FNUS71 KPBZ 211123
FWSPBZ

SPOT FORECAST FOR BIG FOOT FIRE...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE PITTSBURGH PA
723 AM EDT MON SEP 21 2009

FORECAST IS BASED ON REQUEST TIME OF 0718 EDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A STORM SYSTEM WILL MOVE UP THE MISSISSIPPI AND OHIO RIVER
VALLEYS BRINGING SHOWERS FOR TODAY THROUGH TUESDAY. UNSETTLED
WEATHER IS EXPECTED TO CONTINUE WEDNESDAY INTO THURSDAY AS
DISTURBANCES MOVE THROUGH.

.TODAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF SHOWERS. A
                    CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........70 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTH
                    AROUND 5 MPH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
LAL.................3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000-2500 FT AGL.
MIXING WINDS........SOUTH AROUND 13 MPH.
EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS...BECOMING SOUTH
                    AROUND 5 MPH IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF
                    THUNDERSTORMS IN THE EVENING. A CHANCE OF
                    SHOWERS.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
CHANCE OF PCPN......40 PERCENT.
LAL.................3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000-2000 FT AGL.
MIXING WINDS........SOUTH AROUND 20 MPH.
EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS.

.TUESDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF SHOWERS. A
                    CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........81 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
LAL.................3.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1700-2500 FT AGL.
MIXING WINDS........SOUTH AROUND 14 MPH.
EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS.

$$
FORECASTER...10
REQUESTED BY...CAMERON CRISP
TYPE OF REQUEST...WILDFIRE
.TAG 20090921.BIGFO.01/PBZ