891
FNUS71 KBOX 091015
FWSBOX
SPOT FORECAST FOR MASHPEE...MASS DCR
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
615 AM EDT THU APR 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
SUNNY SKIES ARE EXPECTED TODAY. LIGHT SOUTHEAST WINDS EARLY THIS
MORNING BECOME SOUTH AT 10 TO 15 MPH THIS AFTERNOON WITH PERHAPS
A FEW GUSTS NEAR 20 MPH. HIGH TEMPERATURES WILL REACH THE LOWER
50S WITH MINIMUM AFTERNOON RELATIVE HUMIDITY VALUES ON THE ORDER
OF 25 TO 35 PERCENT. RELATIVE HUMIDITY VALUES WILL QUICKLY RECOVER
EARLY THIS EVENING AS TEMPERATURES DROP GIVEN THE DRY AIRMASS IN
PLACE.
REST OF TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........36 PERCENT.
DEWPOINT............27 DECREASING TO 25 EARLY, THEN INCREASING TO
28 LATE IN THE AFTERNOON.
MIN APPARENT TEMP...24.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH
THROUGH EARLY AFTERNOON, THEN SHIFTING TO THE
SOUTH 12 TO 14 MPH IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH
THROUGH EARLY AFTERNOON, THEN SHIFTING TO THE
SOUTH 12 TO 14 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 7 MPH SHIFTING TO THE SOUTH 8 TO 14
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (1600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (24900 KNOT-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................5 TO 33.
CEILING (KFT).......25.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 1 1 2 2 2 1 0 0 0 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............28 33 38 43 47 49 50 50 50 50 49
DEWPOINT........27 29 27 25 23 24 24 24 25 27 28
RH..............96 85 64 49 38 37 36 36 37 41 44
HEAT INDEX (F)..24 29 33 38 43 45 46 45 45 45 44
20 FT WIND DIR..SE SE SE SE S S S S S S S
20 FT WIND SPD..3 5 7 8 9 10 12 13 13 14 14
20 FT WIND GUST.6 6 8 9 12 15 16 18 18 20 16
SURFACE WND DIR.SE SE SE SE S S S S S S S
SURFACE WND SPD.3 5 7 8 9 10 12 13 13 14 14
SURFACE WND GST.6 6 8 9 12 15 16 18 18 20 16
MIX HGT (KFT)...0.4 1.4 1.8 2.2 2.3 2.3 2.2 2.1 2.0 2.1 2.0
TRANSP WIND DIR.E E SE SE S S S S S S S
TRANSP WIND SPD.5 6 7 8 9 10 12 13 13 14 14
LVORI...........7 4 2 2 2 2 2 1 1 2 2
ADI.............5 10 16 22 25 28 30 33 31 27 26
VRATE KT-FT/1K..2 7 11 15 18 20 22 23 22 25 24
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........100 PERCENT.
DEWPOINT............31 INCREASING TO 35 AFTER MIDNIGHT.
MIN APPARENT TEMP...30.
SURFACE WINDS (MPH).SOUTH WINDS 5 TO 13 MPH.
WIND (20 FT)........SOUTH WINDS 5 TO 13 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 14 MPH.
SMOKE DISPERSAL.....FAIR (21100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3300 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............6.
ADI.................5 TO 30.
CEILING (KFT).......25 DECREASING TO 20 AFTER MIDNIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 1 3 11 19 28 30 32 33 41 48 56
WEATHER COV..... PTY PTY PTY PTY PTY
WEATHER TYPE.... FOG FOG FOG FOG FOG
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............46 44 41 40 39 38 38 37 37 36 36 35
DEWPOINT........29 31 32 33 34 35 35 36 36 36 36 35
RH..............51 60 70 76 82 89 89 96 96 100 100 100
HEAT INDEX (F)..40 38 34 34 33 33 33 32 32 30 31 31
20 FT WIND DIR..S S S S S S S S SW SW SW SW
20 FT WIND SPD..13 12 12 9 8 7 7 7 7 7 6 5
20 FT WIND GUST.15 15 14 13 12 12 12 12 10 10 10 9
SURFACE WND DIR.S S S S S S S S SW SW SW SW
SURFACE WND SPD.13 12 12 9 8 7 7 7 7 7 6 5
SURFACE WND GST.15 15 14 13 12 12 12 12 10 10 10 9
MIX HGT (KFT)...1.9 0.9 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.5 0.5 0.5
TRANSP WIND DIR.S S S S S S S SW SW SW SW SW
TRANSP WIND SPD.13 14 13 10 10 12 12 12 10 9 8 8
LVORI...........2 3 3 4 4 6 6 7 7 9 9 9
ADI.............30 9 8 7 7 5 5 5 5 6 5 5
VRATE KT-FT/1K..21 11 8 6 6 6 6 6 5 4 3 3
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 25 25 25 25 20 20 20 20 20 20
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........54 PERCENT.
DEWPOINT............35 DECREASING TO 33 EARLY.
MIN APPARENT TEMP...30.
SURFACE WINDS (MPH).SOUTHWEST WINDS 6 TO 15 MPH INCREASING TO 16 TO
17 MPH WITH GUSTS TO AROUND 32 MPH IN THE
AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 17 MPH WITH GUSTS TO
AROUND 32 MPH.
MIXING HEIGHT.......1600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 17 MPH INCREASING TO 18 TO 22
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (26700 KNOT-FT) IN THE
AFTERNOON.
LVORI...............5.
ADI.................8 TO 34.
CEILING (KFT).......20 DECREASING TO 15 EARLY IN THE AFTERNOON,
THEN INCREASING TO 20 LATE IN THE AFTERNOON
INCREASING TO 25 LATE IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........49 43 37 37 36 36 31 26 21 20 20 20
WEATHER COV.....PTY PTY PTY
WEATHER TYPE....FOG FOG FOG
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............35 36 37 40 43 45 47 49 50 50 50 49
DEWPOINT........35 36 37 35 34 32 33 33 34 34 35 35
RH..............100 100 100 82 70 60 58 54 54 54 56 58
HEAT INDEX (F)..30 30 31 33 37 39 41 43 44 44 44 43
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..6 7 8 10 12 13 15 16 17 17 17 17
20 FT WIND GUST.10 12 13 15 16 18 21 23 25 28 30 32
SURFACE WND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
SURFACE WND SPD.6 7 8 10 12 13 15 16 17 17 17 17
SURFACE WND GST.10 12 13 15 16 18 21 23 25 28 30 32
MIX HGT (KFT)...0.5 0.6 1.0 1.3 1.5 1.5 1.6 1.6 1.5 1.5 1.4 1.3
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.8 10 12 14 15 17 18 18 20 21 21 22
LVORI...........8 7 5 3 3 1 1 1 1 1 1 1
ADI.............8 11 15 23 28 34 31 31 32 34 33 33
VRATE KT-FT/1K..4 5 10 15 19 23 25 25 26 27 26 25
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...20 20 20 20 20 20 20 15 15 20 20 25
FORECASTER...JWD
REQUESTED BY...JOSH NIGRO
TYPE OF REQUEST...PRESCRIBED
.TAG 2609722.0/BOX
.DELDT 04/09/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSH.NIGRO@MASS.GOV
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