FNUS75 KSLC 080044 FWSSLC SPOT FORECAST FOR ZION CANYON GRASS NATIONAL WEATHER SERVICE SALT LAKE CITY UT 544 PM MST MON FEB 7 2011 .DISCUSSION...A COLD FRONT WILL CROSS THE AREA LATE TONIGHT...WHICH WILL BRING A GOOD CHANCE OF RAIN AND SNOW SHOWERS LATE TONIGHT INTO EARLY TOMORROW MORNING. NO SNOW ACCUMULATION IS EXPECTED. GUSTY NORTH WINDS WILL ACCOMPANY THIS FRONT...AND WINDS WILL REMAIN BREEZY THROUGH THE DAY TUESDAY. THESE WINDS WILL ALLOW FOR EXCELLENT MIXING. BY WEDNESDAY WINDS ARE EXPECTED TO SUBSIDE LIMITING VENTILATION. .TONIGHT... LAL.................1. HAINES INDEX........3 ..VERY LOW. SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER) UNTIL 2200...THEN MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER). RAIN LIKELY AFTER 0300. MIN TEMPERATURE.....NEAR 30. MAX HUMIDITY........85-88 PERCENT. WINDS - 20-FOOT.....SOUTH 10-15 MPH SWITCHING TO THE NORTH 20-30 MPH WITH GUSTS TO 45 MPH LATE. .TUESDAY... LAL.................1. HAINES INDEX........2 ..VERY LOW. CLEARING INDEX......1000+. SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT CLOUD COVER) UNTIL 1000...THEN PARTLY CLOUDY (60-70 PERCENT CLOUD COVER). A CHANCE OF RAIN UNTIL 0900. MAX TEMPERATURE.....51-54. MIN HUMIDITY........27-30 PERCENT. WINDS - 20-FOOT.....NORTH-NORTHEAST 15-25 WITH GUSTS TO 35 MPH. .OUTLOOK FOR WEDNESDAY... LAL.................1. HAINES INDEX........3 ..VERY LOW. CLEARING INDEX......450. SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER). MAX TEMPERATURE.....51-54. MIN HUMIDITY........25-27 PERCENT. WINDS - 20-FOOT.....NORTHEAST 10-15 MPH BECOMING SOUTH/UPSLOPE 5-10 MPH AFTER 1000. FORECASTER...SEAMAN REQUESTED BY...JAMES COURTRIGHT REASON FOR REQUEST...PRESCRIBED .TAG 20110208.ZIONC.01/SLC $$