Suppression Forecast
Issued by NWS

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000
FNUS71 KPBZ 211148
FWSPBZ

SPOT FORECAST FOR YELLOW CREEK RXB...DCNR FORESTRY
NATIONAL WEATHER SERVICE PITTSBURGH PA
748 AM EDT MON APR 21 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL DOMINATE TODAY WITH WARM AND DRY CONDITIONS. A
COLD FRONT BRINGS SHOWERS LATER TONIGHT AND TUESDAY.

.REST OF TODAY...

CHANCE OF PCPN......0 PERCENT.
LAL.................1.
HAINES INDEX........4 TO 6 OR OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500-2400 FT AGL...INCREASING TO 5700-6100 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 12 MPH.

TIME (EDT)          10 AM  NOON   2 PM   4 PM
MIX HGT (FT)........1500   3600   5700   6100
TRANSPORT WIND......SW 7   W 8    W 8    W 10
CHC OF PCPN (%).....0      0      0      0
LAL.................1      1      1      1
HAINES INDEX........4      5      6      6

.TONIGHT...

CHANCE OF PCPN......50 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.......4300-5600 FT AGL...DECREASING TO 100-500 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 13 MPH.

TIME (EDT)          6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
MIX HGT (FT)........5600   4300   1600   100    400    200
TRANSPORT WIND......SW 13  SW 13  SW 9   SW 8   S 7    SW 7
CHC OF PCPN (%).....0      0      10     10     10     30
LAL.................1      1      1      1      1      1
HAINES INDEX........5      5      5      4      4      4

.TUESDAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS LIKELY UNTIL
                    LATE AFTERNOON...THEN A CHANCE OF SHOWERS LATE.
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........46 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 12 MPH WITH GUSTS UP TO 25
                    MPH.
CHANCE OF PCPN......70 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.......500-2100 FT AGL...INCREASING TO 4800-4900 FT
                    AGL.
TRANSPORT WINDS.....WEST 9 TO 17 MPH...INCREASING TO 20 TO 28 MPH
                    IN THE AFTERNOON.

TIME (EDT)          6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).............91     95     97     98     100    93
WEATHER COV.........LIKELY LIKELY LIKELY LIKELY LIKELY CHANCE
WEATHER TYPE........RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV............
TEMP................52     51     55     61     61     61
RH..................73     80     70     58     59     52
20 FT WIND..........SW 6   SW 6   W 7    W 9    NW 10  NW 10
20 FT WIND GUST.....10     10     10     15     25     15
MIX HGT (FT)........500    1100   1700   2600   3800   4800
TRANSPORT WIND......SW 9   SW 14  W 16   W 20   W 25   W 28
CHC OF PCPN (%).....60     70     70     60     60     50
LAL.................1      1      1      1      1      1
HAINES INDEX........4      3      3      3      3      3

$$
FORECASTER...PH
REQUESTED BY...RICK MEINTEL
TYPE OF REQUEST...PRESCRIBED
.TAG 20140421.YELLO.02/PBZ






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