FNUS75 KSLC 241356
FWSSLC

SPOT FORECAST FOR DUCK CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
656 AM MST TUE NOV 24 2009

.DISCUSSION...RIDGE OF HIGH PRESSURE WILL PREVAIL ACROSS THE
REGION THROUGH WEDNESDAY. THE SUBSIDENCE INVERSION IS LOCATED AT
ABOUT 9400 FT TODAY WITH VERY LIGHT NORTHEAST WINDS BELOW. THIS
INVERSION LIFTS TO ABOUT 10500 FT WEDNESDAY BUT THE WINDS REMAIN
LIGHT FROM THE NORTHEAST AT UNDER 10 KTS. BY THURSDAY THE HIGH
PRESSURE SHIFTS EASTWARD ALLOWING A SOUTHWEST FLOW TO DEVELOP AT
15 TO 20 KTS BUT THE INVERSION MAY NOT BREAK SO THAT WILL STILL BE
A QUESTIONABLE DAY FOR A GOOD CLEARING INDEX. IN THE MEAN TIME THE
CLEARING INDEX WILL BE POOR TODAY AND WEDNESDAY.

.TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......80.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....36-38.
  MIN HUMIDITY........20-22 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....15-17.
  MAX HUMIDITY........57-60 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 MPH.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......260.
  SKY/WEATHER.........SUNNY (0-5 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....44-46.
  MIN HUMIDITY........20-22 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 MPH.



FORECASTER...STRUTHWOLF
REQUESTED BY...ERIC EASTEP
REASON FOR REQUEST...PRESCRIBED
.TAG 20091124.DUCKC.01/SLC

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