE AFTERNOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....25-29.
  MAX HUMIDITY........50-55 PERCENT.
  WINDS - 20-FOOT.....WINDY THIS EVENING. SOUTH WINDS 25 TO 35 MPH
                      WITH GUSTS TO AROUND 45 MPH EARLY THIS EVENING
                      DECREASING TO 15 TO 25 MPH WITH GUSTS TO 35 TO
                      40 MPH.

.OUTLOOK FOR SATURDAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF RAIN OR SNOW.
  MAX TEMPERATURE.....40-45.
  MIN HUMIDITY........30-35 PERCENT.
  WINDS - 20-FOOT.....BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH
                      GUSTS TO 35 TO 40 MPH...SHIFTING TO THE WEST
                      15 TO 25 MPH IN THE AFTERNOON.



FORECASTER...GRAHAM
REQUESTED BY...DAVID JORDAN
REASON FOR REQUEST...PRESCRIBED
.TAG 20091120.DUCKC.01/SLC

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