FNUS75 KSLC 231549
FWSSLC

SPOT FORECAST FOR STUMP SPRINGS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
949 AM MDT WED SEP 23 2009

.DISCUSSION...A NORTH TO NORTHEASTERLY FLOW ALOFT WILL
PREVAIL ACROSS THE REGION THROUGH THURSDAY...AS THE AREA
REMAINS SANDWICHED BETWEEN A LOW PRESSURE SYSTEM OVER THE
CENTRAL PLAINS...AND A RIDGE OF HIGH PRESSURE CENTERED ACROSS
THE NORTHERN ROCKIES. DAYTIME WINDS ARE EXPECTED TO REMAIN
NORTHERLY AT THE SURFACE...SWITCHING TO A LIGHT
WEST-NORTHWEST DOWNSLOPE FLOW NEAR OR SHORTLY AFTER SUNSET.
HIGH PRESSURE ALOFT IS EXPECTED TO BUILD ACROSS THE REGION
LATE IN THE WEEK THROUGH EARLY NEXT WEEK...RESULTING IN
LIGHT WINDS BUT DEEP DAYTIME MIXING. IT NOW APPEARS A COLD
AND MOIST PACIFIC STORM SYSTEM WILL MOVE INTO THE GREAT
BASIN DURING THE MID TO LATTER PORTION OF NEXT WEEK.

.TODAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......980.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....61-64.
  MIN HUMIDITY........13-16 PERCENT.
  WINDS - 20-FOOT.....NORTH 5-10 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....40.
  MAX HUMIDITY........35-38 PERCENT.
  WINDS - 20-FOOT.....NORTH 3-8 MPH BECOMING WEST-NORTHWEST
                      3-8 MPH AFTER 2000.

.OUTLOOK FOR THURSDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......550.
  SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....61-64.
  MIN HUMIDITY........13-16 PERCENT.
  WINDS - 20-FOOT.....NORTH 5-10 MPH.



FORECASTER...SEAMAN
REQUESTED BY...KEITH ADAMS
REASON FOR REQUEST...PRESCRIBED
.TAG 20090923.STUMP.01/SLC

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