765
FNUS71 KBOX 010933
FWSBOX
SPOT FORECAST FOR MUDDY BROOK WMA RX FIRE...MASSWILDLIFE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
533 AM EDT THU MAY 1 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON MAY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
PLENTY OF SUNSHINE IS ON TAP FOR TODAY...BUT WE DO EXPECT SOME MID
AND HIGH LEVEL CLOUDS TOO. HIGHS WILL BE AROUND 70 AND WITH A
VERY DRY AIRMASS IN PLACE...EXPECT MINIMUM AFTERNOON RELATIVE
HUMIDITY VALUES TO DROP TO BETWEEN 15 AND 25 PERCENT. WINDS WILL
BECOME SOUTH SOUTHWEST THIS MORNING AND ON THE ORDER OF 5 TO 15
MPH DURING THE AFTERNOON. DRY WEATHER WILL PREVAIL FOR MOST OF
THE EVENING...BUT EXPECT RELATIVE HUMIDITY VALUES TO RECOVER GIVEN
INCREASING LOW LEVEL MOISTURE.
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........21 PERCENT.
DEWPOINT............27.
MIN APPARENT TEMP...37.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH EARLY.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH EARLY.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 5 MPH SHIFTING TO THE SOUTHWEST 6 TO
10 MPH EARLY.
SMOKE DISPERSAL.....POOR (1700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (29500 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................3 TO 12 INCREASING TO 38 TO 42.
CEILING (KFT).......12 DECREASING TO 10, THEN DECREASING TO 9.0
EARLY IN THE AFTERNOON INCREASING TO 10 LATE IN
THE AFTERNOON INCREASING TO 13.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 28 39 42 37 36 30 38 33 32 32 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 39 44 49 54 58 62 64 66 69 70 70
DEWPOINT........26 27 28 28 28 28 28 28 28 28 29 29
RH..............64 62 53 44 36 32 27 25 24 21 22 22
HEAT INDEX (F)..37 39 44 49 54 58 62 64 66 69 70 70
20 FT WIND DIR..NE NE E E SE S S S SW S S S
20 FT WIND SPD..2 1 1 2 3 5 6 7 8 8 9 9
20 FT WIND GUST.3 5 7 8 9 10 10 12 14 14 13 13
SURFACE WND DIR.NE NE E E SE S S S SW S S S
SURFACE WND SPD.2 1 1 2 3 5 6 7 8 8 9 9
SURFACE WND GST.3 5 7 8 9 10 10 12 14 14 13 13
MIX HGT (KFT)...0.6 1.0 1.4 1.9 2.5 3.0 3.2 3.4 3.6 3.5 3.4 3.3
TRANSP WIND DIR.E E E SE S S SW SW SW SW S S
TRANSP WIND SPD.3 3 5 5 6 6 7 7 8 9 9 10
LVORI...........3 3 2 2 2 2 2 2 1 1 1 1
ADI.............3 4 8 12 18 22 28 28 35 39 38 42
VRATE KT-FT/1K..2 3 6 8 12 15 19 20 25 28 27 30
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...14 14 14 12 11 10 9.0 9.0 9.0 10 11 13
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SCATTERED RAIN SHOWERS AFTER MIDNIGHT.
CWR.................0 PERCENT INCREASING TO 85 PERCENT EARLY IN THE
MORNING.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........96 PERCENT.
DEWPOINT............33 INCREASING TO 43.
MAX APPARENT TEMP...67.
SURFACE WINDS (MPH).SOUTH WINDS 6 TO 9 MPH.
WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.
SMOKE DISPERSAL.....FAIR (23200 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2600 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................28 TO 33 DECREASING TO 5 TO 10 UNTIL JUST AFTER
MIDNIGHT.
