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Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
000
FNUS71 KBOX 231807
FWSBOX
Spot Forecast for Savery Rd Wildfire...MA-DCR Fire Control
National Weather Service Boston/Norton MA
207 PM EDT Tue Apr 23 2024
Forecast is based on forecast start time of 1500 EDT on April 23.
If conditions become unrepresentative, contact the National
Weather Service.
.DISCUSSION...
...Dry Weather and Blustery Conditions Continue Today...
South winds 10 to 15 mph with gusts up to 25 mph. A cold front
will bring another round of showers, with perhaps a few
thunderstorms on Wednesday. Wetting rainfall is likely Wednesday.
Minimum relative humidities will be around 25 to 45 percent today
and between 45 and 55 percent on Wednesday.
.OUTLOOK...Thursday through Sunday...
Dry on Thursday, but winds will be lighter. High pressure keeps
us dry as we head into Saturday, with increasing chances for rain
Saturday night and Sunday.
.REST OF TODAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 55.
Min humidity........38 percent.
Dewpoint............28.
Max apparent temp...53.
Surface winds (mph).Southeast winds around 10 mph.
Wind (20 ft)........South winds around 10 mph.
Mixing height.......2800 ft AGL.
Transport winds.....South 12 to 15 mph.
Smoke dispersal.....Fair (27800 knot-ft) early in the morning
increasing to good (30500 knot-ft) in the
afternoon.
LVORI...............1.
ADI.................35 to 41.
Haines Index........4 or low potential for large plume dominated
fire growth.
CEILING (KFT).......25.
Eye level winds.....Southeast winds around 6 mph.
TIME (EDT) 3PM 4PM 5PM
Sky (%).........2 1 0
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0
Temp............53 52 51
Dewpoint........28 29 29
RH..............38 41 42
Heat index (F)..53 52 51
20 FT wind dir..SE S S
20 FT wind spd..10 10 10
20 FT wind gust.13 13 14
Eye lvl wnd dir.SE S S
Eye lvl wnd spd.6 6 6
Eye lvl wnd gst.8 8 8
Surface wnd dir.SE S S
Surface wnd spd.10 10 10
Surface wnd gst.13 13 14
Mix hgt (kft)...2.8 2.5 2.3
Transp wind dir.S S S
Transp wind spd.12 14 15
LVORI...........1 1 1
ADI.............35 40 41
Haines index....4 4 4
Vrate kt-ft/1K..28 31 30
Ventrate Cat....PR PR PR
Ceiling (kft)...25 25 25
.TONIGHT...
Sky/weather.........Mostly clear.
CWR.................0 percent.
Min temperature.....Around 39.
Max humidity........82 percent.
Dewpoint............31 increasing to 34 in the late evening and
overnight.
Min apparent temp...36.
Surface winds (mph).South winds 5 to 10 mph.
Wind (20 ft)........South winds 5 to 10 mph.
Mixing height.......200 ft AGL.
Transport winds.....South 8 to 14 mph.
Smoke dispersal.....Fair (22100 knot-ft) early in the evening
decreasing to poor (1500 knot-ft) late in the
night.
LVORI...............3.
ADI.................32 decreasing to 4 to 8.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
CEILING (KFT).......25 decreasing to 20 after midnight.
Eye level winds.....South winds up to 6 mph.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1 1 2 3 5 7 15 22 30 30 30 30
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............49 47 45 43 42 41 40 40 39 40 40 41
Dewpoint........29 30 33 34 35 34 34 34 34 34 34 34
RH..............46 51 62 70 76 76 79 79 82 79 79 76
Heat index (F)..45 43 42 39 39 38 37 37 36 36 36 36
20 FT wind dir..S S S S S S S S S S S S
20 FT wind spd..10 8 6 6 5 5 5 5 5 6 6 7
20 FT wind gust.15 14 14 13 10 9 9 10 13 13 14 15
Eye lvl wnd dir.S S S S S S S S S S S S
Eye lvl wnd spd.6 5 4 4 3 3 3 3 3 4 4 4
Eye lvl wnd gst.9 8 8 8 6 5 5 6 8 8 8 9
Surface wnd dir.S S S S S S S S S S S S
Surface wnd spd.10 8 6 6 5 5 5 5 5 6 6 7
Surface wnd gst.15 14 14 13 10 9 9 10 13 13 14 15
Mix hgt (kft)...1.8 1.4 0.9 0.7 0.6 0.4 0.4 0.3 0.2 0.2 0.2 0.2
Transp wind dir.S S S S SW SW SW S S S S S
Transp wind spd.14 13 12 10 9 8 8 8 8 9 9 10
LVORI...........1 2 3 3 4 4 4 4 3 3 3 3
ADI.............32 8 5 5 4 4 4 4 4 4 4 5
Haines index....4 4 4 4 4 4 4 3 3 3 3 3
Vrate kt-ft/1K..22 15 9 7 5 3 3 2 2 2 2 2
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 20 20 20 20 20
.WEDNESDAY...
