FNUS74 KEPZ 220008 FWSEPZ FIRE WEATHER PLANNING FORECAST FOR DRIPPING SPRINGS...BLM NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM 508 PM MST WED JAN 21 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON JANUARY 22. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... LOW PRESSURE TROUGH APPROACHING FROM THE WEST...WILL BRING INCREASING 20 FOOT WINDS AND CLOUDS THURSDAY WITH CHANCES FOR SHOWERS IN THE AFTERNOON. VENTILATION RATES WILL INCREASE FROM WEDNESDAY AS WINDS STRENGTHEN AHEAD OF THIS DISTURBANCE. DUE TO PROXIMITY OF BURN SITE TO MOUNTAIN-SIDE...LOCAL ACCELERATION OF 20-FOOT WINDS IS LIKELY. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF RAIN BY LATE MORNING. CWR.................20 PERCENT. MAX TEMPERATURE.....60-65. MIN HUMIDITY........15-20 PERCENT. WIND (20 FT)........SOUTHWEST 10 TO 15 MPH IN THE MORNING...INCREASING AND BECOMING WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS AS HIGH AS 35 MPH BY EARLY AFTERNOON. MIXING HEIGHT.......AROUND 200 FEET IN THE MORNING...INCREASING TO AROUND 3500 FEET IN THE AFTERNOON. TRANSPORT WINS......SOUTHWEST 5 KNOTS IN THE MORNING...INCREASING SOUTHWEST TO 20 KNOTS IN THE AFTERNOON. VENTILATION RATE....AROUND 1000 KT-FT (POOR) IN THE MORNING...IMPROVING TO AS MUCH AS 70000 KT-FT (GOOD) IN THE AFTERNOON. $$ FORECASTER...TRIPOLI REQUESTED BY...RYAN WHITEAKER REASON FOR REQUEST...PRESCRIBED .TAG 20090122.DRIPP.01/EPZ