Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Tucson, AZ

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000
FNUS55 KTWC 172130
FWFTWC

Fire Weather Planning Forecast for Southeast Arizona
National Weather Service Tucson AZ
230 PM MST Sat Apr 17 2021

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    20-FOOT WIND FORECAST OF `LIGHT WINDS` INDICATES MAINLY
    TERRAIN DRIVEN WINDS
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

.DISCUSSION...A weather system will squeak by to our north,
bringing a chance for precipitation mainly east of Tucson tomorrow
afternoon and evening. This includes a slight chance for a few
lightning strikes mostly confined to the White Mountains. Dry
conditions return on Monday continuing through the rest of the
period. After several days of benign seasonal winds, breezy
conditions arrive during the afternoon on Wednesday/Thursday.
Minimum RH values will be in the single digits, suggesting that
isolated areas may approach critical thresholds.

AZZ150-181415-
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
230 PM MST Sat Apr 17 2021

.TONIGHT...
* Sky/Weather..............Mostly clear.
* Min Temperature..........47 to 57 degs.
*    24 hr Trend...........Little change.
* Max Humidity.............21 to 31 pct.
*    24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Northwest around 10 mph.
* 10000 ft MSL Wind........West 15 to 20 mph.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............4 or low.

.SUNDAY...
* Sky/Weather..............Mostly sunny then becoming partly
  cloudy.
* Max Temperature..........75 to 85 degs.
*    24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............7 to 12 pct.
*    24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..South around 10 mph shifting to the
  northwest in the afternoon.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............4 or low.
* Mixing Height............16133 ft agl.
* Transport Winds..........West 9 to 13 knots.
* Ventilation Category.....Excellent (209729 knot-ft).

.SUNDAY NIGHT...
* Sky/Weather..............Partly cloudy.
* Min Temperature..........48 to 58 degs.
*    24 hr Trend...........Little change.
* Max Humidity.............37 to 47 pct.
*    24 hr Trend...........Up 17 to 21 pct.
* Wind (20 ft/10-min avg)..North around 10 mph shifting to the
  northeast after midnight.
* 10000 ft MSL Wind........Northwest around 10 mph shifting to the
  north after midnight.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............5 or moderate.

.MONDAY...
* Sky/Weather..............Sunny.
* Max Temperature..........79 to 89 degs.
*    24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............7 to 14 pct.
*    24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..Northeast around 10 mph shifting to the
  north in the afternoon.
* 10000 ft MSL Wind........Northeast around 15 mph becoming north
  around 5 mph in the afternoon.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............4 or low.
* Mixing Height............9918 ft agl.
* Transport Winds..........Northeast 9 knots shifting to the north
  8 knots in the afternoon.
* Ventilation Category.....Very good (79344 knot-ft).

.FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
.TUESDAY...Clear. Lows 50 to 60. Highs 84 to 94. Southwest wind
around 15 mph. Minimum Humidity 4 to 9 pct.
.WEDNESDAY...Clear. Lows 52 to 62. Highs 83 to 93. South wind
around 20 mph. Minimum Humidity 4 to 12 pct.
.THURSDAY...Clear. Lows 49 to 59. Highs 78 to 88. Southwest wind
around 20 mph. Minimum Humidity 8 to 18 pct.
.FRIDAY...Clear. Lows 48 to 58. Highs 81 to 91.
.SATURDAY...Mostly clear. Lows 51 to 61. Highs 87 to 97.

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

$$

AZZ151-181415-
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-
230 PM MST Sat Apr 17 2021

.TONIGHT...
* Sky/Weather..............Clear.
* Min Temperature..........40 to 50 degs.
*    24 hr Trend...........Little change.
* Max Humidity.............29 to 39 pct.
*    24 hr Trend...........Up 9 to 13 pct.
* Wind (20 ft/10-min avg)..Northwest around 15 mph shifting to the
  north after midnight.
* 10000 ft MSL Wind........West 10 to 15 mph.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............4 or low.

