Mon May 20 16:44:37 EDT 2024

Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O'odham Nation-Tucson Metropolitan area-TDC-
144 PM MST Mon May 20 2024

.TONIGHT...
* Sky/Weather..............Partly cloudy. 
* Min Temperature..........54 to 64 degs. 
*    24 hr Trend...........Down 3 to 7 degs. 
* Max Humidity.............33 to 43 pct. 
*    24 hr Trend...........Up 11 to 15 pct. 
* Wind (20 ft/10-min avg)..West around 20 mph becoming south around 
  10 mph after midnight. 
* 10000 ft MSL Wind........Southwest 25 to 30 mph. 
* Chance of Precip.........0 pct. 
* LAL......................1. 
* Haines Index.............5 or moderate. 

.TUESDAY...
* Sky/Weather..............Sunny. 
* Max Temperature..........86 to 96 degs. 
*    24 hr Trend...........Little change. 
* Min Humidity.............5 to 10 pct. 
*    24 hr Trend...........Little change. 
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the west 
  in the afternoon. 
* 10000 ft MSL Wind........Southwest 15 to 20 mph. 
* Chance of Precip.........0 pct. 
* LAL......................1. 
* Haines Index.............5 or moderate. 
* Mixing Height............9966 ft agl. 
* Transport Winds..........South 9 knots shifting to the west 15 
  knots in the afternoon. 
* Ventilation Category.....Excellent (149490 knot-ft). 

.TUESDAY NIGHT...
* Sky/Weather..............Clear. 
* Min Temperature..........53 to 63 degs. 
*    24 hr Trend...........Little change. 
* Max Humidity.............22 to 32 pct. 
*    24 hr Trend...........Down 7 to 11 pct. 
* Wind (20 ft/10-min avg)..West around 10 mph in the evening 
  becoming light. 
* 10000 ft MSL Wind........Southwest 15 to 20 mph. 
* Chance of Precip.........0 pct. 
* LAL......................1. 
* Haines Index.............5 or moderate. 

.WEDNESDAY...
* Sky/Weather..............Sunny. 
* Max Temperature..........86 to 96 degs. 
*    24 hr Trend...........Little change. 
* Min Humidity.............4 to 12 pct. 
*    24 hr Trend...........Little change. 
* Wind (20 ft/10-min avg)..Light winds becoming southwest around 15 
  mph in the afternoon. 
* 10000 ft MSL Wind........Southwest 10 to 15 mph. 
* Chance of Precip.........0 pct. 
* LAL......................1. 
* Haines Index.............5 or moderate. 
* Mixing Height............11803 ft agl. 
* Transport Winds..........Southwest 7 to 14 knots. 
* Ventilation Category.....Excellent (165242 knot-ft). 

.FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
.THURSDAY...Clear. Lows 53 to 63. Highs 86 to 96. South wind
around 15 mph. Minimum Humidity 6 to 16 pct. 
.FRIDAY...Clear. Lows 54 to 64. Highs 86 to 96. South wind around
15 mph. Minimum Humidity 7 to 17 pct. 
.SATURDAY...Clear. Lows 54 to 64. Highs 84 to 94A Red Flag Warning is in effect until 8pm today
for Fire Weather Zone 152 due to dry conditions with min RH's in
the single digits for much of the lower valleys. In addition,
surface winds range up to 25 mph with gusts up to 35 mph. There is
a slight chance of isolated convection up in the White Mountains
this afternoon, bringing the occasional lightning strike. For the
rest of the week, calmer winds return (less than 20 mph) and we
continue to stay dry with temperatures in the low-to-mid 90s for
majority of the area. . Southwest wind around 15 mph. Minimum 
Humidity 10 to 20 pct. 
.SUNDAY...Clear. Lows 52 to 62. Highs 86 to 96. 
.MEMORIAL DAY...Clear. Lows 55 to 65. Highs 90 to 100. 

NOTE TO USERS - ZONE 150 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE TUCSON INTERNATIONAL AIRPORT
LOCATION (2550 MSL)