172 
FNUS75 KFGZ 281428
FWSFGZ

Spot Forecast for Section 20 RX...USFS
National Weather Service Flagstaff AZ
728 AM MST Sun Apr 28 2019

Forecast is based on ignition time of 1200 MST on April 28. 
If conditions become unrepresentative, contact the 
National Weather Service in Flagstaff, AZ

.DISCUSSION...Dry and breezy conditions will continue today with
increasing high clouds. A low pressure system will bring a good
chance for showers and thunderstorms on Monday with cooler
temperatures. 

.TODAY...

Sky/weather.........Mostly sunny. 
Chance of pcpn......0 percent. 
Max temperature.....68 to 70. 
Min humidity........15 to 20 percent. 
Wind (20 ft)........Southwest winds around 15 mph with gusts to 
                    around 25 mph. 
LAL.................1. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
Max Vent Rate.......Excellent. 
Clearing Index......2016. 
Mixing height.......7700 ft agl. 
Transport winds.....Southwest 25 to 30 mph. 

.TONIGHT...

Sky/weather.........Partly cloudy. 
Chance of pcpn......10 percent. 
Min temperature.....40 to 42. 
Max humidity........75 to 80 percent. 
Wind (20 ft)........Southwest winds 10 to 15 mph. Gusts up to 25 
                    mph in the evening. 
LAL.................1. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 
Min Vent Rate.......Poor. 
Clearing Index......6. 
Mixing height.......1200 ft agl. 
Transport winds.....Southwest 15 to 20 mph decreasing to 10 to 15 
                    mph overnight. 

.MONDAY...

Sky/weather.........Mostly cloudy. Rain showers increasing through
                    the day. Chance of thunderstorms mainly in the
                    afternoon. 
Chance of pcpn......50 percent. 
Max temperature.....62 to 64. 
Min humidity........30 to 35 percent. 
Wind (20 ft)........Southwest winds 10 to 15 mph with gusts to 
                    around 25 mph. Gusty and erratic winds expected 
                    near thunderstorms. 
LAL.................3. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 
Max Vent Rate.......Excellent. 
Clearing Index......2942. 
Mixing height.......6400 ft agl. 
Transport winds.....South 10 to 20 mph increasing to 30 to 40 mph 
                    in the afternoon becoming southwest late in the 
                    afternoon. 

$$
Forecaster...STEFFEN
Requested by...Raymond Greasewood
Type of request...PRESCRIBED
.TAG 1907601.0/FGZ
.DELDT 04/28/19
.FormatterVersion 1.0.26
.EMAIL raymond.greaswood@usda.gov