Expires:200804021300;;321956 FPUS55 KFGZ 012247 ZFPFGZ FIRE WEATHER PLANNING FORECAST FOR NORTHERN ARIZONA NATIONAL WEATHER SERVICE FLAGSTAFF AZ 300 PM MST TUE APR 1 2008 +++ THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS +++ +++ 20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY TERRAIN DRIVEN WINDS +++ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ .DISCUSSION...AN APPROACHING LOW PRESSURE SYSTEM WILL BRING AFTERNOON SOUTHWEST WINDS OF 15 TO 25 MPH WITH STRONGER GUSTS ON WEDNESDAY. MINIMUM RH VALUES FROM THE MOGOLLON RIM SOUTH AND WEST WILL GENERALLY BE HIGHER THAN ON TUESDAY WITH COOLER TEMPERATURES. HOWEVER...THE LITTLE COLORADO RIVER VALLEY CAN EXPECT RH VALUES TO DROP BELOW 15 PERCENT FOR AN HOUR OR TWO WEDNESDAY AFTERNOON. FOR THURSDAY...THE WEAK LOW PRESSURE SYSTEM WILL MOVE ACROSS ARIZONA AND BRING INCREASING MOISTURE AND WEAKER WINDS. A GENERAL NORTHWEST FLOW WILL SET UP ACROSS NORTHERN ARIZONA OVER THE WEEKEND WITH LOWER RELATIVE HUMIDITY VALUES BUT DAYTIME WINDS OF ONLY 10 TO 20 MPH. STRONG WINDS IN THE MIXING LEVEL WILL PROVIDE VERY GOOD TO EXCELLENT VENTILATION ON WEDNESDAY AFTERNOON. AZZ117-021300- WHITE MOUNTAINS (FIRE WEATHER ZONE 117)- INCLUDING THE CITIES OF...SHOW LOW...GREER...PINETOP 300 PM MST TUE APR 1 2008 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....AROUND 32 BELOW 7000 FEET...23-29 ABOVE 7000 FEET. 24 HR TREND......LITTLE CHANGE. MAX HUMIDITY........36-56 PCT BELOW 7000 FEET...46-66 PCT ABOVE 7000 FEET. 24 HR TREND......UP 3 PCT. WINDS (20 FT).......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. 10000 FT MSL WIND...SOUTHWEST 25 TO 35 MPH. CHANCE OF PRECIP....0 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....59-68 BELOW 7000 FEET...49-63 ABOVE 7000 FEET. 24 HR TREND......DOWN 15 DEGREES. MIN HUMIDITY........11-16 PCT. 24 HR TREND......LITTLE CHANGE. WINDS (20 FT).......SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH. 10000 FT MSL WIND...SOUTHWEST 30 TO 40 MPH. CHANCE OF PRECIP....0 PERCENT. LAL.................1. HAINES INDEX........4 LOW. MIXING HEIGHT.......7700 FT AGL. TRANSPORT WINDS.....SOUTHWEST AROUND 20 KNOTS. VENTILATION.........EXCELLENT (168800 KNOT-FT). .WEDNESDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 38 BELOW 7000 FEET...29-35 ABOVE 7000 FEET. 24 HR TREND......UP 6 DEGREES. MAX HUMIDITY........36-56 PCT BELOW 7000 FEET...58-78 PCT ABOVE 7000 FEET. 24 HR TREND......DOWN 4 PCT. WINDS (20 FT).......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 40 MPH. 10000 FT MSL WIND...WEST 20 TO 30 MPH. CHANCE OF PRECIP....20 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS. MAX TEMPERATURE.....54-60 BELOW 7000 FEET...43-56 ABOVE 7000 FEET. 24 HR TREND......UP 7 DEGREES. MIN HUMIDITY........18-23 PCT BELOW 7000 FEET...23-33 PCT ABOVE 7000 FEET. 24 HR TREND......UP 11 PCT. WINDS (20 FT).......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. 10000 FT MSL WIND...WEST 15 TO 25 MPH. CHANCE OF PRECIP....20 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. = $$