FNUS75 KSLC 281517
FWSSLC

SPOT FORECAST FOR STUMP SPRINGS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
917 AM MDT TUE APR 28 2009

.DISCUSSION...GUSTY SOUTH WINDS ARE EXPECTED TODAY AS THE LEADING
EDGE OF AN UPPER LEVEL TROUGH MOVES SLOWLY INTO THE GREAT BASIN.
THIS SYSTEM WILL PUSH A COLD FRONT THROUGH NORTHERN UTAH
TODAY...ALTHOUGH THE FRONT WILL REMAIN NORTH OF THE BURN AREA. THE
PRIMARY IMPACT OF THIS SYSTEM...FOR SOUTHERN UTAH...WILL BE
INCREASING SOUTHWEST WINDS. THIS AFTERNOON...SOUTHWEST WINDS WILL
INCREASE TO 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH POSSIBLE.
ON WEDNESDAY...THE FLOW ALOFT DECREASES A BIT AND BECOMES MORE
WESTERLY. ALTHOUGH WEDNESDAY WILL NOT BE AS WINDY AS
TODAY...BREEZY CONDITIONS WITH SOUTHWEST WINDS 15 TO 25 MPH AND
GUSTS TO 30 MPH...ARE EXPECTED. MIXING CONDITIONS WILL BE
EXCELLENT TODAY AND WEDNESDAY WITH DEEP MIXING HEIGHTS AND STRONG
TRANSPORT WINDS. HOWEVER...THESE EXCELLENT MIXING CONDITIONS WILL
BE BE ASSOCIATED WITH GUSTY WINDS AT THE SURFACE.

.TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....55-59.
  MIN HUMIDITY........18-22 PERCENT.
  WINDS - 20-FOOT.....WINDY. SOUTHWEST WINDS 10 TO 20 MPH
                      INCREASING TO 20 TO 30 MPH WITH GUSTS TO AROUND 45
                      MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....35-39.
  MAX HUMIDITY........38-43 PERCENT.
  WINDS - 20-FOOT.....WINDY THIS EVENING. SOUTHWEST WINDS 20 TO 30 MPH
                      WITH GUSTS TO AROUND 4O MPH THIS EVENING BECOMING
                      5 TO 15 MPH IN THE LATE EVENING AND OVERNIGHT.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....57-61.
  MIN HUMIDITY........16-20 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 TO 15 MPH IN THE MORNING
                      INCREASING TO 15 TO 25 MPH WITH GUSTS TO 30 MPH
                      IN THE AFTERNOON.



FORECASTER...GRAHAM
REQUESTED BY...CHRISTENSEN
REASON FOR REQUEST...PRESCRIBED
.TAG 20090428.STUMP.01/SLC

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