National Weather Service Text Product
AFOS product FWSBOX
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: FWSBOX
Product Timestamp: 2023-05-13 22:54 UTC
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088
FNUS71 KBOX 132254
FWSBOX
Spot Forecast for Lynnwoods...Mass Forest Fire Control
National Weather Service Boston/Norton MA
654 PM EDT Sat May 13 2023
Forecast is based on forecast start time of 1900 EDT on May 13.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION... High pressure will bring dry conditions for Sunday
and Monday.
Minimum relative humidities away from the coasts expected remain
dry with readings ranging from 20 to 30 percent. Minimum relative
humidities will be higher for Cape Cod and the Islands ranging
from 35 to 50 percent for both Sunday and Tuesday.
.OUTLOOK...Tuesday through Thursday...
Dry conditions are expected to continue for Tuesday through
Thursday.
.REST OF TONIGHT...
Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
Min temperature.....Around 48.
Max humidity........56 percent.
Dewpoint............38 decreasing to 34 late in the night.
Max apparent temp...71.
Surface winds.......North winds 7 to 10 mph.
Wind (20 ft)........North winds 7 to 10 mph.
Mixing height.......600-1500 ft AGL.
Transport winds.....North 9 to 16 mph.
Smoke dispersal.....Poor to fair (4800-17900 knot-ft).
LVORI...............3.
ADI.................27 decreasing to 8 until just after midnight.
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).......20 increasing to 25 after midnight.
TIME (EDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5 8 7 5 4 4 3 4 4 4 6
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0
Temp............71 68 65 63 60 58 56 54 52 51 49
Dewpoint........39 40 39 38 38 38 38 37 36 35 34
RH..............31 36 38 39 44 47 51 52 54 54 56
Heat index (F)..71 68 65 63 60 58 56 54 52 51 46
20 FT wind dir..NW N N N N N N N N N N
20 FT wind spd..10 8 9 10 10 10 10 9 8 8 7
20 FT wind gust.14 10 14 16 16 15 14 14 13 12 10
Surface wnd dir.NW N N N N N N N N N N
Surface wnd spd.10 8 9 10 10 10 10 9 8 8 7
Surface wnd gst.14 10 14 16 16 15 14 14 13 12 10
Mix hgt (kft)...1.5 0.7 0.7 0.7 0.7 0.7 1.0 1.0 0.6 0.6 0.8
Transp wind dir.NW N N N N N N N N N N
Transp wind spd.14 12 14 16 16 15 15 12 9 9 10
LVORI...........2 2 2 2 2 2 2 2 2 2 3
ADI.............27 8 9 11 11 10 10 8 6 6 5
Haines index....5 5 5 5 5 4 4 4 4 4 5
VRate kt-ft/100018 7 8 10 10 9 13 10 5 5 8
Ceiling (kft)...20 20 20 25 25 25 25 25 25 25 25
.SUNDAY...
Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Max temperature.....Around 65.
Min humidity........31 percent.
Dewpoint............32.
Max apparent temp...64.
Surface winds.......Northwest winds 7 to 10 mph.
Wind (20 ft)........Northwest winds 7 to 10 mph.
Mixing height.......1000-2000 ft AGL increasing to 5700-6400 ft
AGL.
Transport winds.....Northwest 9 to 17 mph.
Smoke dispersal.....Poor to good (7700-48400 knot-ft) increasing to
excellent (63800 knot-ft) early.
LVORI...............2.
ADI.................12 increasing to 105.
Haines Index........5 moderate potential for large plume dominated
fire growth.
CEILING (KFT).......25 decreasing to 20 in the morning, then
increasing to 25 in the afternoon.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4 8 13 9 11 17 25 31 37 47 48 49
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............49 50 53 54 57 59 60 62 63 64 64 64
Dewpoint........33 33 32 32 32 31 32 32 32 33 33 33
RH..............54 52 44 43 38 34 35 32 31 31 31 31
Heat index (F)..46 47 53 54 57 59 60 62 63 64 64 64
20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT wind spd..7 8 9 9 9 10 10 10 10 10 10 10
20 FT wind gust.12 12 13 14 14 14 15 15 16 15 15 16
Surface wnd dir.NW NW NW NW NW NW NW NW NW NW NW NW
Surface wnd spd.7 8 9 9 9 10 10 10 10 10 10 10
Surface wnd gst.12 12 13 14 14 14 15 15 16 15 15 16
Mix hgt (kft)...1.0 2.0 3.2 3.4 4.0 4.9 5.1 5.7 6.3 6.3 6.4 6.3
Transp wind dir.N N NW N N NW NW NW NW NW NW NW
Transp wind spd.9 10 14 14 14 15 16 17 17 17 17 17
LVORI...........2 2 1 1 1 1 1 1 1 1 1 1
ADI.............12 27 54 57 67 85 94 105 105 105 105 105
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
VRate kt-ft/10008 18 38 41 48 64 71 85 95 94 96 94
Ceiling (kft)...25 20 20 20 20 20 25 25 25 25 25 25
.SUNDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Min temperature.....Around 47.