CEILING (KFT).......11 DECREASING TO 1.5.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........35 49 63 72 75 85 88 91 94 93 93 93
WEATHER COV..... SCT SCT SCT SCT SCT
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 90 90 90 90
TEMP............67 63 59 56 54 52 51 50 49 49 49 49
DEWPOINT........31 32 34 35 35 35 36 38 39 41 43 45
RH..............26 31 39 45 48 52 56 63 68 74 80 86
HEAT INDEX (F)..67 63 59 56 54 52 51 48 47 46 46 46
20 FT WIND DIR..S S S S S S S S S S S SE
20 FT WIND SPD..9 8 8 7 7 6 6 6 6 7 7 8
20 FT WIND GUST.13 13 13 13 13 12 13 13 13 14 15 10
SURFACE WND DIR.S S S S S S S S S S S SE
SURFACE WND SPD.9 8 8 7 7 6 6 6 6 7 7 8
SURFACE WND GST.13 13 13 13 13 12 13 13 13 14 15 10
MIX HGT (KFT)...2.6 1.9 1.2 1.0 0.7 0.5 0.5 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.10 12 12 12 10 10 9 9 8 9 10 12
LVORI...........1 2 2 2 2 2 3 3 3 3 4 5
ADI.............33 28 10 8 7 7 6 6 5 6 7 10
VRATE KT-FT/1K..23 19 12 10 7 5 4 3 3 3 4 4
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...11 9.0 8.0 7.0 5.0 4.5 4.5 5.0 5.0 4.0 2.5 1.5
FRIDAY
SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY SUNNY. SCATTERED
RAIN SHOWERS THROUGH THE DAY. ISOLATED
THUNDERSTORMS IN THE AFTERNOON. PATCHY FOG IN
THE MORNING.
CWR.................85 PERCENT DECREASING TO 0 PERCENT THROUGH
EARLY AFTERNOON, THEN INCREASING TO 30 PERCENT
LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........50 PERCENT.
DEWPOINT............49 INCREASING TO 57.
MAX APPARENT TEMP...77.
SURFACE WINDS (MPH).SOUTH WINDS 6 TO 7 MPH SHIFTING TO THE
SOUTHWEST 7 TO 12 MPH WITH GUSTS TO AROUND 23
MPH IN THE LATE MORNING AND AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 12 MPH WITH GUSTS TO
AROUND 23 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH SHIFTING TO THE SOUTHWEST 9
TO 17 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (45700 KNOT-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................6 TO 12 INCREASING TO 42.
CEILING (KFT).......1.0 DECREASING TO 0.8 EARLY IN THE MORNING,
THEN DECREASING TO 0.3 EARLY INCREASING TO 0.8
EARLY INCREASING TO 3.5 INCREASING TO 7.0 EARLY
IN THE AFTERNOON INCREASING TO 10.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........95 98 95 80 53 51
WEATHER COV.....SCTTRD S CHC S CHC CHANCE
WEATHER TYPE....RNSHWR RN/FG NONE NONE RNSHWR RNSHWR
TSTM COV........ ISOLTD ISOLTD
CWR.............90 0 0 0 30 30
TEMP............50 52 58 65 72 77
DEWPOINT........47 51 53 55 57 57
RH..............89 96 83 70 59 50
HEAT INDEX (F)..47 52 58 65 72 77
20 FT WIND......S 7 S 6 SW 7 SW 9 SW 12 SW 12
20 FT WIND GUST.9 12 15 18 20 23
SURFACE WIND....S 7 S 6 SW 7 SW 9 SW 12 SW 12
SURFACE WND GST.9 12 15 18 20 23
MIX HGT (FT)....400 400 700 1100 1700 2600
TRANSPORT WIND..S 12 S 10 SW 9 SW 9 SW 12 SW 15
LVORI...........5 6 4 3 2 1
ADI.............9 8 7 12 21 33
VRATE KT-FT/1K..4 4 5 9 17 34
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
CEILING (KFT)...1.0 0.3 0.3 3.5 10 11
FORECASTER...FRANK
REQUESTED BY...ALEX ENTRUP
TYPE OF REQUEST...PRESCRIBED
.TAG 2512504.0/BOX
.DELDT 05/01/25
.FORMATTERVERSION 2.0.0
.EMAIL ALEX.ENTRUP@MASS.GOV
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