FNUS75 KSLC 171612 FWSSLC SPOT FORECAST FOR HORSE NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1012 AM MDT FRI JUL 17 2009 .DISCUSSION...HIGH PRESSURE ALOFT WILL REMAIN CENTERED OVER THE AREA TODAY THROUGH THE UPCOMING WEEKEND...RESULTING IN LIGHT WINDS GENERALLY DRIVEN BY TERRAIN FLOWS. THIS RIDGE WILL ALSO CONTINUE TO RESULT IN HOT TEMPERATURES AND LOW RELATIVE HUMIDITIES...WITH GENERALLY POOR OVERNIGHT RECOVERY. SUFFICIENT HIGH BASED MOISTURE REMAINS IN PLACE TO ALLOW FOR A FEW AFTERNOON BUILDUPS THIS AFTERNOON...HOWEVER THIS MOISTURE DOESNT APPEAR TO BE ADEQUATE TO SUPPORT ANY THUNDERSTORM ACTIVITY. BY SATURDAY HOWEVER...THIS MOISTURE SHOULD BE SUFFICIENT TO SUPPORT ISOLATED HIGH BASED SHOWERS AND DRY THUNDERSTORMS WILL BE POSSIBLE. .TODAY... LAL.................1. HAINES INDEX........6 ..HIGH. CLEARING INDEX......660. SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER)...BECOMING PARTLY CLOUDY (30-40 PCT CLOUD COVER) AFTER 1100. A FEW AFTERNOON BUILDUPS POSSIBLE. MAX TEMPERATURE.....88-91. MIN HUMIDITY........16-19 PERCENT. WINDS - 20-FOOT.....SOUTHEAST/UPSLOPE 4-9 MPH. .TONIGHT... LAL.................1. HAINES INDEX........6 ..HIGH. SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT CLOUD COVER). MIN TEMPERATURE.....55-58. MAX HUMIDITY........37-40 PERCENT. WINDS - 20-FOOT.....DOWNSLOPE 4-9 MPH. .OUTLOOK FOR SATURDAY... LAL.................1 UNTIL NOON...THEN 2. HAINES INDEX........6 ..HIGH. CLEARING INDEX......870. SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). ISOLATED HIGH BASED SHOWERS AND DRY THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....91-94. MIN HUMIDITY........15-18 PERCENT. WINDS - 20-FOOT.....DOWNSLOPE 3-6 MPH BECOMING SOUTHEAST/UPSLOPE 4-9 MPH AFTER 1100. FORECASTER...SEAMAN REQUESTED BY...PATRICK MOORE REASON FOR REQUEST...WILDFIRE .TAG 20090717.HORSE.01/SLC $$