131
FNUS71 KBOX 170852
FWSBOX
SPOT FORECAST FOR FRANCES CRANE SOUTH RX BURN 20250417...MASSWILDLIFE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
452 AM EDT THU APR 17 2025
FORECAST IS BASED ON IGNITION TIME OF 0500 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 AROUND 45 PERCENT. WINDS DIMINISH
TONIGHT. DRY CONDITIONS SHOULD CONTINUE INTO FRIDAY, WITH
SOUTHWEST WINDS OF 10 TO 15 MPH.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........76 PERCENT.
DEWPOINT............31.
MIN APPARENT TEMP...31.
SURFACE WINDS (MPH).WEST WINDS AROUND 10 MPH.
WIND (20 FT)........WEST WINDS AROUND 10 MPH.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 18 MPH.
SMOKE DISPERSAL.....FAIR (14800 KNOT-FT).
LVORI...............4.
ADI.................12.
CEILING (KFT).......25.
TIME (EDT) 5AM
SKY (%).........12
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0
TEMP............38
DEWPOINT........31
RH..............76
HEAT INDEX (F)..31
20 FT WIND DIR..W
20 FT WIND SPD..10
20 FT WIND GUST.18
SURFACE WND DIR.W
SURFACE WND SPD.10
SURFACE WND GST.18
MIX HGT (KFT)...0.9
TRANSP WIND DIR.W
TRANSP WIND SPD.18
LVORI...........4
ADI.............12
VRATE KT-FT/1K..15
VENTRATE CAT....PR
CEILING (KFT)...25
TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........44 PERCENT.
DEWPOINT............32.
MIN APPARENT TEMP...32.
SURFACE WINDS (MPH).WEST WINDS 9 TO 12 MPH.
WIND (20 FT)........WEST WINDS 9 TO 12 MPH.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....WEST 17 TO 21 MPH.
SMOKE DISPERSAL.....FAIR (21200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (65500 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................31 TO 39 INCREASING TO 50 TO 57 EARLY, THEN
INCREASING TO 66 TO 72 EARLY IN THE AFTERNOON
DECREASING TO 50 LATE IN THE AFTERNOON
INCREASING TO 68.
CEILING (KFT).......25 DECREASING TO 20 AROUND NOON, THEN
INCREASING TO 25 LATE IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9 7 6 8 13 22 16 9 8 3 4 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............38 38 41 44 46 48 50 52 53 54 53 53
DEWPOINT........31 30 31 31 31 33 33 33 34 33 33 32
RH..............76 73 67 60 55 56 52 48 48 45 46 44
HEAT INDEX (F)..32 32 35 39 41 43 46 52 53 54 53 53
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..9 9 9 9 9 10 10 10 12 10 10 10
20 FT WIND GUST.17 17 17 17 16 16 16 17 17 17 17 17
SURFACE WND DIR.W W W W W W W W W W W W
SURFACE WND SPD.9 9 9 9 9 10 10 10 12 10 10 10
SURFACE WND GST.17 17 17 17 16 16 16 17 17 17 17 17
MIX HGT (KFT)...1.2 1.6 2.0 2.6 2.8 3.2 3.7 3.8 3.9 3.3 2.3 3.2
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.20 20 21 20 18 17 18 18 20 20 18 21
LVORI...........3 3 3 1 1 1 1 1 1 1 1 1
ADI.............31 39 50 57 57 57 66 67 72 67 50 68
VRATE KT-FT/1K..21 27 36 44 45 48 59 61 66 57 37 57
VENTRATE CAT....PR PR PR FR FR FR FR GD GD FR PR FR
CEILING (KFT)...25 25 25 25 20 20 20 20 25 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........82 PERCENT.
DEWPOINT............30.
MIN APPARENT TEMP...33.
SURFACE WINDS (MPH).WEST WINDS 5 TO 8 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 9 TO 18 MPH DECREASING TO 7 TO 8 MPH
EARLY IN THE MORNING.
SMOKE DISPERSAL.....GOOD (44500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2000 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................64 DECREASING TO 3 TO 8.
CEILING (KFT).......25 DECREASING TO 20 AFTER MIDNIGHT, THEN
INCREASING TO 25 EARLY IN THE MORNING.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........1 3 13 15 5 3
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............51 47 43 40 37 36
DEWPOINT........31 31 31 31 31 30
RH..............46 53 62 70 79 79
HEAT INDEX (F)..51 44 40 37 34 33
20 FT WIND......W 8 W 6 W 5 W 5 W 3 W 3
20 FT WIND GUST.15 13 10 8 7 6
SURFACE WIND....W 8 W 6 W 5 W 5 W 3 W 3
SURFACE WND GST.15 13 10 8 7 6
MIX HGT (FT)....2800 800 600 500 400 300
TRANSPORT WIND..W 18 NW 15 W 13 NW 9 NW 9 NW 8
LVORI...........1 2 3 3 4 4
ADI.............64 7 6 4 4 4
VRATE KT-FT/1K..45 10 7 4 3 2
VENTRATE CAT....FAIR POOR POOR POOR POOR POOR
CEILING (KFT)...25 25 25 25 20 25
FRIDAY
SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........45 PERCENT.
DEWPOINT............32 INCREASING TO 35 LATE IN THE AFTERNOON.
MIN APPARENT TEMP...33.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTHWEST 6 TO 12 MPH IN
THE LATE MORNING AND AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 12 MPH EARLY IN THE
MORNING BECOMING LIGHT, THEN BECOMING SOUTHWEST
6 TO 12 MPH IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 12 MPH SHIFTING TO THE SOUTHWEST 15
TO 22 MPH EARLY.
SMOKE DISPERSAL.....POOR (1600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (31500 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................6 TO 14 INCREASING TO 24, THEN INCREASING TO 38
TO 46 EARLY DECREASING TO 32 LATE IN THE
AFTERNOON.
CEILING (KFT).......25 DECREASING TO 13.
TIME (EDT) 6 AM 10 AM 2 PM
SKY (%).........1 15 44
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CWR.............0 0 0
TEMP............36 49 54
DEWPOINT........30 33 33
RH..............79 54 45
HEAT INDEX (F)..33 47 54
20 FT WIND......W 3G6 SW 6G9 SW 12G18
SURFACE WIND....W 3G6 SW 6G9 SW 12G18
MIX HGT (FT)....300 1600 1700
TRANSPORT WIND..W 7 SW 12 SW 22
LVORI...........4 2 1
ADI.............7 24 46
VRATE KT-FT/1K..2 16 32
VENTRATE CAT....POOR POOR POOR
CEILING (KFT)...25 25 20
FORECASTER...BELK
REQUESTED BY...ALEX ENTRUP
TYPE OF REQUEST...PRESCRIBED
.TAG 2510784.0/BOX
.DELDT 04/17/25
.FORMATTERVERSION 2.0.0
.EMAIL ALEX.ENTRUP@MASS.GOV
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