Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
102
FNUS71 KBOX 141309
FWSBOX
Spot Forecast for Sharpners...North Andover Fire
National Weather Service Boston/Norton MA
809 AM EST Thu Nov 14 2024
Forecast is based on forecast start time of 0800 EST on November 14.
If conditions become unrepresentative, contact the National
Weather Service.
...ELEVATED FIRE WEATHER CONCERNS TODAY IN MASSACHUSETTS...
.DISCUSSION...
For northeast Massachusetts dry conditions continue today with
minimum relative humidity values around 25 percent Thursday
afternoon. Wind direction are from the north to northeast with
gusts up to 20 mph.
Overnight, humidity values recover to 55 percent, and wind
direction from the north/northwest between 5 and 10 mph.
...Possible Red Flag Conditions Friday...
Anticipate lower humidity and stronger winds on Friday across the
region. For northeast Massachusetts, minimum relative humidity
values range from 20 to 25 percent. Wind direction are from the
northwest with gusts up to 25 mph.
.OUTLOOK...Saturday through Wednesday
No end to the dry weather pattern. Gusty winds and low humidity
again Saturday. Sunday will see weaker winds, but still a very
dry airmass. Slightly higher minimum relative humidity values in
the 45 to 60 percent range are expected for early next week.
.REST OF TODAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 46.
Min humidity........26 percent.
Dewpoint............14 decreasing to 11 late in the afternoon.
Min apparent temp...24.
Surface winds (mph).North winds 5 to 7 mph through early afternoon
becoming light.
Wind (20 ft)........North winds 5 to 7 mph through early afternoon
becoming light.
Mixing height.......2900 ft AGL.
Transport winds.....North 6 to 14 mph.
Smoke dispersal.....Poor (2100 knot-ft) early in the morning
increasing to fair (29200 knot-ft) in the
afternoon.
LVORI...............2.
ADI.................18 to 27 increasing to 30 to 36 around noon,
then decreasing to 3 late in the afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
CEILING (KFT).......25.
Eye level winds.....North winds up to 4 mph through early afternoon
becoming light.
TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4 5 6 6 6 6 7 7 8 10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0
Temp............31 34 38 42 44 45 45 44 42 39
Dewpoint........15 15 16 15 14 13 12 12 11 11
RH..............51 45 40 33 29 27 26 27 28 31
Heat index (F)..24 28 33 38 41 41 41 41 39 37
20 FT wind dir..N N N N NE NE NE NE N N
20 FT wind spd..7 7 7 7 6 7 7 6 5 3
20 FT wind gust.14 15 15 14 14 13 13 10 9 8
Eye lvl wnd dir.N N N N NE NE NE NE N N
Eye lvl wnd spd.4 4 4 4 4 4 4 4 3 2
Eye lvl wnd gst.8 9 9 8 8 8 8 6 5 5
Surface wnd dir.N N N N NE NE NE NE N N
Surface wnd spd.7 7 7 7 6 7 7 6 5 3
Surface wnd gst.14 15 15 14 14 13 13 10 9 8
Mix hgt (kft)...1.1 1.7 2.3 2.8 2.9 2.9 2.6 2.2 0.6 0.4
Transp wind dir.N N N N N N N N N N
Transp wind spd.14 13 13 12 12 12 12 12 7 6
LVORI...........2 2 1 1 1 1 1 1 2 2
ADI.............18 27 34 35 36 36 34 30 3 3
Haines index....4 4 4 4 4 4 4 4 4 4
Vrate kt-ft/1K..13 19 25 28 29 29 26 22 4 2
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25
.TONIGHT...
Sky/weather.........Mostly clear.
CWR.................0 percent.
Min temperature.....Around 25.
Max humidity........57 percent.
Dewpoint............11.
Min apparent temp...19.
Surface winds (mph).Light winds becoming north around 5 mph after
midnight.
Wind (20 ft)........North winds around 5 mph early in the evening
becoming light, then becoming north around 5
mph after midnight.
Mixing height.......400 ft AGL.
Transport winds.....North 6 to 10 mph.
Smoke dispersal.....Poor (1800 knot-ft).
LVORI...............3.
ADI.................3 to 5.
Haines Index........4 or low potential for large plume dominated
fire growth.
CEILING (KFT).......25.
