FNUS75 KFGZ 011214
FWSFGZ

SPOT FORECAST FOR COOPER...GNP GRAND CANYON NP
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
514 AM MST THU AUG 1 2013

FORECAST IS BASED ON IGNITION TIME OF 2140 MST ON JULY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...INCREASED CHANCES FOR SHOWERS AND THUNDERSTORMS ARE
EXPECTED TODAY AS INCREASED MOISTURE HAS PUSHED NORTHWARD ACROSS
THE REGION. GOOD CHANCES FOR PRECIPITATION WILL CONTINUE
FRIDAY.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY. A
                    CHANCE OF SHOWERS AND THUNDERSTORMS...MAINLY IN
                    THE AFTERNOON.
MAX TEMPERATURE.....79 TO 82.
MIN HUMIDITY........28 TO 34 PCT.
WINDS (20 FT).......LIGHT WINDS...BECOMING SOUTHWEST 8 TO 12 MPH
                    WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. GUSTY
                    AND VARIABLE TO 30 MPH IN THE VICINITY OF
                    SHOWERS OR THUNDERSTORMS.
LAL.................3.
HAINES INDEX........3 VERY LOW.
MAX VENT RATE.......EXCELLENT (140700 KNOT-FT).
CLEARING INDEX......1407.
MIXING HEIGHT.......1100 FT AGL...INCREASING TO 7900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 KNOTS...INCREASING TO 15 TO
                    20 KNOTS IN THE LATE MORNING AND AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY...THEN BECOMING PARTLY CLOUDY. A
                    CHANCE OF SHOWERS AND THUNDERSTORMS...MAINLY IN
                    THE EVENING.
MIN TEMPERATURE.....57 TO 62.
MAX HUMIDITY........60 TO 75 PCT.
WINDS (20 FT).......SOUTHWEST WINDS 8 TO 12 MPH BECOMING VARIABLE/
                    DOWNSLOPE LESS THAN 5 MPH OVERNIGHT.
LAL.................3.
HAINES INDEX........2 VERY LOW.
MIN VENT RATE.......POOR (600 KNOT-FT).
CLEARING INDEX......6.
MIXING HEIGHT.......6000 FT AGL EARLY IN THE EVENING...DECREASING
                    TO 400 FT AGL IN THE LATE EVENING AND
                    OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 KNOTS...DECREASING TO 5 TO
                    10 KNOTS AFTER MIDNIGHT.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY. A
                    CHANCE OF SHOWERS AND THUNDERSTORMS...MAINLY IN
                    THE AFTERNOON.
MAX TEMPERATURE.....80 TO 83.
MIN HUMIDITY........26 TO 32 PCT.
WINDS (20 FT).......SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS UP TO
                    20 MPH.
LAL.................3.
HAINES INDEX........3 VERY LOW.
MAX VENT RATE.......VERY GOOD (99600 KNOT-FT).
CLEARING INDEX......996.
MIXING HEIGHT.......1300 FT AGL...INCREASING TO 9000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 KNOTS.

$$
FORECASTER...ONTON
REQUESTED BY...BRANDON TORRES
REASON FOR REQUEST...PRESCRIBED
.TAG 20130731.COOPE.02/FGZ