.SUNDAY...
* Sky/Weather..............Mostly sunny then becoming partly
  cloudy.
* Max Temperature..........69 to 79 degs.
*    24 hr Trend...........Down 1 to 4 degs.
* Min Humidity.............7 to 16 pct.
*    24 hr Trend...........Up 3 to 6 pct.
* Wind (20 ft/10-min avg)..Southeast around 15 mph shifting to the
  southwest in the afternoon.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Chance of Precip.........10 pct.
* LAL......................1.
* Haines Index.............5 or moderate.
* Mixing Height............14651 ft agl.
* Transport Winds..........Southeast 9 knots shifting to the
  southwest 18 knots in the afternoon.
* Ventilation Category.....Excellent (263718 knot-ft).

.SUNDAY NIGHT...
* Sky/Weather..............Partly cloudy.
* Min Temperature..........41 to 51 degs.
*    24 hr Trend...........Little change.
* Max Humidity.............54 to 64 pct.
*    24 hr Trend...........Up 22 to 26 pct.
* Wind (20 ft/10-min avg)..Northwest around 15 mph shifting to the
  east after midnight.
* 10000 ft MSL Wind........West around 10 mph shifting to the
  northeast after midnight.
* Chance of Precip.........10 pct.
* LAL......................1.
* Haines Index.............5 or moderate.

.MONDAY...
* Sky/Weather..............Mostly sunny.
* Max Temperature..........71 to 81 degs.
*    24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............9 to 17 pct.
*    24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..East around 15 mph shifting to the north
  in the afternoon.
* 10000 ft MSL Wind........North 5 to 10 mph.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............3 or very low.
* Mixing Height............10019 ft agl.
* Transport Winds..........East 10 knots shifting to the north 9
  knots in the afternoon.
* Ventilation Category.....Very good (90171 knot-ft).

.FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
.TUESDAY...Clear. Lows 44 to 54. Highs 77 to 87. Light winds.
Minimum Humidity 5 to 8 pct.
.WEDNESDAY...Clear. Lows 44 to 54. Highs 77 to 87. Southwest wind
around 20 mph. Minimum Humidity 4 to 9 pct.
.THURSDAY...Clear. Lows 44 to 54. Highs 73 to 83. Southwest wind
around 20 mph. Minimum Humidity 6 to 11 pct.
.FRIDAY...Clear. Lows 42 to 52. Highs 74 to 84.
.SATURDAY...Clear. Lows 45 to 55. 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)

$$

AZZ152-181415-
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-
230 PM MST Sat Apr 17 2021

.TONIGHT...
* Sky/Weather..............Mostly clear.
* Min Temperature..........38 to 48 degs.
*    24 hr Trend...........Down 1 to 4 degs.
* Max Humidity.............46 to 56 pct.
*    24 hr Trend...........Up 22 to 26 pct.
* Wind (20 ft/10-min avg)..Northwest around 15 mph shifting to the
  northeast after midnight.
* 10000 ft MSL Wind........West around 20 mph decreasing to around
  10 mph after midnight.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............6 or high.

.SUNDAY...
* Sky/Weather..............Mostly sunny then becoming partly
  cloudy. Slight chance of showers.
* Max Temperature..........66 to 76 degs.
*    24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............14 to 24 pct.
*    24 hr Trend...........Up 6 to 10 pct.
* Wind (20 ft/10-min avg)..Southeast 15 to 20 mph.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Chance of Precip.........20 pct.
* LAL......................1.
* Haines Index.............5 or moderate.
* Mixing Height............11282 ft agl.
* Transport Winds..........East 19 knots shifting to the south 15
  knots in the afternoon.
* Ventilation Category.....Excellent (169230 knot-ft).

.SUNDAY NIGHT...
* Sky/Weather..............Mostly cloudy then becoming partly
  cloudy. Slight chance of showers.
* Min Temperature..........40 to 50 degs.
*    24 hr Trend...........Up 1 to 4 degs.
* Max Humidity.............63 to 73 pct.
*    24 hr Trend...........Up 16 to 20 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........Southwest around 10 mph shifting to the
  east after midnight.
* Chance of Precip.........30 pct.
* LAL......................1.
* Haines Index.............5 or moderate.

