FNUS71 KPBZ 271550
FWSPBZ

SPOT FORECAST FOR FARM WOODLOTS C-21...WV-MOF
NATIONAL WEATHER SERVICE PITTSBURGH PA
1150 AM EDT MON APR 27 2009

FORECAST IS BASED ON IGNITION TIME OF 1230 EDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

DRY AND WARM WEATHER WILL CONTINUE THROUGH TONIGHT AS THE UPPER
OHIO VALLEY REGION WILL REMAIN UNDER THE INFLUENCE OF
DETERIORATING HIGH PRESSURE. A COLD FRONT WILL GENERATE SOME
SHOWERS AND THUNDERSTORMS ON TUESDAY AND WEDNESDAY AS IT USHERS IN
MUCH COOLER TEMPERATURES.

.REST OF TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 10 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
HAINES INDEX........5 TO 6 OR OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500-6200 FT AGL...INCREASING TO 6500-6700 FT
                    AGL LATE.
MIXING WINDS........SOUTHWEST 20 TO 23 MPH.

TIME (EDT)      NOON   2 PM   4 PM   6 PM   8 PM   10 PM
SKY (%).........1      2      4      6      8      12
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............74     82     85     80     74     64
RH..............39     30     28     32     41     58
20 FT WIND......W 8    SW 6   SW 8   SW 8   S 6    S 5
20 FT WIND GUST.15     15     15     20     10     30
CHC OF PCPN (%).0      0      0      0      0      0
HAINES INDEX....5      6      6      5      5      5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH WITH GUSTS UP TO 30 MPH
                    IN THE EVENING...BECOMING LIGHT AND VARIABLE.
CHANCE OF PCPN......0 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.......4800-6500 FT AGL...DECREASING TO 2400-4200 FT
                    AGL LATE IN THE EVENING.
MIXING WINDS........SOUTHWEST 21 TO 24 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT)...THEN BECOMING
                    MOSTLY CLOUDY (80-90 PERCENT). A CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE LATE MORNING
                    AND AFTERNOON.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 7
                    TO 12 MPH IN THE LATE MORNING AND AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS EARLY IN THE MORNING.
CHANCE OF PCPN......30 PERCENT.
LAL.................1 UNTIL 1000...THEN 3.
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.......2400-4000 FT AGL...INCREASING TO 4600-5600 FT
                    AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 21 TO 24 MPH.

$$
FORECASTER...15
REQUESTED BY...PATRICIA FELTON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090427.FARMW.01/PBZ