FNUS75 KSLC 311024 FWSSLC SPOT FORECAST FOR NUWET NATIONAL WEATHER SERVICE SALT LAKE CITY UT 424 AM MDT FRI MAY 31 2013 .DISCUSSION...A COOL NORTHWEST FLOW WILL REMAIN ACROSS THE AREA TODAY KEEPING TEMPERATURES BELOW NORMAL. THIS FLOW WILL BE SUFFICIENT TO KEEP CLEARING INDICES WELL ABOVE 500 DURING THE LATE MORNING AND AFTERNOON. HIGH PRESSURE ALOFT WILL STRENGTHEN OVER THE REGION DURING THE UPCOMING WEEKEND ALLOWING FOR A SUBSTANTIAL WARMING TREND. THIS WARMING ALOFT WILL LIKELY LIMIT VENTILATION...KEEPING CLEARING INDICES BELOW 500 BOTH SATURDAY AND SUNDAY. WITH THE BUILDING HIGH...WINDS OVER THE WEEKEND WILL REMAIN LIGHT AND DRIVEN BY DIURNAL SLOPE FLOWS. .TODAY... LAL.................1. HAINES INDEX........3 ..VERY LOW. CLEARING INDEX......1000+. SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER). MAX TEMPERATURE.....55-57. MIN HUMIDITY........30-32 PERCENT. WINDS - 20-FOOT.....SOUTH 2-5 MPH BECOMING NORTHWEST 4-9 MPH AFTER 1000. .TONIGHT... LAL.................1. HAINES INDEX........3 ..VERY LOW. SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT CLOUD COVER). MIN TEMPERATURE.....35-37. MAX HUMIDITY........72-74 PERCENT. WINDS - 20-FOOT.....NORTHWEST 4-9 MPH EARLY BECOMING LIGHT AND VARIABLE AFTER 2000. .OUTLOOK FOR SATURDAY... LAL.................1. HAINES INDEX........2 ..VERY LOW. CLEARING INDEX......350. SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER). MAX TEMPERATURE.....64-66. MIN HUMIDITY........22-24 PERCENT. WINDS - 20-FOOT.....LIGHT AND VARIABLE BECOMING NORTH 3-7 MPH IN THE AFTERNOON. FORECASTER...SEAMAN REQUESTED BY...DUSTY RICHARDS REASON FOR REQUEST...PRESCRIBED .TAG 20130531.NUWET.01/SLC $$