FNUS75 KSLC 231650 FWSSLC SPOT FORECAST FOR RESERVATION RIDGE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 945 AM MST MON NOV 23 2009 .DISCUSSION...A RIDGE OF HIGH PRESSURE ALONG THE WEST COAST WILL BUILD ACROSS THE REGION THROUGH WEDNESDAY WITH A SUBSIDENCE INVERSION DEVELOPING BY THIS EVENING. TRANSPORT WINDS WILL BE MODERATE TODAY WHICH WILL ALLOW FOR HORIZONTAL DISPERSION...BUT THE RAPIDLY DEVELOPING SUBSIDENCE INVERSION WILL CAP VERTICAL DEVELOPMENT. A STRONG INVERSION AND LIGHT FLOW CAN BE EXPECTED BOTH TUESDAY AND WEDNESDAY. .TODAY... LAL.................1. HAINES INDEX........2 ..VERY LOW. CLEARING INDEX......600. SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). A CHANCE OF SNOW UNTIL NOON. MAX TEMPERATURE.....24-26. MIN HUMIDITY........44-46 PERCENT. WINDS - 20-FOOT.....NORTHWEST WINDS 10 TO 20 MPH. .TONIGHT... LAL.................1. HAINES INDEX........3 ..VERY LOW. SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT CLOUD COVER). MIN TEMPERATURE.....14-16. MAX HUMIDITY........67-69 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......140. SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER). MAX TEMPERATURE.....34-36. MIN HUMIDITY........25-27 PERCENT. WINDS - 20-FOOT.....NORTHWEST WINDS 5 TO 10 MPH. FORECASTER...BARJENBRUCH REQUESTED BY...MARTELL GIBBONS REASON FOR REQUEST...PRESCRIBED .TAG 20091123.RESER.01/SLC $$