490
FNUS75 KFGZ 132133
FWSFGZ

Spot Forecast for Dragon Bravo Fire...Northern Arizona Type 3 IMT
National Weather Service Flagstaff AZ
233 PM MST Sun Jul 13 2025

Forecast is based on forecast start time of 1529 MST on July 13.
If conditions become unrepresentative, contact the
National Weather Service in Flagstaff, AZ

.DISCUSSION...Expect a fair amount of variable wind activity
through the forecast period, especially at the edge of the plateau
and near Roaring Springs Canyon and Bright Angel Canyon. Winds
overall will trend west through southwest in the day and northwest
through northeast at night. Winds at night will likely be stronger
than daytime winds. Hot and mostly dry conditions will persist.
There will be chances for convective showers and thunderstorms
each afternoon, precipitation amounts will be very light.

.TONIGHT...

Sky/weather.........Becoming mostly clear. A slight chance
                    of light showers or VIRGA through sunset.
Chance of pcpn......10 percent.
Min temperature.....60 to 62.
Max humidity........29 to 31 percent.
Wind (20 ft)........Variable winds 5 to 10 mph through sunset.
                    Winds will trend west-southwest along the
                    edge of the drop off. Drainage winds developing
                    by 2100L. Then, winds north-northwest 10 to 20 mph
                    through much of the burn area and into Roaring
                    Springs Canyon. Drainage winds in Bright Angel
                    Canyon more north-northeast. Drainage winds
                    decreasing toward sunrise and turning
                    east-northeast.
Min Vent Rate.......Poor.
Clearing Index......4.
Mixing height.......5500 ft AGL early in the evening decreasing to
                    100 ft AGL early in the evening.
Transport winds.....North around 10 knots.

.MONDAY...

Sky/weather.........Becoming partly cloudy. Slight chance of
                    showers and thunderstorms by early afternoon.
Chance of pcpn......20 percent.
Max temperature.....86 to 88.
Min humidity........14 to 16 percent.
Wind (20 ft)........Early morning northwest through easterly drainage
                    winds becoming westerly 6 to 10 mph by 1000-1100L.
                    Gusty and erratic winds expected near thunderstorms.
Max Vent Rate.......Excellent.
Clearing Index......1141.
Mixing height.......10200 ft AGL in the morning increasing to 14800
                    ft AGL late in the morning, then decreasing to
                    3000 ft AGL late in the afternoon.
Transport winds.....Northwest 5 to 10 knots.

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Slight chance of showers and thunderstorms in
                    the evening.
Chance of pcpn......20 percent.
Min temperature.....58 to 60.
Max humidity........34 to 36 percent.
Wind (20 ft)........Westerly winds 5 to 10 mph through sunset.
                    Then, winds north-northwest 10 to 20 mph
                    through much of the burn area and into Roaring
                    Springs Canyon. Drainage winds in Bright Angel
                    Canyon more north-northeast. Drainage winds
                    decreasing toward sunrise and turning to the
                    east-northeast. Gusty and erratic winds expected
                    near thunderstorms in the evening.
Min Vent Rate.......Poor.
Clearing Index......5.
Mixing height.......100 ft AGL.
Transport winds.....Northwest 5 to 10 knots.

.TUESDAY...

Sky/weather.........Becoming partly cloudy. Chance of showers and
                    slight chance of thunderstorms in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....85 to 87.
Min humidity........15 to 17 percent.
Wind (20 ft)........West-southwest winds 8 to 12 mph with gusts to
                    18 mph. Gusty and erratic winds expected near
                    thunderstorms in the afternoon.
Max Vent Rate.......Excellent.
Clearing Index......2100.
Mixing height.......8600 ft AGL in the morning increasing to 15200
                    ft AGL late in the morning.
Transport winds.....West around 5 knots increasing to around 15 knots
                    late in the afternoon.

A weather forecast table for your SPOT location is linked.
The information provided by this site is for planning purposes only
and is not intended to substitute information provided by an official
National Weather Service SPOT forecast.
https://www.weather.gov/dlh/fwd?lat=36.238&lon=-112.103&clat=36.238&clon=-112.103

$$
Forecaster...PETERSON
Requested by...Katie Brown
Type of request...WILDFIRE
.TAG 2517881.2/FGZ
.DELDT 07/13/25
.FormatterVersion 2.0.0
.EMAIL katie_brown@firenet.gov,james.king@usda.gov