FNUS75 KSLC 051209
FWSSLC

SPOT FORECAST FOR UPPER SANTA CLARA
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
609 AM MDT TUE APR 5 2011

.DISCUSSION...HIGH PRESSURE WILL BEGIN TO SHIFT EAST TODAY
ALLOWING SOUTHWEST FLOW ALOFT TO INCREASE. DIURNAL DOWNSLOPE
WINDS EARLY THIS MORNING ARE EXPECTED TO BECOME SOUTHWESTERLY BY
MID MORNING...INCREASING THROUGH THE AFTERNOON. NET WIND INCREASE
BOTH AT THE SURFACE AND ALOFT WILL HAVE A POSITIVE INFLUENCE ON
THE CLEARING INDICES ALLOWING MODERATE MIXING POTENTIAL FROM MID
MORNING ON. A COLD FRONT ENTERING NORTHERN UTAH TODAY WILL SURGE
SOUTH OVERNIGHT TONIGHT...PASSING THROUGH THE BURN SITE BETWEEN
05-0600 WEDNESDAY. THE FRONT WILL BE WEAKENING BUT SHOWERS ARE
POSSIBLE LATE MORNING THROUGH THE AFTERNOON...ESPECIALLY OVER THE
NEIGHBORING TERRAIN.

.TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......780.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....61-63.
  MIN HUMIDITY........12-16 PERCENT.
  WINDS - 20-FOOT.....EAST WINDS 5 MPH SHIFTING TO THE SOUTHWEST
                      LATE IN THE MORNING...THEN INCREASING TO 10
                      TO 20 MPH IN THE AFTERNOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....44-46.
  MAX HUMIDITY........45-47 PERCENT.
  WINDS - 20-FOOT.....BREEZY. SOUTHWEST WINDS 15 TO 20 MPH DECREASING TO
                      10 MPH IN THE LATE EVENING AND EARLY
                      MORNING...THEN BECOMING NORTHEAST 5 TO 10 MPH
                      EARLY IN THE MORNING.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER)
                      THEN BECOMING MOSTLY CLOUDY (85-95 PERCENT
                      CLOUD COVER). A SLIGHT CHANCE OF RAIN IN THE
                      MORNING...THEN A CHANCE OF SHOWERS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....52-54.
  MIN HUMIDITY........27-29 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 10 TO 15 MPH SWITCHING TO
                      SOUTHWEST 4 TO 8 MPH LATE MORNING.



FORECASTER...MERRILL
REQUESTED BY...MICAH SUWYN
REASON FOR REQUEST...PRESCRIBED
.TAG 20110405.UPPER.01/SLC

$$