269
FNUS71 KBOX 171102
FWSBOX
SPOT FORECAST FOR CPED-RX-BA7-20250417-01...MASSACHUSETTS ARMY NATIONAL GUARD
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
702 AM EDT THU APR 17 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH TODAY. DRY, WITH
MINIMUM RELATIVE HUMIDITY 30-35 PERCENT. WINDS DIMINISH TONIGHT.
DRY CONDITIONS SHOULD CONTINUE INTO FRIDAY, WITH SOUTHWEST WINDS
OF 10 TO 15 MPH.
REST OF TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........32 PERCENT.
DEWPOINT............30 DECREASING TO 26 LATE IN THE AFTERNOON.
MAX APPARENT TEMP...55.
SURFACE WINDS (MPH).WEST WINDS 9 TO 10 MPH.
WIND (20 FT)........WEST WINDS 9 TO 10 MPH.
MIXING HEIGHT.......4900 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 21 MPH.
SMOKE DISPERSAL.....GOOD (46600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (87600 KNOT-FT) IN THE
AFTERNOON.
LVORI...............1.
ADI.................58 TO 60 INCREASING TO 68 TO 72 EARLY IN THE
AFTERNOON, THEN INCREASING TO 77 TO 79 EARLY IN
THE AFTERNOON DECREASING TO 68 LATE IN THE
AFTERNOON INCREASING TO 85.
CEILING (KFT).......20 INCREASING TO 25 LATE IN THE AFTERNOON.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 22 15 10 9 5 8 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
TEMP............46 48 51 52 54 54 54 55
DEWPOINT........30 32 32 31 31 29 28 26
RH..............53 54 48 44 41 38 36 32
HEAT INDEX (F)..41 44 51 52 54 54 54 55
20 FT WIND DIR..W W W W W W W W
20 FT WIND SPD..9 9 9 10 10 10 10 10
20 FT WIND GUST.16 16 16 17 18 18 18 17
SURFACE WND DIR.W W W W W W W W
SURFACE WND SPD.9 9 9 10 10 10 10 10
SURFACE WND GST.16 16 16 17 18 18 18 17
MIX HGT (KFT)...2.9 3.5 3.9 4.4 4.8 4.5 4.0 4.9
TRANSP WIND DIR.W W W W W W W NW
TRANSP WIND SPD.18 17 18 18 20 20 18 21
LVORI...........1 1 1 1 1 1 1 1
ADI.............58 60 68 72 79 77 68 85
VRATE KT-FT/1K..47 52 63 70 81 77 64 88
VENTRATE CAT....FR FR GD GD GD GD GD GD
CEILING (KFT)...20 20 20 20 20 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........78 PERCENT.
DEWPOINT............27.
MIN APPARENT TEMP...32.
SURFACE WINDS (MPH).WEST WINDS 5 TO 9 MPH IN THE EVENING BECOMING
LIGHT.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 13 TO 20 MPH DECREASING TO 7 TO 10
MPH AROUND MIDNIGHT.
SMOKE DISPERSAL.....GOOD (56400 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1600 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................66 DECREASING TO 3 TO 7.
CEILING (KFT).......25 DECREASING TO 20 AFTER MIDNIGHT, THEN
INCREASING TO 25 EARLY IN THE MORNING.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........2 5 3 3 14 20 15 10 6 4 3 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............51 49 47 44 43 41 40 39 37 36 35 35
DEWPOINT........26 27 28 28 29 29 29 29 29 28 28 28
RH..............37 42 47 53 57 62 64 67 72 72 75 75
HEAT INDEX (F)..51 46 44 41 40 38 37 37 34 33 32 35
20 FT WIND DIR..W W W W W NW W W W W W W
20 FT WIND SPD..9 7 7 6 5 5 5 3 3 3 3 2
20 FT WIND GUST.16 14 13 12 10 10 9 8 8 7 6 6
SURFACE WND DIR.W W W W W NW W W W W W W
SURFACE WND SPD.9 7 7 6 5 5 5 3 3 3 3 2
SURFACE WND GST.16 14 13 12 10 10 9 8 8 7 6 6
MIX HGT (KFT)...3.3 1.5 0.8 0.6 0.5 0.5 0.4 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.NW NW NW W W NW NW NW NW NW W NW
TRANSP WIND SPD.20 16 15 13 13 10 9 8 8 8 8 7
LVORI...........1 2 2 3 3 3 3 3 3 3 4 4
ADI.............66 7 7 6 6 5 4 4 4 4 4 3
VRATE KT-FT/1K..56 21 10 7 6 5 3 2 2 2 2 2
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 25 25 25 25 25 20 20 20 25 25
FRIDAY
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........41 PERCENT.
DEWPOINT............31 INCREASING TO 34 LATE IN THE AFTERNOON.
MIN APPARENT TEMP...35.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTHWEST 5 TO 14 MPH IN
THE LATE MORNING AND AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 14 MPH EARLY IN THE
MORNING BECOMING LIGHT, THEN BECOMING SOUTHWEST
5 TO 14 MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 15 MPH INCREASING TO SOUTHWEST 18 TO
24 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (42300 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................6 TO 14 INCREASING TO 29, THEN INCREASING TO 48
TO 55 EARLY INCREASING TO 55 TO 60 EARLY IN THE
AFTERNOON DECREASING TO 38 TO 41.
CEILING (KFT).......25 DECREASING TO 13.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........2 1 15 28 42 60
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............35 40 50 53 54 53
DEWPOINT........29 30 31 31 31 33
RH..............78 67 48 43 41 46
HEAT INDEX (F)..35 38 48 53 54 53
20 FT WIND......W 2 W 3 SW 6 SW 9 SW 13 SW 14
20 FT WIND GUST.6 6 12 16 22 23
SURFACE WIND....W 2 W 3 SW 6 SW 9 SW 13 SW 14
SURFACE WND GST.6 6 12 16 22 23
MIX HGT (FT)....200 500 2000 2400 2000 1600
TRANSPORT WIND..W 7 W 6 SW 12 SW 18 SW 24 SW 24
LVORI...........4 3 2 1 1 1
ADI.............7 6 29 51 60 41
VRATE KT-FT/1K..2 2 20 38 42 34
VENTRATE CAT....POOR POOR POOR POOR FAIR POOR
CEILING (KFT)...25 25 25 25 20 20
FORECASTER...BELK
REQUESTED BY...JOEL CARLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2510842.0/BOX
.DELDT 04/17/25
.FORMATTERVERSION 2.0.0
.EMAIL JOEL.CARLSON@MASS.GOV
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