FNUS71 KPBZ 271901 AAA
FWSPBZ

SPOT FORECAST FOR FARM WOODLOTS C-21...UPDATED
NATIONAL WEATHER SERVICE PITTSBURGH PA
301 PM 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 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5700-6200 FT AGL.
MIXING WINDS........SOUTHWEST 17 TO 18 MPH.

TIME (EDT)      3 PM   5 PM   7 PM   9 PM   11 PM  1 AM
SKY (%).........3      5      7      9      11     13
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............83     84     78     72     68     66
RH..............29     29     33     40     45     48
20 FT WIND......SW 6   SW 8   S 7    S 6    S 7    S 8
20 FT WIND GUST.15     20     20     10     20     15
CHC OF PCPN (%).0      0      0      0      0      0
HAINES INDEX....5      5      5      5      5      5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........64 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 10 MPH. GUSTS UP TO 20 MPH
                    LATE IN THE EVENING.
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.......4800-6400 FT AGL...DECREASING TO 1700-1900 FT
                    AGL.
MIXING WINDS........SOUTHWEST 20 TO 28 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT)...THEN BECOMING
                    MOSTLY CLOUDY (75-85 PERCENT). A CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
                    MORNING.
CHANCE OF PCPN......20 PERCENT.
LAL.................1 UNTIL 1300...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.......1700-3200 FT AGL...INCREASING TO 3800-5200 FT
                    AGL LATE IN THE MORNING.
MIXING WINDS........WEST 20 TO 24 MPH.

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