FNAK79 PAFG 211456
FWSAFG

SPOT FORECAST FOR SHEENJACK
NATIONAL WEATHER SERVICE FAIRBANKS AK
656 AM AKDT TUE JUL 21 2009

CORRECTED

FORECAST IS BASED ON REQUEST TIME OF 2309 AKDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE ALOFT IS WEAKENING TODAY. CIRCULATION AROUND A DEEP LOW IN BRISTOL
BAY WILL DOMINATE THROUGH FRIDAY. THEREAFTER HIGH PRESSURE WILL REBUILD OVER
THE AREA. THERMAL TROUGH IN FIRE AREA WILL CAUSE SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS TO DEVELOP THIS AFTERNOON AND EVENING AS WELL AS WEDNESDAY
AFTERNOON AND EVENING. RH VALUES WILL BE IN THE LOW TO MID 20S TODAY INCREASING
TO AROUND 30 ON WEDNESDAY. EAST WINDS 8 TO 10 MPH WILL PERSIST THE NEXT COUPLE OF
DAYS.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SCATTERED SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 12 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
CWR.................2 PERCENT.
LAL.................1...2 AFTER 1400.
MIXING HEIGHT.......RISING TO 8000 FEET BY NOON.
MIXING WINDS........SOUTHEAST WINDS 8 TO 14 MPH

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED THUNDERSTORMS IN
                    THE EVENING...THEN ISOLATED RAIN SHOWERS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........62 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 4 TO 8 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
CWR.................3 PERCENT.
LAL.................2...1 AFTER 2200.
MIXING HEIGHT.......LOWERING TO 2000 FEET.
MIXING WINDS........SOUTHEAST WINDS 8 TO 14 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). ISOLATED AFTERNOON
                    THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........EAST WINDS 8 TO 12 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
CWR.................5 PERCENT.
LAL.................1...2 AFTER 1400.
MIXING HEIGHT.......RISING TO 8500 BY NOON.
MIXING WINDS........SOUTHEAST WINDS 8 TO 14 MPH.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN
THE LOWER 70S. EAST WINDS AROUND 6 MPH.
.FRIDAY...
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. SOUTH
WINDS AROUND 7 MPH.
.SATURDAY...
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. LIGHT
WINDS.

$$
FORECASTER...LITTLE
REQUESTED BY...JAMES HIGGINS
TYPE OF REQUEST...WILDFIRE
.TAG 20090720.SHEEN.01/AFG