FNAK79 PAFG 211431
FWSAFG

SPOT FORECAST FOR LITTLE BLACK ONE-TIECHHOVAN LAKE...BLM/ALASKA FIRE SERVICE UYTD
NATIONAL WEATHER SERVICE FAIRBANKS AK
631 AM AKDT TUE JUL 21 2009

FORECAST IS BASED ON REQUEST TIME OF 2319 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 MID 20S TODAY INCREASING
TO AROUND 30 ON WEDNESDAY. SOUTHEAST WINDS 5 TO 8 MPH WILL PERSIST THE NEXT
COUPLE OF DAYS.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). ISOLATED SHOWERS
                    IN THE MORNING...THEN SCATTERED SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
CWR.................2 PERCENT.
LAL.................1...2 AFTER 1400.
MIXING HEIGHT.......RISING TO 8000 FT AGL BY NOON.
MIXING WINDS........SOUTHEAST WINDS 8 TO 14 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT). SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING.
                    ISOLATED RAIN SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........50 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH.
CWR.................10 PERCENT.
LAL.................2...1 AFTER 2200.
MIXING HEIGHT.......LOWERING TO 2000 FT AGL.
MIXING WINDS........

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). ISOLATED AFTERNOON
                    THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH.
CWR.................5 PERCENT.
LAL.................1...2 AFTER 1400.
MIXING HEIGHT.......RIDING TO 8500 FT AGL AFTER NOON.
MIXING WINDS........SOUTHEAST WINDS 10 MPH.

$$
FORECASTER...LITTLE
REQUESTED BY...JAMES HIGGINS
TYPE OF REQUEST...WILDFIRE
.TAG 20090720.LITTL.02/AFG