FNUS55 KTWC 152157
 FWFTWC
 
 FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA
 NATIONAL WEATHER SERVICE TUCSON AZ
 300 PM MST WED FEB 15 2012
 
 .DISCUSSION...DRY AND COOL TONIGHT. ANOTHER STORM SYSTEM WILL IMPACT 
 THE AREA BY LATER THURSDAY AND THURSDAY NIGHT. THIS ONE LOOKS LIKE 
 IT WILL TRACK FURTHER SOUTH...CLOSER TO THE INTERNATIONAL BORDER. 
 ANOTHER CHANCE OF SHOWERS MAINLY THURSDAY NIGHT INTO FRIDAY MORNING 
 WITH BREEZY CONDITIONS. DRY AND WARMER TO START THE WEEKEND...BUT 
 SUNDAY COULD SEE A FEW MOUNTAIN SHOWERS AND END UP BEING QUITE WINDY.
 

 AZZ147-161415-
 ARIZONA FIRE WEATHER ZONE 147
 SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
 TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
 300 PM MST WED FEB 15 2012
 
 .TONIGHT...
 SKY/WEATHER..............PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS 
                          LATE. 
 MIN TEMPERATURE..........32 TO 42 DEGS. 
    24 HR TREND...........UP 2 DEGS. 
 MAX HUMIDITY.............66 TO 76 PCT. 
    24 HR TREND...........DOWN 16 PCT. 
 WIND (20 FT/10-MIN AVG)..DOWNSLOPE/DOWNVALLEY 5 TO 10 MPH. 
 FREE-AIR WIND (10K FT)...SOUTHWEST 10 TO 20 MPH. 
 CHANCE OF PRECIP.........10 PCT. 
 LAL......................1. 
 HAINES INDEX.............3 VERY LOW. 
 
 .THURSDAY...
 SKY/WEATHER..............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. 
                          SLIGHT CHANCE OF THUNDERSTORMS IN THE 
                          AFTERNOON. 
 MAX TEMPERATURE..........55 TO 65 DEGS. 
    24 HR TREND...........LITTLE CHANGE. 
 MIN HUMIDITY.............28 TO 38 PCT. 
    24 HR TREND...........UP 6 PCT. 
 WIND (20 FT/10-MIN AVG)..UPSLOPE/UPVALLEY 5 TO 10 MPH BECOMING 
                          SOUTH AROUND 15 MPH IN THE AFTERNOON. 
 FREE-AIR WIND (10K FT)...SOUTH 15 TO 25 MPH. 
 CHANCE OF PRECIP.........20 PCT. 
 LAL......................2. 
 HAINES INDEX.............2 VERY LOW. 
 MIXING HEIGHT............8835 FT AGL. 
 TRANSPORT WINDS..........SOUTH 17 KNOTS. 
 VENTILATION CATEGORY.....EXCELLENT (203205 KNOT-FT). 
 
 .THURSDAY NIGHT...
 SKY/WEATHER..............MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS 
                          AND THUNDERSTORMS IN THE EVENING...THEN 
                          CHANCE OF SHOWERS AFTER MIDNIGHT. 
 MIN TEMPERATURE..........35 TO 45 DEGS. 
    24 HR TREND...........UP 3 DEGS. 
 MAX HUMIDITY.............73 TO 83 PCT. 
    24 HR TREND...........UP 7 PCT. 
 WIND (20 FT/10-MIN AVG)..DOWNSLOPE/DOWNVALLEY 5 TO 10 MPH. 
 FREE-AIR WIND (10K FT)...SOUTH 10 TO 20 MPH. 
 CHANCE OF PRECIP.........30 PCT. 
 LAL......................2. 
 HAINES INDEX.............2 VERY LOW. 
 
 .FRIDAY...
 SKY/WEATHER..............PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. 
 MAX TEMPERATURE..........58 TO 68 DEGS. 
    24 HR TREND...........UP 3 DEGS. 
 MIN HUMIDITY.............31 TO 41 PCT. 
    24 HR TREND...........UP 3 PCT. 
 WIND (20 FT/10-MIN AVG)..UPSLOPE/UPVALLEY 5 TO 10 MPH. 
 FREE-AIR WIND (10K FT)...NORTHWEST 10 TO 20 MPH. 
 CHANCE OF PRECIP.........10 PCT. 
 LAL......................1. 
 HAINES INDEX.............3 VERY LOW. 
 MIXING HEIGHT............8226 FT AGL. 
 TRANSPORT WINDS..........NORTHWEST 11 KNOTS. 
 VENTILATION CATEGORY.....VERY GOOD (74034 KNOT-FT). 
 
 .FORECAST DAYS 3 THROUGH 7...
 WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
 .SATURDAY...MOSTLY CLEAR. LOWS 36 TO 46. HIGHS 58 TO 68. NO
 SIGNIFICANT WIND OVER 15 MPH. MINIMUM HUMIDITY 26 TO 36 PCT. 
 .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 37 TO 47. 
 HIGHS 60 TO 70. WEST WIND AROUND 20 MPH. MINIMUM HUMIDITY 17 TO 27 
 PCT. 
 .WASHINGTONS BIRTHDAY...PARTLY CLOUDY. LOWS 35 TO 45. HIGHS 59 TO 
 69. WEST WIND AROUND 15 MPH. MINIMUM HUMIDITY 14 TO 24 PCT. 
 .TUESDAY...PARTLY CLOUDY. LOWS 34 TO 44. HIGHS 58 TO 68. 
 .WEDNESDAY...PARTLY CLOUDY. LOWS 36 TO 46. HIGHS 59 TO 69. 
 
 NOTE TO USERS - ZONE 147 VENTILATION CATEGORY...MIXING HEIGHT AND
 TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION
 (3500 MSL)
 

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