Max humidity........52 percent.
Dewpoint............32.
Max apparent temp...63.
Surface winds.......Northwest winds 7 to 10 mph.
Wind (20 ft)........Northwest winds 7 to 10 mph.
Mixing height.......2400-4300 ft AGL decreasing to 400-1400 ft AGL
until just after midnight.
Transport winds.....Northwest 12 to 16 mph.
Smoke dispersal.....Poor to good (9900-59800 knot-ft) decreasing to
poor (4200 knot-ft) around midnight.
LVORI...............2.
ADI.................82 decreasing to 8.
Haines Index........5 moderate 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 (%).........22 4 5 5 4 3 3 3 3 3 4 4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............63 62 59 57 56 55 53 52 51 50 49 49
Dewpoint........32 32 32 32 32 33 32 32 32 32 32 32
RH..............31 32 36 38 40 43 44 46 48 50 52 52
Heat index (F)..63 62 59 57 56 55 53 52 51 47 46 46
20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW W
20 FT wind spd..10 10 10 9 9 9 8 8 7 7 8 8
20 FT wind gust.15 15 15 14 14 14 13 12 10 10 12 12
Surface wnd dir.NW NW NW NW NW NW NW NW NW NW NW W
Surface wnd spd.10 10 10 9 9 9 8 8 7 7 8 8
Surface wnd gst.15 15 15 14 14 14 13 12 10 10 12 12
Mix hgt (kft)...4.3 2.4 1.4 1.0 0.8 0.5 0.5 0.5 0.4 0.4 0.4 0.4
Transp wind dir.N N N N N N N NW NW NW NW NW
Transp wind spd.16 14 13 15 15 14 13 13 12 12 12 12
LVORI...........1 1 2 2 2 2 2 2 2 2 2 2
ADI.............82 43 8 10 10 9 8 8 5 5 8 8
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
VRate kt-ft/100060 29 15 13 10 6 5 5 4 4 4 4
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
.MONDAY...
Sky/weather.........Sunny (20-30 percent) then becoming partly
sunny (55-65 percent).
CWR.................0 percent.
Max temperature.....Around 74.
Min humidity........25 percent.
Dewpoint............34.
Max apparent temp...73.
Surface winds.......West winds 8 to 14 mph.
Wind (20 ft)........West winds 8 to 14 mph.
Mixing height.......700-2100 ft AGL increasing to 5300-5400 ft AGL.
Transport winds.....West 12 to 21 mph increasing to around 22 mph
late in the afternoon.
Smoke dispersal.....Poor to good (6900-50600 knot-ft) increasing to
excellent (61500 knot-ft) in the afternoon.
LVORI...............2.
ADI.................15 increasing to 91.
Haines Index........6 high potential for large plume dominated fire
growth.
CEILING (KFT).......20.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5 6 6 10 13 17 18 19 20 33 45 58
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............50 52 54 58 62 66 68 70 71 72 73 73
Dewpoint........33 33 34 34 33 33 33 34 34 35 35 35
RH..............52 48 46 40 33 29 27 27 26 25 25 25
Heat index (F)..47 52 54 58 62 66 68 70 71 72 73 73
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..8 8 8 9 9 10 10 12 12 13 13 14
20 FT wind gust.12 13 13 13 14 14 15 16 17 18 21 22
Surface wnd dir.W W W W W W W W W W W W
Surface wnd spd.8 8 8 9 9 10 10 12 12 13 13 14
Surface wnd gst.12 13 13 13 14 14 15 16 17 18 21 22
Mix hgt (kft)...0.7 0.9 1.2 2.1 3.0 3.9 4.4 4.9 5.4 5.4 5.4 5.3
Transp wind dir.NW W W W W W W W W W W W
Transp wind spd.12 12 12 13 14 15 16 18 20 21 21 22
LVORI...........2 2 2 1 1 1 1 1 1 1 1 1
ADI.............12 14 18 34 51 70 84 75 84 88 88 93
Haines index....6 6 6 6 6 6 6 6 6 6 6 6
VRate kt-ft/10007 10 14 23 36 51 62 78 92 97 96 101
Ceiling (kft)...20 20 20 20 20 20 20 20 20 20 20 20
$$
Forecaster...GAF
Requested by...Benjamin Jennell
Type of request...WILDFIRE
.TAG 2312772.0/BOX
.DELDT 05/13/23
.EMAIL Ben.jennell@mass.gov