752  
FNUS55 KTWC 171031  
FWFTWC  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST ARIZONA  
NATIONAL WEATHER SERVICE TUCSON AZ  
331 AM MST WED AUG 17 2022  
 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  
20-FOOT WIND FORECAST OF 'LIGHT WINDS' INDICATES MAINLY  
TERRAIN DRIVEN WINDS  
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++  
   
DISCUSSION
 
MONSOONAL THUNDERSTORM ACTIVITY WILL RAMP UP THROUGH THE  
END OF THE WEEK WITH ROUNDS OF SHOWERS AND THUNDERSTORMS EXPECTED  
EACH DAY. PRIMARY THREATS INCLUDE STRONG WINDS, LIGHTNING, AND  
FLASH FLOODING. OUTSIDE OF THUNDERSTORM ACTIVITY, WIND TRENDS WILL  
REMAIN LIGHT AND FOLLOW TYPICAL DIURNAL TRENDS.  
 
AZZ150-172230-  
ARIZONA FIRE WEATHER ZONE 150  
SONORAN FDRA-MOST OF PIMA COUNTY-SOUTH CENTRAL PINAL COUNTY-  
TOHONO O'ODHAM NATION-TUCSON METROPOLITAN AREA-TDC-  
331 AM MST WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER..............PARTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
* MAX TEMPERATURE..........93 TO 103 DEGS.  
* 24 HR TREND...........LITTLE CHANGE.  
* MIN HUMIDITY.............36 TO 46 PCT.  
* 24 HR TREND...........UP 2 TO 5 PCT.  
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........40 PCT.  
* LAL......................3.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............10072 FT AGL.  
* TRANSPORT WINDS..........SOUTHEAST 7 KNOTS SHIFTING TO THE NORTH  
6 KNOTS IN THE AFTERNOON.  
* VENTILATION CATEGORY.....GOOD (60432 KNOT-FT).  
   
TONIGHT
 
 
* SKY/WEATHER..............PARTLY CLOUDY THEN BECOMING MOSTLY  
CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
* MIN TEMPERATURE..........69 TO 79 DEGS.  
* 24 HR TREND...........LITTLE CHANGE.  
* MAX HUMIDITY.............80 TO 90 PCT.  
* 24 HR TREND...........UP 4 TO 8 PCT.  
* WIND (20 FT/10-MIN AVG)..WEST AROUND 10 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........50 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
   
THURSDAY
 
 
* SKY/WEATHER..............MOSTLY CLOUDY THEN BECOMING PARTLY  
CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
* MAX TEMPERATURE..........87 TO 97 DEGS.  
* 24 HR TREND...........DOWN 3 TO 7 DEGS.  
* MIN HUMIDITY.............47 TO 57 PCT.  
* 24 HR TREND...........UP 7 TO 11 PCT.  
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH SHIFTING TO THE  
SOUTH IN THE AFTERNOON.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........60 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............7402 FT AGL.  
* TRANSPORT WINDS..........NORTHEAST 4 KNOTS SHIFTING TO THE NORTH  
6 KNOTS IN THE AFTERNOON.  
* VENTILATION CATEGORY.....GOOD (44412 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7
 
 
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG   
FRIDAY
 
SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS 69 TO 79.  
HIGHS 83 TO 93. LIGHT WINDS. MINIMUM HUMIDITY 54 TO 64 PCT.    
SATURDAY
 
SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS 66 TO 76.  
HIGHS 79 TO 89. LIGHT WINDS. MINIMUM HUMIDITY 56 TO 66 PCT.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 66 TO 76. HIGHS 83 TO 93. LIGHT WINDS. MINIMUM HUMIDITY  
48 TO 58 PCT.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 67 TO 77. HIGHS 86 TO 96.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 67 TO 77. HIGHS 89 TO 99.  
 
NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND  
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT  
LOCATION (2550 MSL)  
 

 
 
AZZ151-172230-  
ARIZONA FIRE WEATHER ZONE 151  
WESTERN HALF DESERT GRASSLANDS FDRA INCLUDING ELEVATIONS UP TO  
5500 FEET IN SOUTHEAST CORNER OF PINAL COUNTY-  
EXTREME EASTERN PIMA COUNTY-WESTERN THIRD OF COCHISE COUNTY-  
SANTA CRUZ COUNTY-TDC-  
331 AM MST WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER..............PARTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
* MAX TEMPERATURE..........83 TO 93 DEGS.  
* 24 HR TREND...........DOWN 1 TO 4 DEGS.  
* MIN HUMIDITY.............41 TO 51 PCT.  
* 24 HR TREND...........UP 6 TO 10 PCT.  
* WIND (20 FT/10-MIN AVG)..NORTHEAST AROUND 10 MPH.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........60 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............8313 FT AGL.  
* TRANSPORT WINDS..........EAST 9 TO 11 KNOTS.  
* VENTILATION CATEGORY.....VERY GOOD (91443 KNOT-FT).  
   
TONIGHT
 
 
* SKY/WEATHER..............MOSTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
* MIN TEMPERATURE..........62 TO 72 DEGS.  
* 24 HR TREND...........LITTLE CHANGE.  
* MAX HUMIDITY.............85 TO 95 PCT.  
* 24 HR TREND...........UP 3 TO 6 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........50 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
   
THURSDAY
 
 
* SKY/WEATHER..............MOSTLY CLOUDY THEN BECOMING PARTLY  
CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.  
* MAX TEMPERATURE..........78 TO 88 DEGS.  
* 24 HR TREND...........DOWN 3 TO 7 DEGS.  
* MIN HUMIDITY.............53 TO 63 PCT.  
* 24 HR TREND...........UP 10 TO 14 PCT.  
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH.  
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........70 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............5377 FT AGL.  
* TRANSPORT WINDS..........EAST 8 TO 9 KNOTS.  
* VENTILATION CATEGORY.....GOOD (48393 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7
 
 
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG   
FRIDAY
 
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS 61 TO 71. HIGHS  
75 TO 85. LIGHT WINDS. MINIMUM HUMIDITY 61 TO 71 PCT.    
SATURDAY
 
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS 60 TO 70.  
HIGHS 72 TO 82. LIGHT WINDS. MINIMUM HUMIDITY 67 TO 77 PCT.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 59 TO 69. HIGHS 75 TO 85. LIGHT WINDS. MINIMUM HUMIDITY  
60 TO 70 PCT.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 60 TO 70. HIGHS 79 TO 89.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 60 TO 70. HIGHS 81 TO 91.  
 
NOTE TO USERS - ZONE 151 VENTILATION CATEGORY...MIXING HEIGHT AND  
TRANSPORT WINDS ARE BASED ON THE BUENOS AIRES N.W.R. LOCATION  
(3500 MSL)  
 

 
 
AZZ152-172230-  
ARIZONA FIRE WEATHER ZONE 152  
EASTERN HALF DESERT GRASSLANDS FDRA INCLUDING ELEVATIONS UP TO  
5500 FEET IN SOUTHWEST GRAHAM COUNTY AND EASTERN TWO THIRDS OF  
COCHISE COUNTY-SOUTHERN SAN CARLOS RESERVATION-  
SOUTHERN GREENLEE COUNTY BELOW 5000 FEET-TDC-  
331 AM MST WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER..............PARTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
* MAX TEMPERATURE..........81 TO 91 DEGS.  
* 24 HR TREND...........DOWN 3 TO 7 DEGS.  
* MIN HUMIDITY.............43 TO 53 PCT.  
* 24 HR TREND...........UP 14 TO 18 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........60 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............5616 FT AGL.  
* TRANSPORT WINDS..........EAST 13 TO 14 KNOTS.  
* VENTILATION CATEGORY.....VERY GOOD (78624 KNOT-FT).  
   
