FNUS75 KSLC 171435 FWSSLC SPOT FORECAST FOR MONVISO NATIONAL WEATHER SERVICE SALT LAKE CITY UT 735 AM MST TUE NOV 17 2009 .DISCUSSION...HIGH PRESSURE WILL REMAIN OVERHEAD TODAY...CONTINUING CALM...STABLE CONDITIONS. AS A RESULT...TERRAIN DRIVEN WINDS WILL PREVAIL...AND CLEARING INDICES WILL BE QUITE LOW. WINDS WILL INCREASE SOMEWHAT TOMORROW FROM THE SOUTH AHEAD OF AN APPROACHING WEAK SYSTEM...AND MAY OVERCOME LOCAL UPSLOPE WINDS AT TIMES. THESE WINDS...COMBINED WITH COOLING TEMPERATURES ALOFT SHOULD ACT TO IMPROVE CLEARING INDICES. A WEAK FRONT WILL CROSS THE BURN AREA WEDNESDAY NIGHT/THURSDAY MORNING. THERE IS NOT MUCH MOISTURE WITH THE FRONT...BRINGING ONLY A SLIGHT CHANCE OF PRECIPITATION. CALM...STABLE CONDITIONS RETURN THURSDAY AS A SHORT-LIVED RIDGE BUILDS OVERHEAD.A MUCH STRONGER FRONT WILL MOVE ACROSS THE AREA SATURDAY. SOUTH WINDS WILL INCREASE SIGNIFICANTLY FRIDAY AHEAD OF THE FRONT. .TODAY... LAL.................1. HAINES INDEX........3 ..VERY LOW. CLEARING INDEX......60. SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER). MAX TEMPERATURE.....43-47. MIN HUMIDITY........26-28 PERCENT. WINDS - 20-FOOT.....UPSLOPE/UPVALLEY 5-8 MPH. .TONIGHT... LAL.................1. HAINES INDEX........4 ..LOW. SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER). MIN TEMPERATURE.....16-19. MAX HUMIDITY........77-79 PERCENT. WINDS - 20-FOOT.....DOWNSLOPE/DOWNVALLEY 3-7 MPH. .OUTLOOK FOR WEDNESDAY... LAL.................1. HAINES INDEX........3 ..VERY LOW. CLEARING INDEX......560. SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER) IN THE MORNING...BECOMING PARTLY CLOUDY (45-55 PERCENT CLOUD COVER) IN THE AFTERNOON MAX TEMPERATURE.....44-46. MIN HUMIDITY........28-30 PERCENT. WINDS - 20-FOOT.....UPSLOPE/UPVALLEY 5-8 MPH BECOMING SOUTH 9-12 MPH AT TIMES IN THE AFTERNOON. FORECASTER...HOSENFELD REQUESTED BY...JABLONSKI REASON FOR REQUEST...PRESCRIBED .TAG 20091117.MONVI.01/SLC $$