FNUS75 KSLC 151201 FWSSLC SPOT FORECAST FOR UPPER SANTA CLARA VEG NATIONAL WEATHER SERVICE SALT LAKE CITY UT 600 AM MDT THU MAR 15 2012 .DISCUSSION...SOUTHWESTERLY FLOW ALOFT WILL PREVAIL TODAY AND FRIDAY...RESULTING IN DEEP MIXING AND EXCELLENT VENTILATION. WINDS WILL REMAIN GENERALLY SOUTHWESTERLY WITH SPEEDS OF 10 TO 20 MILES AN HOUR TODAY...INCREASING TO 15 TO 25 MILES AN HOUR WITH A FEW HIGHER GUSTS ON FRIDAY. DRY WEATHER WILL PREVAIL...BUT PERIODS OF MID AND HIGH LEVEL CLOUDS WILL REDUCE SOLAR RADIATION...WITH THE CLOUDINESS MORE PRONOUNCED ON FRIDAY. A COLD FRONT IS EXPECTED TO CROSS THE AREA LATE SATURDAY...WITH A MUCH COOLER AND MORE MOIST PATTERN EXPECTED THROUGH MONDAY. .TODAY... LAL.................1. HAINES INDEX........3 ..VERY LOW. CLEARING INDEX......680. SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). MAX TEMPERATURE.....55-57. MIN HUMIDITY........15-20 PERCENT. WINDS - 20-FOOT.....SOUTHWEST WINDS 10 TO 20 MPH. .TONIGHT... LAL.................1. HAINES INDEX........3 ..VERY LOW. SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). MIN TEMPERATURE.....37-39. MAX HUMIDITY........50 TO 55 PERCENT. WINDS - 20-FOOT.....SOUTHWEST WINDS 10 TO 20 MPH. .OUTLOOK FOR FRIDAY... LAL.................1. HAINES INDEX........2 ..VERY LOW. CLEARING INDEX......1000+. SKY/WEATHER.........PARTLY CLOUDY (65-75 PERCENT CLOUD COVER). MAX TEMPERATURE.....54-56. MIN HUMIDITY........24-26 PERCENT. WINDS - 20-FOOT.....SOUTHWEST WINDS 10 TO 15 MPH INCREASING TO 15 TO 25 MPH IN THE AFTERNOON. FORECASTER...BARJENBRUCH REQUESTED BY...MICAH SUWYN REASON FOR REQUEST...PRESCRIBED .TAG 20120315.UPPER.01/SLC $$