558
FNUS75 KTWC 211245
FWSTWC

Spot Forecast for RX Maylay Gap...AZ-SCA
National Weather Service Tucson AZ
545 AM MST Thu Nov 21 2024

Forecast is based on ignition time of 0630 MST on November 21.

.DISCUSSION...Warm and dry with high temperatures nearly 10
degrees above normal. Poor overnight humidity recoveries. Light
winds, with terrain driven winds through Friday except at
ridgetop levels.

.TODAY...

Sky/weather.........Mostly sunny (high clouds).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....64-67 degrees.
Min humidity........9-12 percent.
20-foot winds.......East to southeast 3 to 8 mph.
Mixing height.......Increasing to 3300 ft AGL in the afternoon.
Transport winds.....East around 4 knots shifting to the south in
                    the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.TONIGHT...

Sky/weather.........Mostly clear (high clouds).
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....40-43 degrees.
Max humidity........20-23 percent.
20-foot winds.......East to northeast 3 to 8 mph.
Mixing height.......Decreasing to 100 ft AGL.
Transport winds.....South to southeast 5 knots.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FRIDAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....65-68 degrees.
Min humidity........8-11 percent.
20-foot winds.......East to southeast 3 to 8 mph in the morning,
                    becoming south to southwest in the afternoon.
Mixing height.......Increasing to 4900 ft AGL in the afternoon.
Transport winds.....South around 5 knots becoming southwest around
                    7 knots in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

$$
Forecaster...ZELL
Requested by...Christine Thompson
Type of request...PRESCRIBED
.TAG 2427059.1/TWC
.DELDT 11/21/24
.FormatterVersion 2.0.0
.EMAIL azphc@firenet.gov

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