Sky/weather.........Partly sunny then becoming cloudy then becoming
partly sunny. Slight chance of rain late in the
morning. Chance of rain early.
CWR.................7 percent increasing to 17 percent late in the
afternoon.
Max temperature.....Around 57.
Min humidity........56 percent.
Dewpoint............33 increasing to 45.
Min apparent temp...36.
Surface winds (mph).Southwest winds 8 to 15 mph shifting to the
west late in the afternoon.
Wind (20 ft)........South winds around 8 mph shifting to the west
around 10 mph late in the afternoon.
Mixing height.......1500 ft AGL.
Transport winds.....South 13 to 22 mph shifting to the west 16 to
17 mph late in the afternoon.
Smoke dispersal.....Poor (3300 knot-ft) early in the morning
increasing to fair (26800 knot-ft) in the
afternoon.
LVORI...............2.
ADI.................12 to 20 increasing to 23 to 31 late in the
morning, then increasing to 28 to 34 early in
the afternoon decreasing to 18 to 20 late in
the afternoon.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
CEILING (KFT).......15 decreasing to 12 early, then decreasing to
9.0 late in the morning decreasing to 6.0
decreasing to 3.5 decreasing to 2.5 early in
the afternoon decreasing to 2.0 increasing to
2.5 late in the afternoon increasing to 3.5
increasing to 5.0 late in the afternoon.
Eye level winds.....Southwest winds 5 to 9 mph shifting to the west
late in the afternoon.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........44 58 73 81 90 99 94 90 86 77 67 58
Weather cov..... SCH SCH CHC CHC CHC CHC CHC CHC CHC
Weather type.... RN RN RN RN RN RN RN RN RN
Tstm cov........
CWR.............0 0 10 10 10 10 10 10 20 20 20 20
Temp............41 42 45 48 49 50 51 52 53 54 54 54
Dewpoint........33 32 32 33 35 39 43 45 46 46 46 46
RH..............73 67 60 56 58 66 74 77 77 74 74 74
Heat index (F)..36 36 39 43 44 45 51 52 53 54 54 54
20 FT wind dir..S S S S S S SW SW SW SW W W
20 FT wind spd..8 9 12 13 14 14 15 13 10 10 10 10
20 FT wind gust.15 17 20 21 21 21 20 18 17 17 17 17
Eye lvl wnd dir.S S S S S S SW SW SW SW W W
Eye lvl wnd spd.5 5 7 8 8 8 9 8 6 6 6 6
Eye lvl wnd gst.9 10 12 13 13 13 12 11 10 10 10 10
Surface wnd dir.S S S S S S SW SW SW SW W W
Surface wnd spd.8 9 12 13 14 14 15 13 10 10 10 10
Surface wnd gst.15 17 20 21 21 21 20 18 17 17 17 17
Mix hgt (kft)...0.3 0.4 0.5 0.6 0.8 0.9 1.1 1.3 1.5 1.2 0.9 0.5
Transp wind dir.S S S S SW SW SW SW SW SW W W
Transp wind spd.13 16 18 21 22 24 23 22 21 20 17 16
LVORI...........3 3 2 2 2 2 1 3 3 3 3 3
ADI.............13 12 20 23 24 28 31 33 34 28 20 18
Haines index....3 4 4 4 4 4 4 3 3 3 3 3
Vrate kt-ft/1K..3 6 8 12 14 18 22 24 27 20 13 8
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...15 15 12 9.0 6.0 3.5 3.5 2.5 2.0 2.5 3.5 5.0
$$
Forecaster...Belk
Requested by...Karyn Lothrop
Type of request...WILDFIRE
.TAG 2412016.0/BOX
.DELDT 04/23/24
.FormatterVersion 2.0.0
.EMAIL karyn.lothrop@mass.gov
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