FNUS75 KFGZ 031251
FWSFGZ

SPOT FORECAST FOR TUSAYAN EAST WUI...KNF KAIBAB NF
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
551 AM MST MON MAY 3 2010

FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON MAY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE IN THE UPPER LEVELS OF
THE ATMOSPHERE WILL BUILD ACROSS THE AREA TODAY AND THEN FLAT ON
TUESDAY IN RESPONSE TO A WEATHER SYSTEM APPROACHING THE AREA FROM THE
NORTHWEST. LOOK FOR FAIR AND WARMER WEATHER WITH MUCH LIGHTER WINDS.
A STABLE AIRMASS WITH LIGHTER WIND SPEEDS WILL BRING A DOWNWARD
TREND IN VENTILATION VALUES. TUESDAY HIGH TEMPERATURES LOOK
TO BE AROUND 5 DEGREES ABOVE NORMAL...WITH BREEZY SOUTHWEST
WINDS RETURNING AND IMPROVING VENTILATION CONDITIONS.

LAT/LONG GIVEN IS FOR THE TUSAYAN RAWS, NOT THE ACTUAL LOCATION OF
THE FIRE. WEATHER FORECAST IS PRELIMINARY UNTIL ACTUAL COORDINATES OF
THE FIRE ARE REQUESTED AND A NEW SPOT FORECAST WILL BE PROVIDED.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........13 PCT.
WINDS (20 FT).......LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH IN
                    THE AFTERNOON.
LAL.................1.
HAINES INDEX........4 LOW.
MAX VENT RATE.......GOOD (48200 KNOT-FT).
CLEARING INDEX......482.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 27.
MAX HUMIDITY........60 PCT.
WINDS (20 FT).......SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING
                    BECOMING LIGHT.
LAL.................1.
HAINES INDEX........4 LOW.
MIN VENT RATE.......POOR (2200 KNOT-FT).
CLEARING INDEX......22.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........12 PCT.
WINDS (20 FT).......LIGHT WINDS BECOMING SOUTHWEST AROUND 15 MPH
                    WITH GUSTS TO 25 MPH IN THE AFTERNOON.
LAL.................1.
HAINES INDEX........3 VERY LOW.
MAX VENT RATE.......EXCELLENT (149300 KNOT-FT).
CLEARING INDEX......1493.

$$
FORECASTER...CLEMMONS
REQUESTED BY...WDC DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20100503.TUSAY.04/FGZ