FNUS75 KFGZ 301607
FWSFGZ

SPOT FORECAST FOR SOUTH FORK...PNF PRESCOTT NF
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
907 AM MST TUE APR 30 2013

FORECAST IS BASED ON REQUEST TIME OF 0847 MST ON APRIL 30.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING...

.DISCUSSION...
A DRY COLD FRONT IS MOVING TOWARDS NORTHERN ARIZONA TODAY. SOUTHWEST
WIND SPEEDS WILL INCREASE TODAY AND A RED FLAG WARNING IS IN EFFECT FOR
THE FIRE SITE. TONIGHT WILL BE WARM AND BREEZY AT THE FIRE SITE AS THE
FRONT MOVES INTO NORTHEAST ARIZONA. ON WEDNESDAY...MUCH LIGHTER WESTERLY
WINDS ARE FORECAST.


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........10 PCT.
WINDS (20 FT).......SOUTHWEST WINDS TO 10 MPH THROUGH 1000L ...INCREASING
                    TO 20 TO 25 MPH. GUSTS TO 20 MPH...INCREASING TO
                    45 MPH IN THE LATE MORNING AND AFTERNOON.
LAL.................1.
HAINES INDEX........4 LOW.
MAX VENT RATE.......EXCELLENT (258900 KNOT-FT).
CLEARING INDEX......2589.
MIXING HEIGHT.......600 FT AGL...INCREASING TO 8200 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS...INCREASING TO SOUTHWEST
                    25 TO 35 KNOTS.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........39 PCT.
WINDS (20 FT).......SOUTHWEST WINDS 10 TO 15 MPH THROUGH THE NIGHT.
                    GUSTS TO 35 MPH THROUGH SUNSET THEN DIMINISHING.
LAL.................1.
HAINES INDEX........4 LOW.
MIN VENT RATE.......POOR (200 KNOT-FT).
CLEARING INDEX......2.
MIXING HEIGHT.......4800 FT AGL EARLY IN THE EVENING...DECREASING
                    TO 100 FT AGL IN THE LATE EVENING AND
                    OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 KNOTS...BECOMING SOUTH
                    AROUND 5 KNOTS.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........13 PCT.
WINDS (20 FT).......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO
                    25 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.
MAX VENT RATE.......VERY GOOD (73200 KNOT-FT).
CLEARING INDEX......732.
MIXING HEIGHT.......600 FT AGL...INCREASING TO 9100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 KNOTS...BECOMING WEST IN THE
                    LATE MORNING AND AFTERNOON.

$$
FORECASTER...LEBLANC
REQUESTED BY...ASST CENTER MANAGER
REASON FOR REQUEST...WILDFIRE
.TAG 20130430.SOUTH.01/FGZ