FNUS75 KSLC 081544
FWSSLC

SPOT FORECAST FOR UPPER SANTA CLARA
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
844 AM MST MON NOV 8 2010

.DISCUSSION...STRONG COLD FRONT CURRENTLY OVER NORTHERN/WESTERN
UTAH WILL CONTINUE TO PROGRESS SOUTHEAST TOWARDS THE UPPER SANTA
CLARA SITE TODAY. TERRAIN DOING A GOOD JOB OF SHELTERING THE SITE
FROM STRONG SOUTHERLY FLOW ALOFT. EXPECT WINDS TO REMAIN IN AN
ENHANCED DOWNSLOPE THIS MORNING FROM AN EASTERLY
ORIENTATION...BUT GUSTS LIKELY TO INCREASE THIS AFTERNOON WITH
ADDITIONAL MIXING OF THE LOW LEVELS. ADDITIONALLY...RAIN SHOWERS
WILL BECOME MORE FREQUENT THIS MORNING BEFORE BECOMING MODERATE
AT TIMES SNOWFALL THIS AFTERNOON AND EVENING. TIMING OF FRONTAL
PASSAGE LOOKS TO FALL BETWEEN 1700 AND 1900 WITH WIND TRENDS
VEERING FROM SOUTHEASTERLY TO NORTHWESTERLY DURING THAT TIME.
WIND SPEEDS ARE EXPECTED TO GRADUALLY DIMINISH POST FRONTAL
OVERNIGHT TONIGHT ALLOWING MORE OF A TYPICAL BUT ENHANCED
DOWNSLOPE DRAINAGE TO DEVELOP ONCE AGAIN. SNOW SHOWERS WILL
DIMINISH TUESDAY MORNING WITH PARTIAL CLEARING...GOOD
MIXING...AND COOLER CONDITIONS.

.TODAY...
  LAL.................1 UNTIL 1100...THEN 2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........CLOUDY (95-100 PERCENT CLOUD COVER).
                      FREQUENT SHOWERS UNTIL 1100...THEN RAIN
                      CHANGING TO SNOW. CAN NOT RULE OUT AN
                      ISOLATED THUNDERSTORM THIS AFTERNOON.
  MAX TEMPERATURE.....37-40.
  MIN HUMIDITY........77-80 PERCENT.
  WINDS - 20-FOOT.....EAST WINDS 5 TO 10 GUSTING 15 MPH BECOMING EAST
                      SOUTHEAST 10 TO 15 WITH A FEW GUSTS TO
                      25 MPH MIDDAY IN THE 1200-1600 WINDOW.

.TONIGHT...
  LAL.................2 UNTIL 1700...THEN 1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (90-100 PERCENT CLOUD COVER)
                      UNTIL 2200...THEN PARTLY CLOUDY (40-50
                      PERCENT CLOUD COVER). SNOW AND A
                      SLIGHT CHANCE OF THUNDERSTORMS UNTIL
                      1900...THEN OCCASIONAL SNOW UNTIL 2300...THEN
                      INTERMITTENT SNOW SHOWERS.
  MIN TEMPERATURE.....25-27.
  MAX HUMIDITY........97-99 PERCENT.
  WINDS - 20-FOOT.....WINDS BECOMING NORTHWEST 5 TO 10 GUST 15 MPH
                      BETWEEN 1800-2000...THEN SHIFTING TO THE
                      EAST NORTHEAST 5 TO 8 MPH GUSTING 15 MPH
                      AFTER MIDNIGHT.

.OUTLOOK FOR TUESDAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......650.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER). A
                      CHANCE OF SNOW SHOWERS EARLY IN THE MORNING BUT
                      TRENDS WILL BE TO DRY.
  MAX TEMPERATURE.....41-43.
  MIN HUMIDITY........42-44 PERCENT.
  WINDS - 20-FOOT.....EAST TO NORTHEAST WINDS 5 MPH INCREASING
                      TO 10 TO 15 MPH UNTIL LATE AFTERNOON...THEN
                      DECREASING TO NORTHWEST 5 TO 9 MPH AFTER
                      NOON.



FORECASTER...MERRILL
REQUESTED BY...MICAH SUWYN
REASON FOR REQUEST...PRESCRIBED
.TAG 20101108.UPPER.01/SLC

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