FNUS75 KSLC 261309
FWSSLC

SPOT FORECAST FOR DUCK CREEK FUELS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
609 AM MST MON JAN 26 2009

.DISCUSSION...LARGE UPPER LEVEL TROUGH OVER THE WEST THROUGH EARLY
TUESDAY. THE AXIS IS OVER CENTRAL NEVADA THIS MORNING AND WILL
ONLY MOVE VERY SLOWLY SOUTHEAST AND CROSS OVER YOUR BURN SITE LATE
TONIGHT. UNTIL THAT TIME THE ATMOSPHERE WILL BE UNSTABLE WITH
PERIODS OF SNOW INTO THIS AFTERNOON AND THEN SNOW SHOWERS THIS
EVENING. ONCE THE TROUGH AXIS MOVES BY AN INVERSION WILL FOLLOW
IMMEDIATELY IN ITS WAKE...WITH ITS BASE ABOUT 8500-9000 FT. DESPITE
GOOD HORIZONTAL TRANSPORT TUESDAY OF 15-20 MPH THE VERTICAL MIXING
WILL BE CAPPED. EXPECTED ADDITIONAL SNOW ACCUMULATIONS TODAY WILL BE
2-4 INCHES.

THE INVERSION HEIGHT IS EXPECTED TO RISE TO NEAR 10,000 FT ON
WEDNESDAY BUT WITH INCREASED WIND FLOW THROUGH THIS LAYER THE
CLEARING INDEX SHOULD EXCEED 500 ONCE AGAIN.

.TODAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........CLOUDY (90-100 PERCENT CLOUD COVER). PERIODS OF
                      SNOW.
  MAX TEMPERATURE.....26-28.
  MIN HUMIDITY........63-65 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 15 TO 20 MPH SHIFTING TO THE
                      WEST 10 MPH IN THE LATE MORNING AND
                      AFTERNOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........CLOUDY (95-100 PERCENT CLOUD COVER). CHANCE OF SNOW
                      SHOWERS.
  MIN TEMPERATURE.....12-14.
  MAX HUMIDITY........87-89 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 10 MPH.

.OUTLOOK FOR TUESDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......230.
  SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER) IN THE
                      MORNING THEN PARTLY CLOUDY.
  MAX TEMPERATURE.....25-27.
  MIN HUMIDITY........42-44 PERCENT.
  WINDS - 20-FOOT.....NORTH WINDS 10 TO 15 MPH WITH GUSTS OVER 20 MPH.



FORECASTER...STRUTHWOLF
REQUESTED BY...ERIC EASTEP
REASON FOR REQUEST...PRESCRIBED
.TAG 20090126.DUCKC.01/SLC

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