537 
FNUS75 KFGZ 221023
FWSFGZ

Spot Forecast for Castle...Kaibab National Forest
National Weather Service Flagstaff AZ
323 AM MST Mon Jul 22 2019

Forecast is based on forecast start time of 0500 MST on July 22. 
If conditions become unrepresentative, contact the 
National Weather Service in Flagstaff, AZ

.DISCUSSION...Continued warm conditions today along with low
humidity. There will be just enough moisture during peak heating
for a slight chance of a high-based shower or thunderstorm with
little in the way of rainfall. The main threat with this activity 
will be gusty and erratic winds. Moisture increases on Tuesday and
Wednesday with a better chance of showers and thunderstorms and
wetting rain.

.TODAY...

Sky/weather.........Partly cloudy. Slight chance of 
                    a high-based shower or thunderstorm
                    in the afternoon.
Chance of pcpn......10 percent. 
Max temperature.....Around 80. 
Min humidity........13 to 18 percent. 
Wind (20 ft)........Variable less than 5 mph, becoming
                    west to southwest 4 to 8 mph during the
                    afternoon. Gusty and erratic wind near
                    any shower or thunderstorm. 
LAL.................2. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
Max Vent Rate.......Very good. 
Clearing Index......964. 
Mixing height.......12800 ft agl. 
Transport winds.....Southwest 5 to 10 mph. 

.TONIGHT...

Sky/weather.........Partly cloudy. 
Chance of pcpn......0 percent. 
Min temperature.....Around 56. 
Max humidity........48 to 58 percent. 
Wind (20 ft)........Variable up to 5 mph. 
LAL.................1. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
Min Vent Rate.......Poor. 
Clearing Index......2. 
Mixing height.......2200 ft agl. 
Transport winds.....West 10 to 15 mph shifting to the southwest 5 
                    to 10 mph overnight. 

.TUESDAY...

Sky/weather.........Partly cloudy then becoming mostly cloudy. 
                    Scattered showers and thunderstorms in the 
                    afternoon. 
Chance of pcpn......40 percent. 
Max temperature.....Around 78. 
Min humidity........25 to 30 percent. 
Wind (20 ft)........Variable and mainly terrain driven winds
                    3 to 7 mph. Gusty and erratic winds expected 
                    near showers or thunderstorms in the afternoon. 
LAL.................3. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 
Max Vent Rate.......Good. 
Clearing Index......601. 
Mixing height.......8400 ft agl. 
Transport winds.....Northwest around 10 mph shifting to the east in 
                    the late morning and afternoon. 

$$
Forecaster...JOHNDROW
Requested by...David Veater
Type of request...WILDFIRE
.TAG 1912286.4/FGZ
.DELDT 07/22/19
.FormatterVersion 1.0.26
.EMAIL robert.veater@usda.gov