FNUS75 KSLC 301020 FWSSLC SPOT FORECAST FOR HELLS HOLLOW NATIONAL WEATHER SERVICE SALT LAKE CITY UT 420 AM MDT FRI SEP 30 2011 .DISCUSSION...HIGH PRESSURE WILL MAINTAIN MOSTLY CLEAR TO PARTLY CLOUDY CONDITIONS WITH LIGHT WINDS THROUGH TONIGHT. AN INCREASE IN SOUTHERLY WINDS WILL BRING MOISTURE INTO UTAH FROM THE SOUTH STARTING SATURDAY AND LASTING THROUGH EARLY NEXT WEEK. THIS WILL SUPPORT ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS THROUGH THE EARLY WORK WEEK. THE GREATEST THREATS ARE AN INCREASE IN LIGHTNING AND LOCALLY GUSTY WINDS. THUNDERSTORMS WILL INITIALLY BE RATHER DRY SATURDAY BEFORE A GREATER CHANCE OF WETTING RAINS SETS IN STARTING SUNDAY. PERIODS OF MOSTLY CLOUDY CONDITIONS WILL BEGIN SATURDAY. EACH DAY SHOULD TREND SLIGHTLY COOLER AND SLIGHTLY MORE MOIST INTO EARLY NEXT WEEK. .TODAY... LAL.................1. HAINES INDEX........4 ..LOW. CLEARING INDEX......680. SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER). MAX TEMPERATURE.....80. MIN HUMIDITY........14-16 PERCENT. WINDS - 20-FOOT.....DOWNSLOPE WINDS 3-7 MPH...BECOMING WEST 5-10 MPH BEGINNING AROUND 1200. .TONIGHT... LAL.................1. HAINES INDEX........4 ..LOW. SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER). MIN TEMPERATURE.....45-47. MAX HUMIDITY........50-52 PERCENT. WINDS - 20-FOOT.....WEST 5-10 MPH...BECOMING DOWNSLOPE 3-7 MPH BEGINNING AROUND 2000. .OUTLOOK FOR SATURDAY... LAL.................1 UNTIL NOON...THEN 2. HAINES INDEX........4 ..LOW. CLEARING INDEX......1000+. SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....74-76. MIN HUMIDITY........22-24 PERCENT. WINDS - 20-FOOT.....DOWNSLOPE 3-7 MPH...BECOMING SOUTHWEST 10 TO 15 MPH BEGINNING AROUND 1000. FORECASTER...ROGOWSKI REQUESTED BY...DAN O CONNOR REASON FOR REQUEST...PRESCRIBED .TAG 20110930.HELLS.01/SLC $$