FNUS75 KSLC 132345 FWSSLC SPOT FORECAST FOR BEAR RIVER ROAD PILE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 445 PM MST WED JAN 13 2010 .DISCUSSION...WEAK UPPER LEVEL TROUGH WILL MKSLCAVASLCOVE ACROSS THE REGION TONIGHT INTO EARLY THURSDAY. HOWEVER...THE COLD FRONT AT THE SURFACE IS REALLY ILL DEFINED AND DOES NOT APPEAR TO BE STRONG ENOUGH TO MIX OUT THE LOWEST LEVELS OF THE ATMOSPHERE. SURFACE WINDS WILL REMAIN VERY LIGHT THUS LEADING TO POOR CLEARING INDICES FOR BOTH THURSDAY AND FRIDAY. .TONIGHT... LAL...................1. HAINES INDEX..........2 ..VERY LOW. SKY/WEATHER...........MOSTLY CLOUDY (90-100 PERCENT CLOUD COVER). A CHANCE OF SNOW. MIN TEMPERATURE.......21-23. MAX HUMIDITY..........99-100 PERCENT. WIND (20 FT)..........LIGHT AND VARIABLE WINDS. .THURSDAY... LAL...................1. HAINES INDEX..........2 ..VERY LOW. CLEARING INDEX........60. SKY/WEATHER...........MOSTLY CLOUDY (65-75 PERCENT CLOUD COVER). A CHANCE OF SNOW UNTIL 0500...THEN A SLIGHT CHANCE OF SNOW UNTIL 1100. MAX TEMPERATURE.......34-36. MIN HUMIDITY..........74-76 PERCENT. WIND (20 FT)..........LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST 5 MPH IN THE AFTERNOON. .OUTLOOK FOR FRIDAY... LAL...................1. HAINES INDEX..........4 ..LOW. CLEARING INDEX........50. SKY/WEATHER...........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). MAX TEMPERATURE.......31-33. MIN HUMIDITY..........72-74 PERCENT. WIND (20 FT)..........EAST WINDS 5 MPH EARLY IN THE MORNING BECOMING LIGHT AND VARIABLE. FORECASTER...STRUTHWOLF REQUESTED BY...TRACY SWENSON REASON FOR REQUEST...PRESCRIBED .TAG 20100113.BEARR.01/SLC $$