FNUS75 KFGZ 140946
FWSFGZ

SPOT FORECAST FOR POINT...GNP GRAND CANYON NP
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
246 AM MST SUN AUG 14 2011

FORECAST IS BASED ON REQUEST TIME OF 2058 MST ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DEEPER MONSOON MOISTURE WILL RESULT IN A CHANCE OF SHOWERS
AND THUNDERSTORMS TODAY. ON MONDAY...HIGH PRESSURE WILL WOBBLE EASTWARD
ALLOWING DRIER SOUTHWEST FLOW TO MOVE ACROSS THE POINT WILDFIRE...PUTTING
AND END TO THE CHANCE OF STORMS. DEEP MIXING WILL RESULT IN VERY
GOOD VENTILATION EACH AFTERNOON.


.TODAY...

SKY/WEATHER.........PARTLY CLOUDY TO MOSTLY CLOUDY.
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                    THE MORNING...THEN CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........37 PCT.
WINDS (20 FT).......LIGHT AND VARIABLE WINDS UNTIL 1000 LST BECOMING
                    SOUTHWEST 2 TO 5 MPH IN THE AFTERNOON.
LAL.................3.
HAINES INDEX........3 VERY LOW.
MAX VENT RATE.......VERY GOOD (82800 KNOT-FT).
CLEARING INDEX......828.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........66 PCT.
WINDS (20 FT).......SOUTHWEST WINDS 2 TO 4 MPH UNTIL 2000 LST
                    BECOMING LIGHT AND VARIABLE.
LAL.................2.
HAINES INDEX........3 VERY LOW.
MIN VENT RATE.......POOR (900 KNOT-FT).
CLEARING INDEX......9.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........26 PCT.
WINDS (20 FT).......LIGHT AND VARIABLE WINDS UNTIL 0900 LST BECOMING
                    SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
LAL.................1.
HAINES INDEX........4 LOW.
MAX VENT RATE.......VERY GOOD (87300 KNOT-FT).
CLEARING INDEX......873.

$$
FORECASTER...MCCOLLUM
REQUESTED BY...MATTHEW DANIEL
REASON FOR REQUEST...WILDFIRE
.TAG 20110813.POINT.02/FGZ