395
FNUS71 KBOX 301828
FWSBOX
SPOT FORECAST FOR MUDDY BROOK WMA RX FIRE...MASSWILDLIFE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
228 PM EDT WED APR 30 2025
FORECAST IS BASED ON IGNITION TIME OF 0500 EDT ON MAY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
BROAD AREA OF HIGH PRESSURE WILL BE BUILDING INTO THE NORTHEAST
TONIGHT INTO EARLY ON THURSDAY, BEFORE SHIFTING SOUTHEASTWARD AND
OFFSHORE OF SOUTHERN NEW ENGLAND DURING THE AFTERNOON. FULL
SUNSHINE AND WARM TEMPERATURES ARE EXPECTED, BUT WILL ALSO BE
ACCOMPANIED BY VERY DRY AIR WITH GOOD MIXING CONDITIONS EXPECTED
DURING THE AFTERNOON. RELATIVE HUMIDITIES ARE EXPECTED TO DIP TO
AS LOW AS THE UPPER TEENS PERCENT RANGE TOWARD MIDAFTERNOON.
MODEST SOUTHERLY WINDS (UNDER 10 MPH) ARE EXPECTED WHICH WILL
THEN BRING A SLIGHT UPTICK IN MOISTURE LEVELS BY LATE IN THE DAY.
ALTHOUGH MIXING SHOULD BE GOOD, WEAK TRANSPORT WINDS WILL KEEP ANY
SMOKE NEAR THE PRESCRIBED FIRE LOCATION.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........70 PERCENT.
DEWPOINT............26.
MIN APPARENT TEMP...36.
SURFACE WINDS (MPH).LIGHT WINDS.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 3 MPH.
SMOKE DISPERSAL.....POOR (300 KNOT-FT).
LVORI...............3.
ADI.................2.
CEILING (KFT).......25.
TIME (EDT) 5AM
SKY (%).........13
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0
TEMP............36
DEWPOINT........26
RH..............67
HEAT INDEX (F)..36
20 FT WIND DIR..NE
20 FT WIND SPD..1
20 FT WIND GUST.3
SURFACE WND DIR.NE
SURFACE WND SPD.1
SURFACE WND GST.3
MIX HGT (KFT)...0.1
TRANSP WIND DIR.N
TRANSP WIND SPD.3
LVORI...........3
ADI.............2
VRATE KT-FT/1K..0
VENTRATE CAT....PR
CEILING (KFT)...25
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........21 PERCENT.
DEWPOINT............27.
MIN APPARENT TEMP...37.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 3 MPH SHIFTING TO THE EAST
AROUND 5 MPH LATE IN THE MORNING, THEN SHIFTING
TO THE SOUTHWEST IN THE LATE MORNING AND
AFTERNOON.
SMOKE DISPERSAL.....POOR (1300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (33200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................3 TO 11 INCREASING TO 38 TO 46.
CEILING (KFT).......25 DECREASING TO 14.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........19 33 21 21 20 25
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............37 45 55 63 68 71
DEWPOINT........26 25 26 27 28 29
RH..............64 45 32 25 22 21
HEAT INDEX (F)..37 45 55 63 68 71
20 FT WIND......NE 1 NE 1 S 2 SW 5 SW 6 SW 7
20 FT WIND GUST.3 3 5 8 9 10
SURFACE WIND....NE 1 NE 1 S 2 SW 5 SW 6 SW 7
SURFACE WND GST.3 3 5 8 9 10
MIX HGT (FT)....400 1100 2600 3500 3900 3700
TRANSPORT WIND..NE 3 NE 3 S 5 SW 7 SW 9 SW 10
LVORI...........3 2 2 1 1 1
ADI.............3 5 15 31 46 46
VRATE KT-FT/1K..1 3 10 21 31 33
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
CEILING (KFT)...25 20 20 20 15 15
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING.
