894
FNUS71 KBOX 190910
FWSBOX
SPOT FORECAST FOR WESTOVER AFRB FALL RX...US FISH AND WILDLIFE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
510 AM EDT SAT OCT 19 2019
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON OCTOBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE ACROSS THE REGION TODAY WILL SLOWLY PUSH EAST
TONIGHT. THE REMNANTS OF TROPICAL STORM NESTOR WILL BRING AN AREA
OF RAIN ACROSS THE REGION FROM MIDDAY SUNDAY THROUGH THE
AFTERNOON.
OUTLOOK FOR SUNDAY NIGHT THROUGH MONDAY...
LIGHT RAIN FROM THE REMNANTS OF NESTOR WILL LINGER SUNDAY EVENING
THEN WILL PUSH OFFSHORE WHILE THE REMNANT LOW LINGERS WELL SOUTH
OF CAPE COD MONDAY.
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF FROST EARLY IN
THE MORNING.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........44 PERCENT.
DEWPOINT............34 INCREASING TO 38 LATE IN THE AFTERNOON.
MIN APPARENT TEMP...37.
SURFACE WINDS.......LIGHT WINDS.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 1700-3200 FT AGL
EARLY.
TRANSPORT WINDS.....WEST 1 TO 7 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (300-19500 KNOT-FT).
LVORI...............4.
ADI.................3 INCREASING TO 11, THEN INCREASING TO 25 EARLY
DECREASING TO 15 LATE IN THE AFTERNOON.
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE
GROWTH.
CEILING (KFT).......25 DECREASING TO 14 EARLY, THEN INCREASING TO
25 IN THE LATE MORNING AND AFTERNOON.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 6 4 3 1 1 1 1 0 0 0
WEATHER COV.....ARS ARS
WEATHER TYPE....FST FST
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............37 37 41 46 50 53 56 58 59 59 58
DEWPOINT........32 32 34 35 35 36 36 36 37 37 39
RH..............82 82 76 65 56 52 47 44 44 44 49
HEAT INDEX (F)..37 37 41 45 49 53 56 58 59 59 58
20 FT WIND DIR..NW NW NW NW NW NW NW W W W W
20 FT WIND SPD..2 1 2 3 3 3 3 3 3 3 2
20 FT WIND GUST.6 6 7 8 8 9 9 9 8 8 7
SURFACE WND DIR.NW NW NW NW NW NW NW W W W W
SURFACE WND SPD.2 1 2 3 3 3 3 3 3 3 2
SURFACE WND GST.6 6 7 8 8 9 9 9 8 8 7
MIX HGT (KFT)...0.3 0.3 1.1 1.8 2.5 2.7 3.0 3.2 2.7 2.2 1.7
TRANSP WIND DIR.NW NW NW NW NW NW NW W W W W
TRANSP WIND SPD.2 1 3 5 7 7 7 7 7 6 6
LVORI...........5 5 4 3 2 2 2 2 2 2 2
ADI.............1 1 5 11 22 24 26 27 24 16 13
HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4
VRATE KT-FT/10001 0 3 7 15 17 18 20 16 11 9
CEILING (KFT)...25 14 25 25 25 25 25 25 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). AREAS OF FROST
EARLY IN THE MORNING.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........100 PERCENT.
DEWPOINT............37 DECREASING TO 32 AFTER MIDNIGHT.
MIN APPARENT TEMP...31.
SURFACE WINDS.......LIGHT WINDS.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......100-1200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 2 TO 5 MPH SHIFTING TO THE NORTHEAST
AROUND 2 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR (300 KNOT-FT).
LVORI...............7.
ADI.................2.
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE
GROWTH.
CEILING (KFT).......25.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 1 2 4 6 9 8 8 8 10 13 16
WEATHER COV..... ARS ARS ARS
WEATHER TYPE.... FST FST FST
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............54 49 45 42 40 38 36 34 33 32 32 31
DEWPOINT........39 39 39 38 38 37 36 34 33 32 32 31
RH..............57 68 79 86 92 96 100 100 100 100 100 100
HEAT INDEX (F)..54 49 45 42 40 38 36 34 33 32 32 31
20 FT WIND DIR..W W W W N N N N NE NE NE NE
20 FT WIND SPD..2 1 1 1 1 1 1 1 1 1 1 1
20 FT WIND GUST.6 5 5 3 3 3 2 2 2 2 2 2
SURFACE WND DIR.W W W W N N N N NE NE NE NE
SURFACE WND SPD.2 1 1 1 1 1 1 1 1 1 1 1
SURFACE WND GST.6 5 5 3 3 3 2 2 2 2 2 2
MIX HGT (KFT)...1.2 0.7 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1
TRANSP WIND DIR.W W W NW N NE NE NE NE NE NE NE
TRANSP WIND SPD.5 3 2 2 2 2 2 2 2 2 2 2
LVORI...........3 3 4 5 7 8 10 10 10 10 10 10
ADI.............2 2 1 1 1 1 1 1 1 1 1 1
HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4
VRATE KT-FT/10005 2 0 0 0 0 0 0 0 0 0 0
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). AREAS OF FROST
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN
LATE IN THE AFTERNOON. CHANCE OF RAIN LATE IN
THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 78 PERCENT LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........59 PERCENT.
DEWPOINT............31 INCREASING TO 42.
MIN APPARENT TEMP...31.
SURFACE WINDS.......LIGHT WINDS.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......100-1900 FT AGL INCREASING TO 600-2200 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 2 MPH SHIFTING TO THE SOUTH 2
TO 5 MPH AROUND NOON, THEN SHIFTING TO THE
NORTHEAST AROUND 3 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (300 KNOT-FT).
LVORI...............6.
ADI.................5 INCREASING TO 9 LATE IN THE AFTERNOON.
HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH TO MODERATE POTENTIAL FOR
LARGE PLUME DOMINATED FIRE GROWTH.
CEILING (KFT).......25 DECREASING TO 8.0.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........27 49 56 66 77 81
WEATHER COV.....AREAS AREAS S CHC
WEATHER TYPE....FROST FROST NONE NONE NONE RAIN
TSTM COV........
CWR.............0 0 0 0 80 80
TEMP............31 32 42 51 55 56
DEWPOINT........31 32 37 39 41 43
RH..............100 100 82 63 59 62
HEAT INDEX (F)..31 32 42 51 55 56
20 FT WIND......N 1 NE 1 E 1 SE 1 S 2 E 2
20 FT WIND GUST.2 2 3 5 7 6
SURFACE WIND....N 1 NE 1 E 1 SE 1 S 2 E 2
SURFACE WND GST.2 2 3 5 7 6
MIX HGT (FT)....100 200 900 1600 2200 1100
TRANSPORT WIND..NE 2 NE 2 SE 2 S 3 S 5 E 3
LVORI...........10 9 5 3 2 3
ADI.............1 2 3 7 13 5
HAINES INDEX....4 4 5 5 5 5
VRATE KT-FT/10000 0 2 5 9 3
CEILING (KFT)...25 20 20 20 15 9.0
FORECASTER...EVT
REQUESTED BY...MICHAEL GAWRONSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 1917536.0/BOX
.DELDT 10/19/19
.EMAIL MICHAEL_GAWRONSKI@FWS.GOV
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