Suppression Forecast
Issued by NWS Boston, MA

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FNUS71 KBOX 291146
FWSBOX

SPOT FORECAST FOR FREETOWN SF  NORTH TRACT...DCR FOREST FIRE CONTROL
NATIONAL WEATHER SERVICE TAUNTON MA
746 AM EDT FRI APR 29 2016

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 29. IF
CONDITIONS BECOME UNREPRESENTATIVE...PLEASE CONTACT THE NATIONAL
WEATHER SERVICE.

.DISCUSSION...

A PREVAILING E/SE FLOW THAT WILL INCREASE THROUGH THE DAY ACROSS
THE UPPER CAPE AS HIGH PRESSURE BUILDS ACROSS THE GULF OF MAINE
AND LOW PRESSURE APPROACHES FROM THE W. COOLER AIR ASHORE WILL
LIMIT MIXING HEIGHTS AT AROUND 3-4 KFT AND WITH ONSHORE FLOW OF
AROUND 10 TO 15 MPH WILL MAKE SMOKE DISPERSAL FAIR. CLOUDS IN
ABUNDANCE BUT CAN NOT RULE OUT SOME SUNSHINE MIXING IN. MINIMUM
RELATIVE HUMIDITIES FOR THE BURN SITE AROUND 40 TO 50 PERCENT.

OUTLOOK...SUNDAY THROUGH THURSDAY...

A RETURN TO UNSETTLED AND COOL WEATHER IS EXPECTED SUNDAY INTO
MONDAY AS LOW PRESSURE TRACKS SOUTH OF NEW ENGLAND. A DRYING TREND
FOLLOWS TUESDAY INTO WEDNESDAY...HOWEVER MORE UNSETTLED WEATHER IS
POSSIBLE BY THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........51 AT IGNITION...MAX 57.
RH..................50 PERCENT AT IGNITION...MIN 37 PERCENT.
WIND (20 FT)........WINDS EAST AT 9 MPH AT IGNITION...BECOMING
                    SOUTHEAST 10 TO 15 MPH THROUGH EARLY AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......3600 FT AGL AT IGNITION...OTHERWISE 2600-4500
                    FT AGL...INCREASING TO 3300-4900 FT AGL LATE.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR /28600 KNOT-FT/ AT IGNITION.
                    MAX...GOOD /31800 KNOT-FT/.

TIME (EDT)          10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).............75  70  65  60  55  60  64  68
WEATHER COV.........
WEATHER TYPE........
TSTM COV............
TEMP................51  53  54  55  56  56  55  55
RH..................50  44  43  41  38  37  38  38
20 FT WIND DIR......E   SE  SE  SE  SE  SE  SE  SE
20 FT WIND SPD......7   8   8   8   8   7   8   7
20 FT WIND GUST.....10  10  10  10  10  10  10  10
MIX HGT (KFT).......3.6 3.9 4.2 4.5 4.9 4.3 3.8 3.3
TRANSP WIND DIR.....E   E   E   E   E   E   E   E
TRANSP WIND SPD.....9   9   8   8   7   8   8   9
LVORI...............1   1   1   1   2   1   2   1
ADI.................32  34  31  32  28  31  29  31
CWR.................0   0   0   0   0   0   0   0
VRATE KT-FT/1000....29  31  30  32  29  30  27  26

.TONIGHT...

MIXING HEIGHT.......1000-2800 FT AGL...
                    DECREASING TO 800-1300 FT AGL LATE.
TRANSPORT WINDS.....EAST 3 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (2500-22100 KNOT-FT).

TIME (EDT)          6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
MIX HGT (KFT).......2.8 2.2 1.7 1.6 1.4 1.3 1.1 1.0 0.8 1.0 1.2 1.3
TRANSP WIND DIR.....E   E   E   E   E   E   E   E   E   E   E   E
TRANSP WIND SPD.....9   10  10  9   8   7   6   5   3   3   5   5
LVORI...............2   2   3   3   3   3   3   4   4   4   5   4
ADI.................28  7   7   6   5   3   3   2   2   2   2   2
VRATE KT-FT/1000....22  20  15  13  10  8   6   4   3   3   5   5

.SATURDAY...

MIXING HEIGHT.......1500-2900 FT AGL...
                    INCREASING TO 3300-5200 FT AGL EARLY.
TRANSPORT WINDS.....SOUTHEAST 5 TO 7 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (5900-26100 KNOT-FT).

TIME (EDT)          6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
MIX HGT (KFT).......1.5 1.6 1.8 2.4 2.9 3.5 4.1 4.7 5.2 4.6 4.0 3.3
TRANSP WIND DIR.....NE  NE  NE  NE  NE  E   E   E   E   E   E   SE
TRANSP WIND SPD.....5   6   6   6   6   6   6   6   6   6   7   7
LVORI...............4   3   3   2   2   2   2   2   2   2   2   2
ADI.................9   12  13  16  18  20  22  23  24  23  26  23
VRATE KT-FT/1000....6   8   9   12  15  18  20  23  26  23  24  20

$$

FORECASTER...SIPPRELL
REQUESTED BY...AARON J WHIDDON
TYPE OF REQUEST...PRESCRIBED
.TAG 20160429.FREET.01/BOX



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