Suppression Forecast
Issued by NWS

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000
FNUS71 KPBZ 281233
FWSPBZ

SPOT FORECAST FOR MKG BURN...DCNR
NATIONAL WEATHER SERVICE PITTSBURGH PA
833 AM EDT TUE APR 28 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WEATHER IS FORECAST THROUGH WEDNESDAY. RELATIVE
HUMIDITIES AND WINDS SHOULD NOT CAUSE ANY MAJOR CONCERNS FOR THE
BURN TODAY. PLEASE LET US KNOW IF FORECAST MODIFICATIONS ARE
NEEDED.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WIND...BECOMING NORTHWEST 5
                    TO 6 MPH IN THE LATE MORNING AND AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
LAL.................NO TSTMS.
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.......0-1400 FT AGL...INCREASING TO 4700-5700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 12 MPH...BECOMING NORTH 12 TO 13
                    MPH IN THE AFTERNOON.

TIME (EDT)          10 AM  NOON   2 PM   4 PM
SKY (%).............21     27     33     35
WEATHER COV.........
WEATHER TYPE........NONE   NONE   NONE   NONE
TSTM COV............
TEMP................46     52     55     56
RH..................68     56     53     50
20 FT WIND..........NW 4   NW 5   NW 5   NW 5
20 FT WIND GUST.....5      10     10     15
MIX HGT (FT)........2700   4700   5500   5500
TRANSPORT WIND......NW 9   NW 13  NW 12  N 12
CHC OF PCPN (%).....0      0      0      0
LAL.................1      1      1      1
HAINES INDEX........3      3      4      4

.TONIGHT...

CHANCE OF PCPN......10 PERCENT.
LAL.................NO TSTMS.
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.......3100-4200 FT AGL...DECREASING TO 100-200 FT
                    AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 12 MPH...DECREASING TO AROUND 2
                    MPH LATE.

TIME (EDT)          6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
MIX HGT (FT)........4200   2100   700    100    200    200
TRANSPORT WIND......N 12   NW 10  NW 6   NW 3   NW 3   NW 2
CHC OF PCPN (%).....10     10     10     10     10     10
LAL.................1      1      1      1      1      1
HAINES INDEX........4      4      4      4      3      3

.WEDNESDAY...

CHANCE OF PCPN......10 PERCENT.
LAL.................NO TSTMS.
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.......0-1600 FT AGL...INCREASING TO 5700-6300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 1 TO 5 MPH.

TIME (EDT)          6 AM   8 AM   10 AM  NOON   2 PM   4 PM
MIX HGT (FT)........BLW100 200    3400   5700   6000   6300
TRANSPORT WIND......W 1    SW 1   W 3    W 5    W 5    NW 5
CHC OF PCPN (%).....10     10     10     10     10     10
LAL.................1      1      1      1      1      1
HAINES INDEX........3      3      3      3      4      4

$$
FORECASTER...CL
REQUESTED BY...JAKE SCHEIB
TYPE OF REQUEST...PRESCRIBED
.TAG 20150428.MKGBU.01/PBZ


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