199
FNUS75 KTWC 091217
FWSTWC

Spot Forecast for FINGER RIDGE FIRE...TIFIC
National Weather Service Tucson AZ
517 AM MST Sun Aug 9 2026

Forecast is based on forecast start time of 0500 MST on August 09.

.DISCUSSION...Light winds this morning increasing this afternoon
from the west. Clouds developing this afternoon will bring a chance
of thunderstorms along with erratic wind after 2 pm. Better chance
of wetting rains on Monday.

.TODAY...

Sky/weather.........Mostly sunny in the morning then becoming partly
                    cloudy in the afternoon. Chance of showers and
                    thunderstorms after 2 pm.
Chance of pcpn......30 percent after 2 pm.
Max temperature.....99-102 degrees.
Min humidity........21-24 percent.
20-foot winds.......East winds 4 to 6 mph shifting to the west 5 to
                    10 mph with gusts to around 22 mph in the
                    afternoon. Gusty and erratic winds expected near
                    thunderstorms late in the afternoon.
Smoke dispersal.....Poor (2000 knot-ft) in the morning increasing
                    to good (52400 knot-ft) in the afternoon.
Mixing height.......1700 ft AGL increasing to 10100 ft AGL in the
                    afternoon.
Transport winds.....North 4 to 7 knots shifting to the northeast
                    around 7 knots.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........13        7         7         13
Weather cov.....                              CHC
Weather type....NONE      NONE      NONE      RNSHWR
Tstm cov........                              CHC
CWR.............0         0         0         30
Temp............79        88        97        100
RH..............48        39        28        22
20 FT wind......E 4G6     NW 4G6    SW 6G10   NW 7G10
Mix hgt (ft)....500       2600      7200      9100
Transport wind..NE 4      N 4       NE 6      N 7
Vrate kt-ft/1K..2         11        43        64
Ventrate Cat....POOR      MRGL      GOOD      GOOD

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of showers and thunderstorms in the
                    evening.
Chance of pcpn......30 percent through 10 pm.
Min temperature.....77-80 degrees.
Max humidity........58-61 percent.
20-foot winds.......Northwest winds 5 to 10 mph in the evening,
                    then shifting to the northeast 5 to 8 mph
                    overnight. Gusty and erratic winds expected
                    near thunderstorms in the evening.
Smoke dispersal.....Good (46100 knot-ft) decreasing to poor (1300
                    knot-ft).
Mixing height.......5800 ft AGL decreasing to 400 ft AGL.
Transport winds.....Northwest 8 to 12 knots in the evening, then
                    shifting to the east 4 to 6 knots overnight.

TIME (MST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........47        54        37        40
Weather cov.....CHANCE    CHANCE
Weather type....RNSHWR    RNSHWR    NONE      NONE
Tstm cov........S CHC     S CHC
CWR.............30        30        0         0
Temp............97        88        83        80
RH..............25        36        47        53
20 FT wind......N 11G16   NW 8G12   NW 6G8    N 3G6
Mix hgt (ft)....5800      1000      1200      400
Transport wind..N 8       NW 8      E 6       N 3
Vrate kt-ft/1K..46        8         7         1
Ventrate Cat....GOOD      POOR      POOR      POOR

.MONDAY...

Sky/weather.........Sunny in the morning then becoming mostly cloudy
                    in the afternoon. Chance of showers and
                    thunderstorms in the afternoon.
Chance of pcpn......40 percent after 3 pm.
Max temperature.....95-98 degrees.
Min humidity........31-34 percent.
20-foot winds.......North winds up to 5 mph shifting to the west 5
                    to 8 mph. Gusty and erratic winds expected near
                    thunderstorms late in the afternoon.
Smoke dispersal.....Poor (1400 knot-ft) in the morning increasing
                    to good (53800 knot-ft) in the afternoon.
Mixing height.......2200 ft AGL increasing to 7500 ft AGL.
Transport winds.....North to 4 knots shifting to the northwest 5
                    to 10 knots early in the morning.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........21        13        17        61
Weather cov.....                              CHC
Weather type....NONE      NONE      NONE      RNSHWR
Tstm cov........                              CHC
CWR.............0         0         0         40
Temp............78        84        93        96
RH..............58        52        38        32
20 FT wind......N 2G4     W 4G6     W 6G12    NW 7G13
Mix hgt (ft)....500       3300      5900      7300
Transport wind..N 3       NW 5      NW 7      NW 8
Vrate kt-ft/1K..1         17        42        58
Ventrate Cat....POOR      MRGL      GOOD      GOOD

$$
Forecaster...FIRE WX FORECASTER
Requested by...RUSSO
Type of request...WILDFIRE
.TAG 2619211.1/TWC
.DELDT 08/09/26
.FormatterVersion 2.0.0
.EMAIL JOSH.GOLDSTEIN@USDA.GOV,AZTDC@FIRENET.GOV

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