Expires:200804021300;;321941 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. AZZ108-021300- YAVAPAI COUNTY MOUNTAINS (FIRE WEATHER ZONE 108)- INCLUDING THE CITIES OF...PRESCOTT...SELIGMAN...ASH FORK... CROWN KING 300 PM MST TUE APR 1 2008 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....29-37. 24 HR TREND......UP 5 DEGREES. MAX HUMIDITY........52-72 PCT. 24 HR TREND......DOWN 5 PCT. WINDS (20 FT).......SOUTH WINDS UP TO 10 MPH. GUSTS UP TO 30 MPH. 10000 FT MSL WIND...SOUTHWEST 20 TO 30 MPH. CHANCE OF PRECIP....0 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....59-67. 24 HR TREND......DOWN 4 DEGREES. MIN HUMIDITY........14-19 PCT. 24 HR TREND......UP 6 PCT. WINDS (20 FT).......SOUTH WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 35 MPH IN THE LATE MORNING AND AFTERNOON. 10000 FT MSL WIND...SOUTHWEST 20 TO 30 MPH. CHANCE OF PRECIP....10 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. MIXING HEIGHT.......7700 FT AGL. TRANSPORT WINDS.....SOUTHWEST AROUND 20 KNOTS. VENTILATION.........EXCELLENT (154500 KNOT-FT). .WEDNESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING...A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....34-42. 24 HR TREND......UP 5 DEGREES. MAX HUMIDITY........58-78 PCT. 24 HR TREND......LITTLE CHANGE. WINDS (20 FT).......SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. 10000 FT MSL WIND...WEST 20 TO 30 MPH. CHANCE OF PRECIP....30 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE MORNING. MAX TEMPERATURE.....55-63. 24 HR TREND......LITTLE CHANGE. MIN HUMIDITY........20-25 PCT. 24 HR TREND......UP 10 PCT. WINDS (20 FT).......LIGHT WINDS BECOMING WEST AROUND 10 MPH WITH HIGHER GUSTS IN THE LATE MORNING AND AFTERNOON. 10000 FT MSL WIND...NORTHWEST 15 TO 25 MPH. CHANCE OF PRECIP....10 PERCENT. LAL.................1. HAINES INDEX........3 VERY LOW. = $$