FNUS75 KSLC 201024 FWSSLC SPOT FORECAST FOR RUSH VALLEY RX NATIONAL WEATHER SERVICE SALT LAKE CITY UT 424 AM MDT TUE SEP 20 2011 .DISCUSSION...HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE REGION FOR THE NEXT SEVERAL DAYS ALLOWING DRY AND WARMING CONDITIONS TO PREVAIL. A VERY WEAK COOL FRONT SLIPPED IN FROM THE NORTH OVERNIGHT AND WILL AID TO MIX DOWN LIGHT NORTHERLY WINDS SOONER THAN NORMAL TODAY...THIS BY 0900-1000 THIS MORNING...BUT SPEEDS ARE EXPECTED TO REMAIN IN THE 5-10 MPH RANGE. HIGH PRESSURE WILL GAIN STRENGTH WEDNESDAY TURNING WINDS LIGHT AND DRIVEN BY LIGHT DIURNAL SLOPE FLOWS. A COMBINATION OF HIGH PRESSURE GAINING STRENGTH AND LIGHT WINDS WILL HAVE A NEGATIVE INFLUENCE ON CI HOWEVER WITH VALUES BEGINNING A DOWNWARD SLIDE THAT WILL CONTINUE INTO LATE WEEK. .TODAY... LAL.................1. HAINES INDEX........3 ..VERY LOW. CLEARING INDEX......1000+. SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER). MAX TEMPERATURE.....81-83. MIN HUMIDITY........19-21 PERCENT. WINDS - 20-FOOT.....SOUTH WINDS 5 MPH EARLY IN THE MORNING BECOMING NORTHWEST 5-10 MPH AFTER 09-1000. .TONIGHT... LAL.................1. HAINES INDEX........3 ..VERY LOW. SKY/WEATHER.........CLEAR (0-10 PERCENT CLOUD COVER). MIN TEMPERATURE.....42-44. MAX HUMIDITY........63-65 PERCENT. WINDS - 20-FOOT.....NORTHWEST WINDS 5 TO 10 MPH BECOMING DOWNVALLEY 4-7 MPH AFTER 2100. .OUTLOOK FOR WEDNESDAY... LAL.................1. HAINES INDEX........3 ..VERY LOW. CLEARING INDEX......760. SKY/WEATHER.........SUNNY (0-5 PERCENT CLOUD COVER). MAX TEMPERATURE.....80-82. MIN HUMIDITY........18-20 PERCENT. WINDS - 20-FOOT.....DOWNVALLEY 4-7 MPH IN THE MORNING BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTHWEST 5 MPH AFTER 1800. FORECASTER...MERRILL REQUESTED BY...PAUL CORRIGAN REASON FOR REQUEST...PRESCRIBED .TAG 20110920.RUSHV.01/SLC $$