.MONDAY...
* Sky/Weather..............Mostly sunny.
* Max Temperature..........69 to 79 degs.
*    24 hr Trend...........Up 2 to 5 degs.
* Min Humidity.............11 to 21 pct.
*    24 hr Trend...........Down 1 to 4 pct.
* Wind (20 ft/10-min avg)..East around 15 mph shifting to the
  northwest in the afternoon.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
* Chance of Precip.........10 pct.
* LAL......................1.
* Haines Index.............3 or very low.
* Mixing Height............9450 ft agl.
* Transport Winds..........East 11 knots shifting to the northwest
  12 knots in the afternoon.
* Ventilation Category.....Excellent (113400 knot-ft).

.FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
.TUESDAY...Clear. Lows 42 to 52. Highs 75 to 85. West wind around
15 mph. Minimum Humidity 5 to 9 pct.
.WEDNESDAY...Mostly clear. Lows 44 to 54. Highs 77 to 87.
Southwest wind around 20 mph. Minimum Humidity 4 to 9 pct.
.THURSDAY...Mostly clear. Lows 43 to 53. Highs 73 to 83.
Southwest wind around 20 mph. Minimum Humidity 7 to 11 pct.
.FRIDAY...Clear. Lows 42 to 52. Highs 73 to 83.
.SATURDAY...Clear. Lows 44 to 54. Highs 79 to 89.

NOTE TO USERS - ZONE 152 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE CHIRICAHUA N.M. LOCATION (5400 MSL)

$$

AZZ153-181415-
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-
230 PM MST Sat Apr 17 2021

.TONIGHT...
* Sky/Weather..............Partly cloudy.
* Min Temperature..........32 to 42 degs.
*    24 hr Trend...........Little change.
* Max Humidity.............58 to 68 pct.
*    24 hr Trend...........Up 36 to 40 pct.
* Wind (20 ft/10-min avg)..Northwest around 10 mph shifting to the
  northeast after midnight.
* 10000 ft MSL Wind........West around 20 mph decreasing to around
  5 mph after midnight.
* Chance of Precip.........10 pct.
* LAL......................1.
* Haines Index.............5 or moderate.

.SUNDAY...
* Sky/Weather..............Partly cloudy. Chance of showers and
  slight chance of thunderstorms.
* Max Temperature..........54 to 64 degs.
*    24 hr Trend...........Down 3 to 6 degs.
* Min Humidity.............24 to 34 pct.
*    24 hr Trend...........Up 14 to 18 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........South 10 to 15 mph.
* Chance of Precip.........50 pct.
* LAL......................3.
* Haines Index.............4 or low.
* Mixing Height............11346 ft agl.
* Transport Winds..........South 15 to 16 knots.
* Ventilation Category.....Excellent (181536 knot-ft).

.SUNDAY NIGHT...
* Sky/Weather..............Mostly cloudy then becoming partly
  cloudy. Chance of showers.
* Min Temperature..........33 to 43 degs.
*    24 hr Trend...........Little change.
* Max Humidity.............65 to 75 pct.
*    24 hr Trend...........Up 4 to 8 pct.
* Wind (20 ft/10-min avg)..Northeast around 10 mph.
* 10000 ft MSL Wind........South around 10 mph shifting to the
  northeast after midnight.
* Chance of Precip.........30 pct.
* LAL......................1.
* Haines Index.............3 or very low.

.MONDAY...
* Sky/Weather..............Mostly sunny. Slight chance of showers.
* Max Temperature..........60 to 70 degs.
*    24 hr Trend...........Up 4 to 8 degs.
* Min Humidity.............13 to 22 pct.
*    24 hr Trend...........Down 9 to 13 pct.
* Wind (20 ft/10-min avg)..East around 10 mph shifting to the west
  in the afternoon.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
* Chance of Precip.........20 pct.
* LAL......................1.
* Haines Index.............5 or moderate.
* Mixing Height............9695 ft agl.
* Transport Winds..........Northeast 6 knots increasing to
  northwest 18 knots in the afternoon.
* Ventilation Category.....Excellent (174510 knot-ft).

.FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
.TUESDAY...Clear. Lows 37 to 47. Highs 64 to 74. West wind around
15 mph. Minimum Humidity 7 to 13 pct.
.WEDNESDAY...Mostly clear. Lows 39 to 49. Highs 65 to 75.
Southwest wind around 15 mph. Minimum Humidity 6 to 11 pct.
.THURSDAY...Clear. Lows 38 to 48. Highs 62 to 72. West wind
around 20 mph. Minimum Humidity 7 to 14 pct.
.FRIDAY...Clear. Lows 36 to 46. Highs 64 to 74.
.SATURDAY...Mostly clear. Lows 38 to 48. Highs 69 to 79.

NOTE TO USERS - ZONE 153 VENTILATION CATEGORY...MIXING HEIGHT AND
TRANSPORT WINDS ARE BASED ON THE POINT OF PINES LOCATION (6040 MSL)

$$

AZZ154-181415-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
230 PM MST Sat Apr 17 2021

.TONIGHT...
* Sky/Weather..............Mostly clear.
* Min Temperature..........36 to 46 degs.
*    24 hr Trend...........Down 3 to 6 degs.
* Max Humidity.............40 to 50 pct.
*    24 hr Trend...........Up 18 to 22 pct.
* Wind (20 ft/10-min avg)..Northwest around 15 mph shifting to the
  north after midnight.
* 10000 ft MSL Wind........West around 20 mph decreasing to around
  10 mph after midnight.
* Chance of Precip.........0 pct.
* LAL......................1.
* Haines Index.............6 or high.

.SUNDAY...
* Sky/Weather..............Mostly sunny then becoming partly
  cloudy.
* Max Temperature..........57 to 67 degs.
*    24 hr Trend...........Down 2 to 5 degs.
* Min Humidity.............16 to 26 pct.
*    24 hr Trend...........Up 8 to 12 pct.
* Wind (20 ft/10-min avg)..Southeast 10 to 15 mph.
* 10000 ft MSL Wind........Southwest 10 to 15 mph.
* Chance of Precip.........10 pct.
* LAL......................1.
* Haines Index.............5 or moderate.
* Mixing Height............16280 ft agl.
* Transport Winds..........Southeast 12 knots shifting to the
  southwest 16 knots in the afternoon.
* Ventilation Category.....Excellent (260480 knot-ft).

.SUNDAY NIGHT...
* Sky/Weather..............Mostly cloudy then becoming partly
  cloudy. Slight chance of showers.
* Min Temperature..........37 to 47 degs.
*    24 hr Trend...........Little change.
* Max Humidity.............60 to 70 pct.
*    24 hr Trend...........Up 19 to 23 pct.
* Wind (20 ft/10-min avg)..East 10 to 15 mph.
* 10000 ft MSL Wind........West around 10 mph shifting to the east
  after midnight.
* Chance of Precip.........20 pct.
* LAL......................1.
* Haines Index.............5 or moderate.

.MONDAY...
* Sky/Weather..............Mostly sunny.
* Max Temperature..........60 to 70 degs.
*    24 hr Trend...........Up 1 to 4 degs.
* Min Humidity.............14 to 24 pct.
*    24 hr Trend...........Little change.
* Wind (20 ft/10-min avg)..East around 15 mph shifting to the north
  in the afternoon.
* 10000 ft MSL Wind........Northwest 5 to 10 mph.
* Chance of Precip.........10 pct.
* LAL......................1.
* Haines Index.............3 or very low.
* Mixing Height............10772 ft agl.
* Transport Winds..........Northeast 11 knots shifting to the
  northwest in the afternoon.
* Ventilation Category.....Excellent (118492 knot-ft).

.FORECAST DAYS 3 THROUGH 7...
WINDS IN DAYS 3 THROUGH 5 ARE SURFACE 20 FT/10-MIN AVG
.TUESDAY...Clear. Lows 41 to 51. Highs 66 to 76. Light winds.
Minimum Humidity 6 to 12 pct.
.WEDNESDAY...Clear. Lows 42 to 52. Highs 67 to 77. Southwest wind
around 20 mph. Minimum Humidity 5 to 12 pct.
.THURSDAY...Mostly clear. Lows 41 to 51. Highs 63 to 73.
Southwest wind around 25 mph. Minimum Humidity 7 to 14 pct.
.FRIDAY...Clear. Lows 39 to 49. Highs 63 to 73.
.SATURDAY...Clear. Lows 42 to 52. 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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