FNUS75 KSLC 201441 FWSSLC SPOT FORECAST FOR AMOS CANYON WFM NATIONAL WEATHER SERVICE SALT LAKE CITY UT 841 AM MDT THU AUG 20 2009 .DISCUSSION...VERY STRONG HIGH PRESSURE ALOFT WILL CENTER ACROSS UTAH THROUGH LATE FRIDAY. TEMPERATURES WILL BE EXCEPTIONALLY WARM WITH LOW RH VALUES AND TERRAIN DRIVEN WINDS THE NEXT 2-3 DAYS. THE HIGH PRESSURE WILL SHIFT EAST OF THE AREA THIS WEEKEND. THIS SHIFT WILL ALLOW MOISTURE TO WORK NORTH AND BRING THE THREAT OF DRY THUNDERSTORMS SATURDAY...WITH AN INCREASING THREAT OF WETTING RAINS SUNDAY AND MONDAY. .TODAY... LAL.................1. HAINES INDEX........5 ..MODERATE. CLEARING INDEX......450. SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER). MAX TEMPERATURE.....80. MIN HUMIDITY........15-17 PERCENT. WINDS - 20-FOOT.....NORTHEAST WINDS 5 TO 10 MPH...SHIFTING TO THE NORTH NORTHWEST 6 TO 12 MPH AFTER 1000. .TONIGHT... LAL.................1. HAINES INDEX........5 ..MODERATE. SKY/WEATHER.........CLEAR (0-10 PERCENT CLOUD COVER). MIN TEMPERATURE.....56-58. MAX HUMIDITY........32-35 PERCENT. WINDS - 20-FOOT.....NORTHWEST WINDS 5 TO 10 MPH...SHIFTING TO THE SOUTH SOUTHWEST 4 TO 8 MPH AFTER 2100. .OUTLOOK FOR FRIDAY... LAL.................1. HAINES INDEX........6 ..HIGH. CLEARING INDEX......410. SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER). MAX TEMPERATURE.....82-84. MIN HUMIDITY........13-15 PERCENT. WINDS - 20-FOOT.....NORTHEAST WINDS 5 TO 8 MPH...SHIFTING TO THE NORTH NORTHWEST 5 TO 10 MPH AFTER 1000. FORECASTER...CONGER REQUESTED BY...CODY CUMMINGS REASON FOR REQUEST...WILDFIRE .TAG 20090820.AMOSC.01/SLC $$