FNUS75 KFGZ 181152
FWSFGZ

SPOT FORECAST FOR CASTLE FIRE...GNP GRAND CANYON NP
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
452 AM MST SUN AUG 18 2013

FORECAST IS BASED ON REQUEST TIME OF 1803 MST ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DISTURBANCE ALOFT ALONG WITH DEEP MOISTURE WILL
PRODUCE GOOD CHANCES FOR RAIN AND THUNDERSTORMS OVER THE FIRE
SITE TODAY. STORM ACTIVITY WILL CONTINUE THROUGH MONDAY. WINDS WILL
BE VARIABLE WITH GUSTS UP TO 30 MPH NEAR THUNDERSTORMS.

.TODAY...

SKY/WEATHER.........CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.
MAX TEMPERATURE.....80 TO 83.
MIN HUMIDITY........27 TO 30 PCT.
WINDS (20 FT).......VARIABLE 3-6 MPH.
LAL.................3.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......300 FT AGL...INCREASING TO 9300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 KNOTS...BECOMING NORTH IN
                    THE LATE MORNING AND AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
MIN TEMPERATURE.....54 TO 57.
MAX HUMIDITY........65 TO 70 PCT.
WINDS (20 FT).......VARIABLE 0-5 MPH.
LAL.................3.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......5400 FT AGL EARLY IN THE EVENING...DECREASING
                    TO 200 FT AGL IN THE LATE EVENING AND
                    OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 5 KNOTS...BECOMING WEST IN THE
                    LATE EVENING AND OVERNIGHT.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
                    THUNDERSTORMS...MAINLY IN THE AFTERNOON.
MAX TEMPERATURE.....80 TO 83.
MIN HUMIDITY........27 TO 30 PCT.
WINDS (20 FT).......VARIABLE 3-6 MPH.
LAL.................3.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......600 FT AGL...INCREASING TO 9000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 KNOTS.

$$
FORECASTER...BOHLIN
REQUESTED BY...DAVE ROBINSON
REASON FOR REQUEST...WILDFIRE
.TAG 20130817.CASTL.01/FGZ