FNUS71 KPBZ 022117
FWSPBZ

SPOT FORECAST FOR UPPERMILLSTONE2010...U.S. FOREST SERVICE ANF
NATIONAL WEATHER SERVICE PITTSBURGH PA
517 PM EDT FRI APR 2 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL PROVIDE DRY CONDITIONS AND NEAR RECORD WARMTH
TODAY AND SATURDAY. A WEAK COLD FRONT WILL PRODUCE GUSTY WIND AND MAY
GENERATE A FEW SHOWERS SATURDAY AFTERNOON AND EVENING.  THE FRONT
WILL COOL TEMPERATURES FOR SUNDAY.

.SATURDAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT)...THEN BECOMING MOSTLY
                    SUNNY (35-45 PERCENT)...THEN BECOMING MOSTLY
                    CLOUDY (55-65 PERCENT). A SLIGHT CHANCE OF
                    SHOWERS EARLY IN THE EVENING. A CHANCE OF
                    SHOWERS EARLY IN THE EVENING...THEN A SLIGHT
                    CHANCE OF SHOWERS IN THE LATE EVENING AND EARLY
                    MORNING.
                    TEMPERATURE.........54 AT IGNITION...MIN 45.
                    MIN HUMIDITY........75 PERCENT AT IGNITION...MAX 82 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 6 MPH AT IGNITION...OTHERWISE
                    WEST WINDS 8 TO 13 MPH WITH GUSTS UP TO 25 MPH.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
MIXING HEIGHT.......800 FT AGL AT IGNITION...OTHERWISE 800-2400 FT
                    AGL...INCREASING TO 3200-4700 FT AGL EARLY IN
                    THE AFTERNOON...THEN INCREASING TO 5100-6300 FT
                    AGL EARLY IN THE EVENING...DECREASING TO
                    2700-4200 FT AGL LATE IN THE
                    EVENING...DECREASING TO 1300-2100 FT AGL.
MIXING WINDS........SOUTH 14 TO 23 MPH...INCREASING TO 24 TO 33 MPH
                    IN THE AFTERNOON...THEN BECOMING WEST 29 TO 37
                    MPH IN THE EVENING...DECREASING TO 15 TO 24 MPH
                    LATE IN THE EVENING...DECREASING TO 12 TO 13
                    MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....67.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5
                    TO 7 MPH IN THE LATE MORNING AND AFTERNOON.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1100-2200 FT AGL...INCREASING TO 7700-8500 FT
                    AGL.
MIXING WINDS........WEST 8 TO 15 MPH.

$$
FORECASTER...15
REQUESTED BY...GARY KOLESAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20100403.UPPER.01/PBZ