411
FNUS71 KBOX 122139
FWSBOX
SPOT FORECAST FOR MIDDLETON BRUSH FIRE...MEMA
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
539 PM EDT WED MAR 12 2025
FORECAST IS BASED ON FORECAST START TIME OF 1800 EDT ON MARCH 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
FAIRLY DRY CONDITIONS ARE EXPECTED FOR NORTHEASTERN MASSACHUSETTS
EXCEPT FOR A SLIGHT CHANCE FOR A FEW WIDELY SCATTERED RAIN/SNOW
SHOWERS TONIGHT INTO THURSDAY MORNING. DRY CONDITIONS PREVAIL
THURSDAY AFTERNOON THROUGH FRIDAY.
EASTERLY WINDS TONIGHT DECREASE FROM 5 TO 10 MPH TO 3 TO 5 MPH.
WINDS SHIFT FROM THE EAST TO THE SOUTHWEST THURSDAY, INCREASING
TO BETWEEN 5 TO 10 MPH. WINDS SHIFT TO THE NORTHEAST THURSDAY
NIGHT, DROPPING TO 3 TO 5 MPH. EASTERLY WINDS CONTINUE FRIDAY
WITH SPEEDS RANGING FROM 5 TO 10 MPH.
MAXIMUM RELATIVE HUMIDITY OVERNIGHT IS BETWEEN 80 AND 85 PERCENT.
MINIMUM RELATIVE HUMIDITY FOR THURSDAY IS BETWEEN 45 TO 50
PERCENT. MINIMUM RELATIVE HUMIDITY VALUES ON FRIDAY ARE 60 TO 65
PERCENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 29.
MAX HUMIDITY........88 PERCENT.
DEWPOINT............17 INCREASING TO 26.
MIN APPARENT TEMP...23.
SURFACE WINDS (MPH).EAST WINDS 5 TO 9 MPH.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 9 MPH.
SMOKE DISPERSAL.....FAIR (14100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2400 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............4.
ADI.................3 TO 6.
CEILING (KFT).......13 DECREASING TO 6.0.
EYE LEVEL WINDS.....EAST WINDS UP TO 5 MPH.
TIME (EDT) 6 PM 10 PM 2 AM
SKY (%).........68 96 91
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CWR.............0 0 0
TEMP............42 34 31
DEWPOINT........16 21 26
RH..............34 58 81
HEAT INDEX (F)..38 30 23
20 FT WIND......E 6G10 E 5G9 E 9G18
EYE LEVEL WIND..E 4G6 E 3G5 E 5G11
SURFACE WIND....E 6G10 E 5G9 E 9G18
MIX HGT (FT)....2400 1400 900
TRANSPORT WIND..NE 7 E 8 E 9
LVORI...........2 3 4
ADI.............5 5 5
VRATE KT-FT/1K..14 10 7
VENTRATE CAT....POOR POOR POOR
CEILING (KFT)...15 10 8.0
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 44.
MIN HUMIDITY........50 PERCENT.
DEWPOINT............26.
MIN APPARENT TEMP...25.
SURFACE WINDS (MPH).EAST WINDS 5 TO 8 MPH.
WIND (20 FT)........EAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......3400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 13 MPH.
SMOKE DISPERSAL.....POOR (3400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (37800 KNOT-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................4 TO 9 INCREASING TO 31 TO 40.
CEILING (KFT).......6.0 DECREASING TO 5.0 UNTIL LATE AFTERNOON,
THEN INCREASING TO 6.0 LATE IN THE AFTERNOON
INCREASING TO 7.0 LATE IN THE AFTERNOON
INCREASING TO 8.0.
EYE LEVEL WINDS.....EAST WINDS UP TO 5 MPH.
TIME (EDT) 6 AM 10 AM 2 PM
SKY (%).........88 88 74
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CWR.............0 0 0
TEMP............30 37 42
DEWPOINT........27 25 27
RH..............88 61 55
HEAT INDEX (F)..25 32 37
20 FT WIND......E 5G8 E 7G13 SE 8G16
EYE LEVEL WIND..E 3G5 E 4G8 SE 5G10
SURFACE WIND....E 5G8 E 7G13 SE 8G16
MIX HGT (FT)....700 2500 3400
TRANSPORT WIND..E 6 E 12 SE 13
LVORI...........6 2 1
ADI.............4 25 32
VRATE KT-FT/1K..3 25 38
VENTRATE CAT....POOR POOR POOR
CEILING (KFT)...6.0 5.0 5.0
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 31.