CWR.................0 PERCENT INCREASING TO 15 PERCENT EARLY IN THE
MORNING.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........100 PERCENT.
DEWPOINT............32 INCREASING TO 48.
MAX APPARENT TEMP...68.
SURFACE WINDS (MPH).SOUTH WINDS 7 TO 8 MPH.
WIND (20 FT)........SOUTH WINDS 7 TO 8 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 10 MPH.
SMOKE DISPERSAL.....FAIR (24000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3300 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................35 DECREASING TO 5 TO 12.
CEILING (KFT).......12 DECREASING TO 3.0.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........38 58 71 82 91 92
WEATHER COV..... CHANCE
WEATHER TYPE....NONE NONE NONE NONE NONE RNSHWR
TSTM COV........
CWR.............0 0 0 0 20 20
TEMP............68 60 54 51 49 49
DEWPOINT........31 36 34 34 36 44
RH..............25 41 46 52 61 83
HEAT INDEX (F)..68 60 54 51 46 46
20 FT WIND......S 7 S 8 S 7 S 7 S 7 S 7
20 FT WIND GUST.12 15 15 15 15 15
SURFACE WIND....S 7 S 8 S 7 S 7 S 7 S 7
SURFACE WND GST.12 15 15 15 15 15
MIX HGT (FT)....2700 800 600 500 400 400
TRANSPORT WIND..S 10 S 10 S 9 S 8 S 9 S 10
LVORI...........1 2 2 3 3 3
ADI.............35 9 6 5 6 7
VRATE KT-FT/1K..24 8 5 3 4 4
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
CEILING (KFT)...14 12 8.0 6.0 5.0 3.5
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
CWR.................15 PERCENT DECREASING TO 0 PERCENT THROUGH
EARLY AFTERNOON, THEN INCREASING TO 11 PERCENT
LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........57 PERCENT.
DEWPOINT............52 INCREASING TO 56 IN THE AFTERNOON.
MAX APPARENT TEMP...73.
SURFACE WINDS (MPH).SOUTH WINDS 7 TO 13 MPH.
WIND (20 FT)........SOUTH WINDS 7 TO 13 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH SHIFTING TO THE SOUTHWEST 20
TO 22 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (66000 KNOT-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................7 TO 8 INCREASING TO 50 TO 56.
CEILING (KFT).......2.5 DECREASING TO 1.5 EARLY IN THE MORNING,
THEN DECREASING TO 0.8 EARLY INCREASING TO 1.0
EARLY INCREASING TO 1.5 INCREASING TO 2.5 EARLY
IN THE AFTERNOON INCREASING TO 3.0 INCREASING
TO 4.0 LATE IN THE AFTERNOON INCREASING TO 5.0.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........92 89 79 60
WEATHER COV.....CHANCE S CHC
WEATHER TYPE....RNSHWR RNSHWR NONE NONE
TSTM COV........ ISOLTD
CWR.............20 0 0 10
TEMP............50 55 64 71
DEWPOINT........50 51 55 57
RH..............100 86 73 61
HEAT INDEX (F)..47 55 64 71
20 FT WIND......S 7G16 S 9G18 S 12G21 SW 13G23
SURFACE WIND....S 7G16 S 9G18 S 12G21 SW 13G23
MIX HGT (FT)....500 1200 2300 3500
TRANSPORT WIND..S 10 S 15 SW 17 SW 21
LVORI...........3 4 3 1
ADI.............8 22 36 53
VRATE KT-FT/1K..5 15 35 63
VENTRATE CAT....POOR POOR POOR GOOD
CEILING (KFT)...2.5 0.8 1.5 4.0
FORECASTER...LOCONTO
REQUESTED BY...ALEX ENTRUP
TYPE OF REQUEST...PRESCRIBED
.TAG 2512423.0/BOX
.DELDT 05/01/25
.FORMATTERVERSION 2.0.0
.EMAIL ALEX.ENTRUP@MASS.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page