FNUS76 KSTO 211057 FWSSTO SPOT FORECAST FOR ORD LEVEES RX...U.S. FISH & WILDLIFE SERVICE NATIONAL WEATHER SERVICE SACRAMENTO CA 357 AM PDT THU JUL 21 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON JULY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... EXPECT TERRAIN DRIVEN WINDS WITH NORTHERLY IN THE MORNING THEN SHIFTING FROM THE SOUTH IN THE AFTERNOON. WEAK PRESSURE PATTERN WILL KEEP WINDS LIGHT. .TODAY... SKY/WEATHER.........SUNNY. TEMPERATURE.........83-86 AT IGNITION 95-98 AFTERNOON MAX. RH..................30-35 PERCENT AT IGNITION. 17-20 PERCENT AFTERNOON MIN. WIND (20 FT)........ SLOPE/VALLEY.....NORTH AT 3 MPH AT IGNITION. THEN SHIFTING SOUTH 3 TO 5 MPH AROUND 1200. CWR.................0 PERCENT. LAL.................1. MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 8000 FT AGL. MIXING WINDS........NORTH 3 TO 6 MPH IN THE MORNING BECOMING LIGHT AND VARIABLE. .TONIGHT... SKY/WEATHER.........CLEAR. TEMPERATURE.........60-64. RH..................75-80 PERCENT. WIND (20 FT)........ SLOPE/VALLEY.....SOUTH AT 3 MPH BECOMING NORTH 4 TO 7 MPH AFTER MIDNIGHT. CWR.................0 PERCENT. LAL.................1. MIXING HEIGHT.......8000 FT AGL DECREASING TO LESS THAN 500 FT AGL. MIXING WINDS........LIGHT AND VARIABLE BECOMING NORTHWEST 4 TO 7 MPH AFTER MIDNIGHT. .FRIDAY... SKY/WEATHER.........SUNNY. TEMPERATURE.........94-98. RH..................20-25 PERCENT. WIND (20 FT)........ SLOPE/VALLEY.....NORTH WINDS 5 TO 9 MPH IN THE MORNING BECOMING LIGHT. THEN BECOMING SOUTHEAST 2 TO 5 MPH MID AFTERNOON. CWR.................0 PERCENT. LAL.................1. MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 9500-10000 FT AGL. MIXING WINDS........NORTH 5 TO 8 MPH SHIFTING TO THE SOUTHWEST 5 MPH EARLY IN THE AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. FORECASTER...JCLAPP REQUESTED BY...KIPP MORRILL REASON FOR REQUEST...PRESCRIBED .TAG 20110721.ORDLE.01/STO $$