FNAK79 PAFG 051447
FWSAFG

SPOT FORECAST FOR ROCK SLOUGH  347
NATIONAL WEATHER SERVICE FAIRBANKS AK
647 AM AKDT WED AUG 5 2009

FORECAST IS BASED ON REQUEST TIME OF 1906 AKDT ON AUGUST 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 10 PM AKDT WEDNESDAY...

.DISCUSSION...
CONTINUED HOT AND DRY FOR THE NEXT FEW DAYS AS A RIDGE OF HIGH
PRESSURE ALOFT REMAINS ACROSS THE AREA THROUGH FRIDAY. A SURFACE
RIDGE WILL BUILD WELL NORTH OF THE FIRE TONIGHT AND THURSDAY
AS A THERMAL TROUGH REMAINS SOUTH OF THE FIRE.  THIS WILL LEAD
TO INCREASING NORTHEAST WINDS LATE TONIGHT AND THURSDAY...WITH
GUSTS TO 30 MPH POSSIBLE THURSDAY.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). AREAS OF DENSE SMOKE.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH BECOMING VARIABLE IN DIRECTION
                    2 TO 5 MPH BY 1000.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......800 TO 1200 FT AGL THROUGH 1000...INCREASING TO
                    8000 FT AGL IN THE AFTERNOON.
MIXING WINDS........LIGHT AND VARIABLE...NEAR 10 MPH OUT OF THE WEST
                    AT THE TOP OF THE WELL MIXED LAYER IN THE AFTERNOON.

.WEDNESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). AREAS OF SMOKE.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS 2 TO 5 MPH SHIFTING
                    TO THE NORTHEAST AND INCREASING TO 12 TO 18 MPH
                    WITH GUSTS TO 25 MPH POSSIBLE AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......8000 FT AGL LOWERING TO 2000 TO 2500 FT AGL AFTER
                    MIDNIGHT.
MIXING WINDS........NORTHEAST WINDS INCREASING TO 30 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). AREAS OF SMOKE.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 15 TO 22 MPH WITH GUSTS TO 30 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INCREASING TO 5000 TO 6000 FT AGL IN THE AFTERNOON.
MIXING WINDS........NORTHEAST WINDS 20 TO 30 MPH.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S.
NORTHEAST WINDS 7 TO 15 MPH.
.SATURDAY...
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.
NORTHEAST WINDS 5 TO 10 MPH.
.SUNDAY...
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
NORTHEAST WINDS 5 TO 10 MPH.

$$
FORECASTER...LITTLE
REQUESTED BY...TIM EPP
TYPE OF REQUEST...WILDFIRE
.TAG 20090804.ROCKS.02/AFG