FNUS71 KPBZ 132211
FWSPBZ

SPOT FORECAST FOR PORKEY BUTTERNUT RX...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE PITTSBURGH PA
611 PM EDT TUE APR 13 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL BRING DRY AND WARMER CONDITIONS FOR WEDNESDAY
AND THURSDAY. THE NEXT SYSTEM WILL AFFECT THE AREA FOR FRIDAY WITH
A CHANCE OF SHOWERS.

.WEDNESDAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT)...REMAINING
                    SUNNY (25-35 PERCENT)...THEN BECOMING MOSTLY
                    CLEAR (15-25 PERCENT).
                    TEMPERATURE.........52 AT IGNITION...MIN 38.
                    MIN HUMIDITY........42 PERCENT AT IGNITION...MAX 90 PERCENT.
WIND (20 FT)........WINDS EAST AT 4 MPH AT IGNITION...OTHERWISE
                    LIGHT AND VARIABLE WINDS.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH AT IGNITION...MAX 5.
MIXING HEIGHT.......5400 FT AGL AT IGNITION...OTHERWISE 4500-6100
                    FT AGL...DECREASING TO 100-500 FT AGL.
MIXING WINDS........SOUTHEAST 3 TO 6 MPH...BECOMING SOUTHWEST 3 TO
                    8 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 5 TO 8
                    MPH IN THE LATE MORNING AND AFTERNOON.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-900 FT AGL...INCREASING TO 7700-9000 FT AGL.
MIXING WINDS........SOUTHWEST 3 TO 8 MPH...INCREASING TO WEST 13 TO
                    22 MPH IN THE LATE MORNING AND EARLY
                    AFTERNOON...THEN INCREASING TO 23 TO 26 MPH
                    EARLY IN THE AFTERNOON.

$$
FORECASTER...15
REQUESTED BY...GARY KOLESAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20100414.PORKE.01/PBZ