FNUS75 KSLC 111817
FWSSLC

SPOT FORECAST FOR HELLS HOLLOW RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1217 PM MDT MON OCT 11 2010

.DISCUSSION...A WEAK SYSTEM IS CROSSING THE PROJECT SITE TODAY
BRINGING LIGHT SHOWERS AND SLIGHTLY COOLER TEMPERATURES ALONG
WITH BREEZY WEST-NORTHWEST WINDS THIS AFTERNOON INTO THIS
EVENING. HIGH PRESSURE WILL BUILD BACK INTO NORTHERN UTAH TUESDAY
AND REMAIN FIRMLY IN PLACE THROUGH THURSDAY. THIS WILL KEEP A
STABLE AIRMASS OVER THE AREA WITH POOR MIXING. LOCAL SLOPE WINDS
WILL PREVAIL ALTHOUGH LIGHT WEST WINDS COULD OVERCOME THE SLOPE
WINDS IN THE AFTERNOONS. WINDS WILL PICK UP ON FRIDAY AHEAD OF
THE NEXT PACIFIC SYSTEM THAT IS FORECAST TO AFFECT THE AREA OVER
THE WEEKEND.

.TODAY...
  LAL.................2.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......860.
  SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND A SLIGHT CHANCE
                      OF THUNDERSTORMS.
  MAX TEMPERATURE.....53-55.
  MIN HUMIDITY........48-50 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 10 MPH INCREASING TO 15-20 MPH
                      LATER THIS AFTERNOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (50-65 PERCENT CLOUD COVER)
                      UNTIL MIDNIGHT...THEN MOSTLY CLEAR (10-20
                      PERCENT CLOUD COVER).
  MIN TEMPERATURE.....32-34.
  MAX HUMIDITY........92-94 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 10 TO 15 MPH DECREASING
                      TO 5 MPH AFTER MIDNIGHT.

.OUTLOOK FOR TUESDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......180.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....52-54.
  MIN HUMIDITY........36-38 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS BECOMING WEST 5-10 MPH
                      IN THE AFTERNOON.



FORECASTER...WILENSKY
REQUESTED BY...ERIC LAMALFA
REASON FOR REQUEST...PRESCRIBED
.TAG 20101011.HELLS.01/SLC

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