FNUS74 KEPZ 191421 FWSEPZ FIRE WEATHER PLANNING FORECAST FOR PARK...GNF NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM 821 AM MDT WED AUG 19 2009 FORECAST IS BASED ON REQUEST TIME OF 0758 MDT ON AUGUST 19. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE ALOFT BUILDING OVER THE WESTERN U.S. WILL BRING HOT AND MOSTLY DRY WEATHER THE NEXT FEW DAYS. HOWEVER...DAYTIME HEATING WILL TRIGGER ISOLATED SHOWERS AND THUNDERSTORMS EACH AFTERNOON OVER AREA MOUNTAINS. AN UPPER LEVEL TROUGH AND SURFACE FRONT WILL MOVE IN FROM THE NORTH FRIDAY AND STALL OUT ALONG THE SOUTHERN BORDER. THIS WILL LIKELY BRING AN INCREASE IN SHOWER AND THUNDERSTORM ACTIVITY FRIDAY THROUGH THE WEEKEND...ESPECIALLY IN THE GILA AND ACROSS SOUTHERN PORTIONS OF THE AREA. HUMIDITY IN THE LOW TO MID TEENS TODAY AND THURSDAY THEN INCREASING TO THE UPPER TEENS AND TWENTIES FOR FRIDAY INTO THE WEEKEND. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE FOR AFTERNOON THUNDERSTORMS. CWR.................10 PERCENT. MAX TEMPERATURE.....81-86. MIN HUMIDITY........11-16 PERCENT. WIND (20 FT)........LIGHT BECOMING NORTHWEST 5 TO 9 MPH. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (30-40 PERCENT). CWR.................0 PERCENT. MIN TEMPERATURE.....49-54. MAX HUMIDITY........57-62 PERCENT. WIND (20 FT)........NORTHWEST 5 TO 9 MPH BECOMING LIGHT AFTER MIDNIGHT. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE FOR AFTERNOON THUNDERSTORMS. CWR.................10 PERCENT. MAX TEMPERATURE.....82-87. MIN HUMIDITY........10-15 PERCENT. WIND (20 FT)........NORTHWEST 3 TO 7 MPH SHIFTING TO THE EAST IN THE AFTERNOON. $$ FORECASTER...PARK REQUESTED BY...DAYMON BUSH REASON FOR REQUEST...WILDFIRE .TAG 20090819.PARK_.01/EPZ