Eye level winds.....Light winds becoming north around 3 mph after
midnight.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........12 14 17 21 24 28 31 35 32 29 26 23
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............36 34 32 31 31 30 29 29 28 28 27 25
Dewpoint........12 12 12 11 11 11 12 12 12 11 11 11
RH..............36 39 43 43 43 44 48 48 50 48 50 55
Heat index (F)..33 31 29 28 26 25 24 24 23 23 22 19
20 FT wind dir..N N N N N N N N N NW NW NW
20 FT wind spd..3 3 3 3 5 5 5 5 5 5 5 5
20 FT wind gust.8 7 8 7 8 8 8 9 9 9 9 10
Eye lvl wnd dir.N N N N N N N N N NW NW NW
Eye lvl wnd spd.2 2 2 2 3 3 3 3 3 3 3 3
Eye lvl wnd gst.5 4 5 4 5 5 5 5 5 5 5 6
Surface wnd dir.N N N N N N N N N NW NW NW
Surface wnd spd.3 3 3 3 5 5 5 5 5 5 5 5
Surface wnd gst.8 7 8 7 8 8 8 9 9 9 9 10
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.N N N N N N N N N N N N
Transp wind spd.6 7 9 9 9 9 9 10 9 10 10 9
LVORI...........2 2 2 2 2 2 2 2 2 2 2 3
ADI.............3 3 4 4 4 4 4 5 4 5 5 4
Haines index....4 4 4 4 4 4 4 4 4 4 4 4
Vrate kt-ft/1K..2 2 3 3 3 3 3 3 3 3 3 3
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
.FRIDAY...
Sky/weather.........Mostly sunny.
CWR.................0 percent.
Max temperature.....Around 54.
Min humidity........24 percent.
Dewpoint............14 increasing to 19 late in the afternoon.
Min apparent temp...18.
Surface winds (mph).Northwest winds 6 to 9 mph. Gusts up to 20 mph
early in the afternoon.
Wind (20 ft)........Northwest winds 6 to 9 mph. Gusts up to 20 mph
early in the afternoon.
Mixing height.......2200 ft AGL.
Transport winds.....Northwest 10 to 17 mph.
Smoke dispersal.....Poor (3100 knot-ft) early in the morning
increasing to good (32700 knot-ft) in the
afternoon.
LVORI...............2.
ADI.................5 to 12 increasing to 21 to 30, then increasing
to 37 to 45 early in the afternoon decreasing
to 26 to 30 early in the afternoon decreasing
to 13.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
CEILING (KFT).......25 decreasing to 6.0.
Eye level winds.....Northwest winds up to 5 mph. Gusts up to 20 mph
early in the afternoon.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20 17 15 13 11 23 35 47 51 55 59 61
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............25 27 32 38 43 46 49 51 53 50 49 48
Dewpoint........12 12 12 12 12 13 15 16 17 18 19 21
RH..............57 53 43 34 28 26 25 24 24 28 30 34
Heat index (F)..18 20 26 34 39 42 46 51 53 46 46 44
20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT wind spd..6 6 6 6 6 7 8 9 9 9 8 8
20 FT wind gust.10 12 13 13 14 16 17 20 20 18 18 18
Eye lvl wnd dir.NW NW NW NW NW NW NW NW NW NW NW NW
Eye lvl wnd spd.4 4 4 4 4 4 5 5 5 5 5 5
Eye lvl wnd gst.6 7 8 8 8 10 10 12 12 11 11 11
Surface wnd dir.NW NW NW NW NW NW NW NW NW NW NW NW
Surface wnd spd.6 6 6 6 6 7 8 9 9 9 8 8
Surface wnd gst.10 12 13 13 14 16 17 20 20 18 18 18
Mix hgt (kft)...0.3 0.3 0.5 0.9 1.2 1.5 1.9 2.2 1.8 1.5 1.2 1.1
Transp wind dir.NW N NW NW N N NW NW NW N N N
Transp wind spd.10 10 10 13 14 15 16 17 16 16 15 15
LVORI...........3 2 2 2 2 2 1 1 2 2 2 2
ADI.............5 8 8 12 21 30 37 45 30 26 13 13
Haines index....4 4 4 4 4 4 4 4 4 3 3 3
Vrate kt-ft/1K..3 3 5 10 15 20 26 33 26 21 15 14
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 20 14 10 6.0 6.0
$$
Forecaster...Dooley
Requested by...Deputy Rowe
Type of request...WILDFIRE
.TAG 2426552.0/BOX
.DELDT 11/14/24
.FormatterVersion 2.0.0
.EMAIL growe@nafd.us