939 
FNUS75 KSLC 012212
FWSSLC

SPOT FORECAST FOR DAVIS CO PILE RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
310 PM MST MON DEC 1 2008

.DISCUSSION...A COLD FRONT WILL CROSS NORTHERN UTAH TUESDAY 
CROSSING THE PROJECT SITE BY LATE MORNING. A BAND OF RAIN WILL
FOLLOW THE FRONT AND THIS COULD MIX WITH OR BRIEFLY CHANGE TO
SNOW IN THE AFTERNOON BEFORE IT ENDS. ANY ACCUMULATION WILL BE AN
INCH OR LESS...AND NOT ON PAVEMENT OR GRAVEL SURFACES. HIGH
PRESSURE RETURNS TO THE AREA WEDNESDAY BRINGING A STABLE AIRMASS
AND LOW CLEARING INDICES. ANOTHER SYSTEM IS FORECAST FOR THURSDAY
THAT WILL BRING SOME VENTILATION AND BETTER MIXING BUT CLEARING
INDICES MIGHT NOT REACH 500. HIGH PRESSURE RETURNS AGAIN FOR
FRIDAY THROUGH THE WEEKEND WITH INVERSIONS BECOMING STRONG AND
CLEARING INDICES STAYING LOW.


.TONIGHT...
  LAL.................1. 
  HAINES INDEX........5 ..MODERATE. 
  SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT CLOUD COVER). 
  MIN TEMPERATURE.....42-44. 
  MAX HUMIDITY........82-84 PERCENT. 
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 TO 10 MPH. 

.TUESDAY...
  LAL.................1. 
  HAINES INDEX........3 ..VERY LOW. 
  CLEARING INDEX......1000+. 
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER). A 
                      CHANCE OF RAIN IN THE MORNING. OCCASIONAL 
                      RAIN AND SNOW IN THE AFTERNOON. 
  MAX TEMPERATURE.....50-52 IN THE MORNING WITH TEMPS FALLING
                      INTO THE LOWER 40S IN THE AFTERNOON. 
  MIN HUMIDITY........55-57 PERCENT. 
  WINDS - 20-FOOT.....SOUTH WINDS 10 TO 15 MPH SHIFTING TO THE 
                      NORTHWEST 15 TO 20 MPH BY 1100. WINDS 
                      DIMINISHING TO 5 TO 10 MPH AFTER 1400.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1. 
  HAINES INDEX........5 ..MODERATE. 
  CLEARING INDEX......180. 
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER). 
  MAX TEMPERATURE.....52-54. 
  MIN HUMIDITY........51-53 PERCENT. 
  WINDS - 20-FOOT.....SOUTH WINDS 5 MPH SHIFTING TO WEST 5 MPH 
                      AFTER 1300. 



FORECASTER...WILENSKY
REQUESTED BY...ERIC LAMALFA
REASON FOR REQUEST...PRESCRIBED
.TAG 20081202.DAVIS.01/SLC

$$