FNUS75 KFGZ 191256
FWSFGZ

SPOT FORECAST FOR WEST LAKE RX...GNP GRAND CANYON NP
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
556 AM MST FRI OCT 19 2012

FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON OCTOBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE ALOFT WILL CONTINUE ACROSS NORTHERN ARIZONA TODAY
AND EARLY SATURDAY WITH ABOVE NORMAL HIGH TEMPERATURES. TRANSPORT
WINDS WILL BE RATHER LIGHT THIS AFTERNOON...LEADING TO ONLY FAIR
AFTERNOON VENTILATION. BREEZIER SOUTHWEST WINDS ARE LIKELY FOR
SATURDAY.


.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........NEAR 13 PCT.
WINDS (20 FT).......LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH.
                    AFTERNOON GUSTS OF 15 TO 20 MPH POSSIBLE.
LAL.................1.
HAINES INDEX........5 MODERATE.
MAX VENT RATE.......GOOD (46800 KNOT-FT).
CLEARING INDEX......468.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........NEAR 55 PCT.
WINDS (20 FT).......WEST WINDS AROUND 5 MPH IN THE
                    EVENING...BECOMING LIGHT.
LAL.................1.
HAINES INDEX........4 LOW.
MIN VENT RATE.......POOR (2300 KNOT-FT).
CLEARING INDEX......23.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........NEAR 19 PCT.
WINDS (20 FT).......LIGHT WINDS...BECOMING SOUTHWEST 10 TO 15 MPH
                    IN THE AFTERNOON. GUSTS AROUND 25 MPH IN THE
                    LATE MORNING AND AFTERNOON.
LAL.................1.
HAINES INDEX........2 VERY LOW.
MAX VENT RATE.......VERY GOOD (95200 KNOT-FT).
CLEARING INDEX......952.

$$

FORECASTER...DANIEL
REQUESTED BY...GCNP-NPS
REASON FOR REQUEST...PRESCRIBED
.TAG 20121019.WESTL.01/FGZ