TONIGHT
 
 
* SKY/WEATHER..............MOSTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
* MIN TEMPERATURE..........61 TO 71 DEGS.  
* 24 HR TREND...........LITTLE CHANGE.  
* MAX HUMIDITY.............83 TO 93 PCT.  
* 24 HR TREND...........UP 3 TO 7 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.  
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........50 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
   
THURSDAY
 
 
* SKY/WEATHER..............MOSTLY CLOUDY THEN BECOMING PARTLY  
CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.  
* MAX TEMPERATURE..........79 TO 89 DEGS.  
* 24 HR TREND...........DOWN 1 TO 4 DEGS.  
* MIN HUMIDITY.............51 TO 61 PCT.  
* 24 HR TREND...........UP 6 TO 10 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH.  
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........70 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............3400 FT AGL.  
* TRANSPORT WINDS..........EAST 11 KNOTS.  
* VENTILATION CATEGORY.....FAIR (37400 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7
 
 
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG   
FRIDAY
 
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS 61 TO 71. HIGHS  
76 TO 86. LIGHT WINDS. MINIMUM HUMIDITY 56 TO 66 PCT.    
SATURDAY
 
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
60 TO 70. HIGHS 72 TO 82. LIGHT WINDS. MINIMUM HUMIDITY 64 TO  
74 PCT.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 59 TO 69. HIGHS 76 TO 86. LIGHT WINDS. MINIMUM HUMIDITY  
56 TO 66 PCT.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 59 TO 69. HIGHS 79 TO 89.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 60 TO 70. HIGHS 80 TO 90.  
 
NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND  
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)  
 

 
 
AZZ153-172230-  
ARIZONA FIRE WEATHER ZONE 153  
NORTHERN GRAHAM COUNTY-NORTHERN GREENLEE COUNTY-  
WHITE AND GILA MOUNTAINS-APACHE SITGREAVES NF-  
SOUTHERN SAN CARLOS RESERVATION ABOVE 5000 FEET-SDC-  
331 AM MST WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER..............PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS  
LIKELY.  
* MAX TEMPERATURE..........74 TO 84 DEGS.  
* 24 HR TREND...........DOWN 1 TO 4 DEGS.  
* MIN HUMIDITY.............45 TO 55 PCT.  
* 24 HR TREND...........UP 4 TO 8 PCT.  
* WIND (20 FT/10-MIN AVG)..LIGHT WINDS BECOMING SOUTHEAST AROUND 10  
MPH IN THE AFTERNOON.  
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.  
* CHANCE OF PRECIP.........70 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............7389 FT AGL.  
* TRANSPORT WINDS..........EAST 8 KNOTS.  
* VENTILATION CATEGORY.....GOOD (59112 KNOT-FT).  
   
TONIGHT
 
 
* SKY/WEATHER..............MOSTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
* MIN TEMPERATURE..........54 TO 64 DEGS.  
* 24 HR TREND...........LITTLE CHANGE.  
* MAX HUMIDITY.............82 TO 92 PCT.  
* 24 HR TREND...........UP 3 TO 7 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH.  
* 10000 FT MSL WIND........NORTHEAST 5 TO 10 MPH.  
* CHANCE OF PRECIP.........50 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
   
THURSDAY
 
 
* SKY/WEATHER..............PARTLY CLOUDY. SHOWERS AND  
THUNDERSTORMS LIKELY.  
* MAX TEMPERATURE..........71 TO 81 DEGS.  
* 24 HR TREND...........DOWN 1 TO 4 DEGS.  
* MIN HUMIDITY.............53 TO 63 PCT.  
* 24 HR TREND...........UP 4 TO 8 PCT.  
* WIND (20 FT/10-MIN AVG)..SOUTHEAST AROUND 10 MPH.  
* 10000 FT MSL WIND........EAST 5 TO 10 MPH.  
* CHANCE OF PRECIP.........70 PCT.  
* LAL......................3.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............5840 FT AGL.  
* TRANSPORT WINDS..........SOUTHEAST 7 TO 9 KNOTS.  
* VENTILATION CATEGORY.....GOOD (52560 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7
 
 
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG   
FRIDAY
 
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS 55 TO 65. HIGHS  
68 TO 78. LIGHT WINDS. MINIMUM HUMIDITY 55 TO 65 PCT.    
SATURDAY
 
SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS 55 TO 65.  
HIGHS 63 TO 73. LIGHT WINDS. MINIMUM HUMIDITY 71 TO 81 PCT.    
SUNDAY
 
THUNDERSTORMS LIKELY AND CHANCE OF SHOWERS. LOWS 54 TO  
64. HIGHS 68 TO 78. LIGHT WINDS. MINIMUM HUMIDITY 58 TO 68 PCT.    
MONDAY
 
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS 53 TO  
63. HIGHS 71 TO 81.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 54 TO 64. HIGHS 71 TO 81.  
 
NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND  
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)  
 

 
 
AZZ154-172230-  
ARIZONA FIRE WEATHER ZONE 154  
FOREST WOODLANDS FDRA INCLUDING THE SKY ISLANDS OF SOUTHEAST  
ARIZONA ABOVE 5500 FEET-CORONADO NF-TDC-  
331 AM MST WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER..............PARTLY CLOUDY. SHOWERS AND  
THUNDERSTORMS LIKELY.  
* MAX TEMPERATURE..........70 TO 80 DEGS.  
* 24 HR TREND...........DOWN 3 TO 7 DEGS.  
* MIN HUMIDITY.............59 TO 69 PCT.  
* 24 HR TREND...........UP 15 TO 19 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST AROUND 10 MPH.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........70 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............9890 FT AGL.  
* TRANSPORT WINDS..........EAST 14 TO 15 KNOTS.  
* VENTILATION CATEGORY.....EXCELLENT (143405 KNOT-FT).  
   
TONIGHT
 
 
* SKY/WEATHER..............MOSTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
* MIN TEMPERATURE..........56 TO 66 DEGS.  
* 24 HR TREND...........LITTLE CHANGE.  
* MAX HUMIDITY.............84 TO 94 PCT.  
* 24 HR TREND...........UP 3 TO 6 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.  
* 10000 FT MSL WIND........NORTHEAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........50 PCT.  
* LAL......................4.  
* HAINES INDEX.............2 OR VERY LOW.  
   
THURSDAY
 
 
* SKY/WEATHER..............MOSTLY CLOUDY. SHOWERS WITH  
THUNDERSTORMS LIKELY.  
* MAX TEMPERATURE..........67 TO 77 DEGS.  
* 24 HR TREND...........DOWN 2 TO 5 DEGS.  
* MIN HUMIDITY.............67 TO 77 PCT.  
* 24 HR TREND...........UP 9 TO 13 PCT.  
* WIND (20 FT/10-MIN AVG)..EAST 10 TO 15 MPH.  
* 10000 FT MSL WIND........EAST 10 TO 15 MPH.  
* CHANCE OF PRECIP.........80 PCT.  
* LAL......................5.  
* HAINES INDEX.............2 OR VERY LOW.  
* MIXING HEIGHT............7288 FT AGL.  
* TRANSPORT WINDS..........EAST 9 TO 10 KNOTS.  
* VENTILATION CATEGORY.....GOOD (69236 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7
 
 
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG   
FRIDAY
 
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS 56 TO 66. HIGHS  
64 TO 74. LIGHT WINDS. MINIMUM HUMIDITY 70 TO 80 PCT.    
SATURDAY
 
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS 55 TO 65.  
HIGHS 62 TO 72. LIGHT WINDS. MINIMUM HUMIDITY 75 TO 85 PCT.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS 54 TO 64. HIGHS 65 TO 75. LIGHT WINDS. MINIMUM HUMIDITY  
70 TO 80 PCT.    
MONDAY
 
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS 54 TO  
64. HIGHS 68 TO 78.    
TUESDAY
 
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS 55 TO  
65. HIGHS 70 TO 80.  
 
NOTE TO USERS - ZONE 154 VENTILATION CATEGORY...MIXING HEIGHT AND  
TRANSPORT WINDS ARE BASED ON THE AVERAGE ACROSS THE ZONE  
 

 
 
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