FNAK79 PAFG 211907
FWSAFG

SPOT FORECAST FOR 425 WOOD RIVER 1...BLM/ALASKA FIRE SERVICE UYTD
NATIONAL WEATHER SERVICE FAIRBANKS AK
1107 AM AKDT TUE JUL 21 2009

FORECAST IS BASED ON REQUEST TIME OF 1047 AKDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT AKDT TONIGHT...

.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. A WEAK SURFACE THERMAL TROUGH WILL
DEVELOP NORTH OF THE FIRE AREA THIS AFTERNOON AND EVENING WITH NO
THUNDERSTORMS EXPECTED.

MODERATE SOUTH TO SOUTHEAST WINDS ARE EXPECTED TO DEVELOP TODAY ACROSS
PARTS OF THE CENTRAL INTERIOR. RH VALUES IN ZONE 223 WITH WINDS GUSTING
TO 30 MPH WILL CREATE RED FLAG WARNING CONDITIONS THIS AFTERNOON AND
EVENING...RH VALUES WILL REBOUND TONIGHT AND WINDS ARE EXPECTED TO DECREASE
ON WEDNESDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.               TO AROUND 20 MPH I
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 8800 FT AGL.
MIXING WINDS........SOUTHEAST WINDS 15 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH
                    IN THE EVENING BECOMING 10 TO 15 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO 2400 FT AGL.
MIXING WINDS........SOUTHEAST WINDS 15 MPH.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 15 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 9000 FT AGL AFTER NOON.
MIXING WINDS........SOUTHEAST WINDS 15 MPH.

$$
FORECASTER...LITTLE
REQUESTED BY...AMBER SUNDERLAND
TYPE OF REQUEST...WILDFIRE
.TAG 20090721.425WO.01/AFG