FNUS75 KSLC 072121
FWSSLC

SPOT FORECAST FOR BOX CREEK ASPEN RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
320 PM MDT WED SEP 7 2011

.DISCUSSION...A DRY AND STABLE AIRMASS WILL REMAIN IN PLACE THROUGH
TONIGHT. MOISTURE WILL BEGIN TO SPREAD NORTH INTO THE AREA
TOMORROW...THEN CONTINUE TO INCREASE THROUGH THE WEEKEND. THIS WILL
RESULT IN INCREASING POTENTIAL FOR THUNDERSTORMS THROUGH THE
WEEKEND. THUNDERSTORMS WILL INITIALLY BE DRY AND ACCOMPANIED BY
STRONG GUSTY OUTFLOW WINDS...LIKELY THROUGH FRIDAY...BEFORE WETTING
RAINS BECOME MORE PREVALENT ON SATURDAY. HOWEVER...INCREASING
INSTABILITY MEANS IMPROVED MIXING CONDITIONS...SO EXPECT TO SEE AN
UPSWING IN CLEARING INDEX OVER THE NEXT FEW DAYS.

.REST OF TODAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......460.
  SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....64-66.
  MIN HUMIDITY........21-23 PERCENT.
  WINDS - 20-FOOT.....NORTH WINDS 3 TO 6 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........CLEAR (0-5 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....43-46.
  MAX HUMIDITY........62-65 PERCENT.
  WINDS - 20-FOOT.....NORTH WINDS 3 TO 6 MPH SHIFTING
                      TO THE NORTHWEST 2 TO 5 MPH AFTER 2100.

.OUTLOOK FOR THURSDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......605.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (40-50 PERCENT
                      CLOUD COVER). ISOLATED SHOWERS
                      AND THUNDERSTORMS IN THE AFTERNOON.
  MAX TEMPERATURE.....63-66.
  MIN HUMIDITY........24-27 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 2 TO 5 MPH INCREASING TO
                      3 TO 7 MPH AFTER 1800.


FORECASTER...CHENG
REQUESTED BY...RIFC
REASON FOR REQUEST...PRESCRIBED
.TAG 20110907.BOXCR.02/SLC

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