FNUS75 KSLC 261334 FWSSLC SPOT FORECAST FOR DUCK CREEK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 734 AM MDT MON APR 26 2010 .DISCUSSION...HIGH PRESSURE BUILDING OVER THE REGION WILL BRING A DRY AND SOMEWHAT STABLE AIRMASS TO THE BURN SITE TODAY. VERY LIGHT TRANSPORT WINDS WILL BE THE LIMITING FACTOR FOR CLEARING INDICES TODAY. WINDS PICK UP SIGNIFICANTLY TOMORROW AS THE RIDGE SHIFTS EAST AHEAD OF AN APPROACHING STORM SYSTEM. THEY WILL BEGIN TO STRENGTHEN AROUND SUNRISE TOMORROW...BUT WILL BE AT THEIR STRONGEST LATE TOMORROW AFTERNOON THROUGH EARLY TOMORROW EVENING...AND WILL BE STRONG TO SEVERE. THE COLD FRONT WILL ENTER NORTHERN UTAH VERY EARLY WEDNESDAY...APPROACHING THE BURN SITE LATE WEDNESDAY AFTERNOON/EARLY WEDNESDAY EVENING. A PERIOD OF HEAVY SNOW WILL OCCUR WITH THE PASSAGE OF THE FRONT...BUT INSTABILITY SHOWERS ARE POSSIBLE THROUGH THURSDAY. .TODAY... LAL...................1. HAINES INDEX..........4 ..LOW. CLEARING INDEX........400. SKY/WEATHER...........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER). MAX TEMPERATURE.......60-64. MIN HUMIDITY..........18-22 PERCENT. WIND (20 FT)..........UPSLOPE/UPVALLEY WINDS UP TO 5 MPH. .TONIGHT... LAL...................1. HAINES INDEX..........4 ..LOW. SKY/WEATHER...........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER). MIN TEMPERATURE.......32-36. MAX HUMIDITY..........50-54 PERCENT. WIND (20 FT)..........DOWNSLOPE/DOWNVALLEY WINDS UP TO 5 MPH. .OUTLOOK FOR TUESDAY... LAL...................1. HAINES INDEX..........3 ..VERY LOW. CLEARING INDEX........1000+. SKY/WEATHER...........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT CLOUD COVER). MAX TEMPERATURE.......63-67. MIN HUMIDITY..........16-20 PERCENT. WIND (20 FT)..........VERY WINDY. SOUTH WINDS 15 TO 20 MPH INCREASING TO SOUTHWEST 35 TO 40 MPH WITH GUSTS TO AROUND 60 MPH IN THE AFTERNOON. FORECASTER...TRAPHAGAN REQUESTED BY...PETER GOETZINGER REASON FOR REQUEST...PRESCRIBED .TAG 20100426.DUCKC.01/SLC $$