FNUS74 KEPZ 211541 FWSEPZ FIRE WEATHER PLANNING FORECAST FOR ALLIE...NM-SDC NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM 941 AM MDT FRI AUG 21 2009 FORECAST IS BASED ON INCIDENT TIME OF 0926 MDT ON AUGUST 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE ALOFT OVER THE WESTERN U.S. WILL SLOWLY DRIFT EASTWARD TO EASTERN NMEX AND WEST TEXAS BY SUNDAY. ISOLATED THUNDERSTORM ACTIVITY WILL CONTINUE ALTHOUGH SOMEWHAT INHIBITED AND BE MORE NUMEROUS OVER THE HIGHER TERRAIN. AS THE UPPER RIDGE POSITIONS ITSELF MORE EAST... CHANCES FOR CONVECTION WILL BE GREATER WEST OF THE CONTINENTAL DIVIDE THIS WEEKEND. A WEAK AND SHALLOW BACKDOOR COOL FRONT PUSHED IN FROM EASTERN NMEX LAST NIGHT TO ABOUT THE CONTINENTAL DIVIDE THIS MORNING WITH HIGH TEMPERATURES STILL ABOVE NORMAL...BUT A FEW DEGREES COOLER THAN THE PAST COUPLE OF DAYS. MINIMUM HUMIDITY VALUES WILL GENERALLY BE IN THE 20S TODAY AND SATURDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (20-40 PERCENT) THEN BECOMING PARTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. CWR.................20 PERCENT. MAX TEMPERATURE.....75-80. MIN HUMIDITY........26-31 PERCENT. WIND (20 FT)........SOUTHEAST 2 TO 7 MPH MORNING THEN 5-10 MPH AFTN. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING. CWR.................20 PERCENT DECREASING TO 5-10 PERCENT AFTER MIDNIGHT. MIN TEMPERATURE.....48-53. MAX HUMIDITY........69-74 PERCENT. WIND (20 FT)........SOUTHEAST 5 TO 10 MPH. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT). ISOLATED MAINLY AFTN/EVENING SHOWERS AND THUNDERSTORMS. CWR.................20 TO 25 PERCENT. MAX TEMPERATURE.....77-82. MIN HUMIDITY........26-31 PERCENT. WIND (20 FT)........EAST 5 TO 9 MPH SHIFTING TO THE SOUTH 10 TO 15 MPH IN THE AFTERNOON. $$ FORECASTER...NOVLAN REQUESTED BY...IC REASON FOR REQUEST...WFU .TAG 20090821.ALLIE.01/EPZ