MAX HUMIDITY........96 PERCENT.
DEWPOINT............29.
MIN APPARENT TEMP...26.
SURFACE WINDS (MPH).EAST WINDS 5 TO 7 MPH IN THE EVENING BECOMING
LIGHT, THEN BECOMING NORTHEAST 5 TO 8 MPH AFTER
MIDNIGHT BECOMING LIGHT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH IN THE EVENING BECOMING
LIGHT, THEN BECOMING NORTHEAST 5 TO 8 MPH AFTER
MIDNIGHT BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 12 MPH SHIFTING TO THE NORTHEAST 5 TO
8 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....FAIR (21700 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1500 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............5.
ADI.................2 TO 8.
CEILING (KFT).......9.0 INCREASING TO 10 EARLY, THEN DECREASING TO
9.0 DECREASING TO 7.0 DECREASING TO 5.0
DECREASING TO 3.5 EARLY IN THE MORNING.
EYE LEVEL WINDS.....EAST WINDS UP TO 4 MPH IN THE EVENING BECOMING
LIGHT, THEN BECOMING NORTHEAST UP TO 5 MPH
AFTER MIDNIGHT BECOMING LIGHT.
TIME (EDT) 6 PM 10 PM 2 AM
SKY (%).........74 62 73
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CWR.............0 0 0
TEMP............40 35 33
DEWPOINT........27 30 31
RH..............59 82 92
HEAT INDEX (F)..35 31 26
20 FT WIND......SE 7G14 E 5G8 NE 8G15
EYE LEVEL WIND..SE 4G8 E 3G5 NE 5G9
SURFACE WIND....SE 7G14 E 5G8 NE 8G15
MIX HGT (FT)....2200 800 500
TRANSPORT WIND..SE 12 E 6 NE 8
LVORI...........3 5 6
ADI.............8 4 4
VRATE KT-FT/1K..22 4 3
VENTRATE CAT....POOR POOR POOR
CEILING (KFT)...9.0 9.0 4.0
FRIDAY
SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........65 PERCENT.
DEWPOINT............33 INCREASING TO 37 EARLY.
MIN APPARENT TEMP...31.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE
AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......2100 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 8 MPH SHIFTING TO THE SOUTHEAST
EARLY.
SMOKE DISPERSAL.....POOR (1700 KNOT-FT).
LVORI...............6.
ADI.................2 TO 4 INCREASING TO 10 TO 17 THROUGH EARLY
AFTERNOON.
CEILING (KFT).......4.5 INCREASING TO 6.0 EARLY IN THE MORNING,
THEN INCREASING TO 7.0 EARLY INCREASING TO 8.0
LATE IN THE MORNING INCREASING TO 12 INCREASING
TO 15 EARLY INCREASING TO 20 DECREASING TO 15
LATE IN THE AFTERNOON.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST UP TO 4 MPH IN THE
AFTERNOON.
TIME (EDT) 6 AM 10 AM 2 PM
SKY (%).........71 72 61
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CWR.............0 0 0
TEMP............34 40 47
DEWPOINT........32 35 38
RH..............92 82 71
HEAT INDEX (F)..31 38 44
20 FT WIND......NE 3G6 NE 3G7 E 6G9
EYE LEVEL WIND..NE 2G4 NE 2G4 E 4G5
SURFACE WIND....NE 3G6 NE 3G7 E 6G9
MIX HGT (FT)....400 1400 2100
TRANSPORT WIND..NE 5 E 6 SE 6
LVORI...........6 4 3
ADI.............2 11 15
VRATE KT-FT/1K..2 7 10
VENTRATE CAT....POOR POOR POOR
CEILING (KFT)...4.5 12 20
FORECASTER...FT
REQUESTED BY...BILL DECOLA
TYPE OF REQUEST...WILDFIRE
.TAG 2506227.0/BOX
.DELDT 03/12/25
.FORMATTERVERSION 2.0.0
.EMAIL BILL.DECOLA@MASS.GOV
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