FNAK79 PAFG 011859
FWSAFG

SPOT FORECAST FOR 241 JEANNES LAKE...ALASKA FIRE SERVICE
NATIONAL WEATHER SERVICE FAIRBANKS AK
1059 AM AKDT TUE JUN 1 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 AKDT ON JUNE 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LOW PRESSURE IS PERSISTING OVER THE NORTHEAST INTERIOR OF ALASKA.
HIGH PRESSURE OVER THE EAST BERING SEA WILL BEGIN WEAKENING THIS
EVENING. ALTHOUGH COOLER AIR WAS ADVANCED OVER THE FIRE FROM THE
WEST LATE MONDAY...THE AIR MASS OVER THE FIRE IS STILL UNSTABLE...
AND LATE AFTERNOON/EVENING THUNDERSTORMS REMAIN IN THE FORECAST.
WEAK HIGH PRESSURE ALOFT WILL BEGIN BUILDING OVER THE FIRE FROM
THE NORTH YUKON TERRITORY TUESDAY NIGHT...AND THEN VERY GRADUALLY
WITHDRAW TO THE NORTH STARTING WEDNESDAY. WINDS ALOFT OVER THE
FIRE WILL CHANGE FROM SOUTHEASTERLY TO EAST ON FRIDAY...AND WILL
CONTINUE OUT OF THE EAST FOR THE REST OF THIS WEEK AND BEYOND.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). AREAS OF SMOKE
                    THROUGH THE DAY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE LATE AFTERNOON.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 6 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE LATE
                    AFTERNOON.
CWR.................15 PERCENT.
LAL.................1 UNTIL 1500...THEN 2.
MIXING HEIGHT.......SOUTHWEST 5 MPH IN THE MORNING...INCREASING TO
                    12000-14000 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTH AROUND 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-80 PERCENT). ISOLATED SHOWERS
                    AND DRY THUNDERSTORMS IN THE EVENING. AREAS OF
                    SMOKE THROUGH THE NIGHT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 4 TO 6 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
CWR.................20 PERCENT.
LAL.................2 UNTIL 2200...THEN 1.
MIXING HEIGHT.......12000 FT BECOMING 2000 FT AGL AFTER MIDNIGHT AS
                    A TEMPERATURE INVERSION FORMS.
MIXING WINDS........SOUTHWEST AROUND 10 MPH DIMINISHING TO NORTHWEST
                    5 MPH AFTER MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). AREAS OF SMOKE THROUGH
                    THE DAY. ISOLATED LATE AFTERNOON THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
                    AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE LATE AFTERNOON.
CWR.................15 PERCENT.
LAL.................1 UNTIL 1500...THEN 2.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 12000 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHEAST AROUND 5 MPH IN THE MORNING INCREASING
                    TO 8 TO 15 MPH AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. WEST
WINDS AROUND 8 MPH.
.FRIDAY...
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. HIGHS
IN THE UPPER 60S. NORTHWEST WINDS AROUND 8 MPH.
.SATURDAY...
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE MID 40S. HIGHS
IN THE MID 60S. LIGHT WINDS.

$$
FORECASTER...FATHAUER
REQUESTED BY...DOW
TYPE OF REQUEST...PRESCRIBED
.TAG 20100601.241JE.01/AFG