276
FNUS71 KBOX 301123
FWSBOX
SPOT FORECAST FOR CPED-RX-FMZ08-20250430-01...MASSACHUSETTS ARMY NATIONAL GUARD
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
723 AM EDT WED APR 30 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 30.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
SOME EARLY MORNING CLOUDS WILL GIVE WAY TO PLENTY OF SUNSHINE
TODAY WITH SOUTHWEST WINDS SHIFTING TO THE NORTHWEST AFTER
DAYBREAK WITH GUSTS AROUND 20 MPH THIS MORNING. WINDS WILL THEN
BECOME NORTHERLY THIS AFTERNOON AT SPEEDS OF 5 TO 15 MPH. HIGH
TEMPERATURES TODAY WILL REACH BETWEEN 65 AND 70. MINIMUM AFTERNOON
RELATIVE HUMIDITY VALUES WILL DROP TO BETWEEN 30 AND 40 PERCENT.
WINDS WILL QUICKLY DIMINISH AFTER SUNSET ALLOWING RELATIVE
HUMIDITY VALUES TO QUICKLY RECOVER.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........36 PERCENT.
DEWPOINT............43 DECREASING TO 40 LATE IN THE AFTERNOON.
MAX APPARENT TEMP...68.
SURFACE WINDS (MPH).NORTHWEST WINDS 12 TO 15 MPH WITH GUSTS TO
AROUND 28 MPH SHIFTING TO THE NORTH 8 TO 9 MPH
LATE IN THE AFTERNOON.
WIND (20 FT)........NORTH WINDS 8 TO 15 MPH WITH GUSTS TO AROUND 28
MPH.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 13 TO 21 MPH DECREASING TO AROUND 10
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (32800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (62100 KNOT-FT) IN THE
AFTERNOON.
LVORI...............1.
ADI.................45 INCREASING TO 63 TO 69 EARLY, THEN
DECREASING TO 55 LATE IN THE AFTERNOON
INCREASING TO 69 LATE IN THE AFTERNOON
DECREASING TO 57.
CEILING (KFT).......20 INCREASING TO 25 EARLY.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........65 36 12 6 4 5 5 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
TEMP............62 65 67 68 68 68 67 65
DEWPOINT........45 43 42 41 41 40 40 40
RH..............54 45 40 37 37 36 37 40
HEAT INDEX (F)..62 65 67 68 68 68 67 65
20 FT WIND DIR..NW NW NW NW N N N N
20 FT WIND SPD..15 15 15 14 13 12 9 8
20 FT WIND GUST.28 28 28 25 22 18 16 13
SURFACE WND DIR.NW NW NW NW N N N N
SURFACE WND SPD.15 15 15 14 13 12 9 8
SURFACE WND GST.28 28 28 25 22 18 16 13
MIX HGT (KFT)...2.2 3.2 3.6 4.0 4.4 4.5 4.7 4.8
TRANSP WIND DIR.NW NW NW NW NW NW NW NW
TRANSP WIND SPD.17 21 20 17 16 14 13 10
LVORI...........1 1 1 1 1 1 1 1
ADI.............45 69 69 65 63 55 69 57
VRATE KT-FT/1K..33 58 62 60 62 55 51 43
VENTRATE CAT....PR FR GD GD GD FR FR FR
CEILING (KFT)...20 25 25 25 25 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........79 PERCENT.
DEWPOINT............37 DECREASING TO 31 AFTER MIDNIGHT.
MIN APPARENT TEMP...39.
SURFACE WINDS (MPH).NORTH WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....NORTH 2 TO 7 MPH INCREASING TO AROUND 6 MPH
EARLY IN THE MORNING.
SMOKE DISPERSAL.....FAIR (19400 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (300 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................29 DECREASING TO 1 TO 3.
CEILING (KFT).......25 DECREASING TO 20 AFTER MIDNIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........13 15 15 10 3 5 4 3 5 5 4 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............62 58 55 52 50 48 46 45 43 41 39 39
DEWPOINT........39 39 38 37 36 35 32 31 29 30 32 33
RH..............43 49 53 56 58 60 58 58 57 65 76 79
HEAT INDEX (F)..62 58 55 52 50 47 46 45 43 41 39 39
20 FT WIND DIR..N N NW N N N N N N N NE NE
20 FT WIND SPD..6 5 2 2 2 3 2 2 1 1 1 1
20 FT WIND GUST.10 9 7 7 7 7 8 8 9 8 8 7
SURFACE WND DIR.N N NW N N N N N N N NE NE
SURFACE WND SPD.6 5 2 2 2 3 2 2 1 1 1 1
SURFACE WND GST.10 9 7 7 7 7 8 8 9 8 8 7
MIX HGT (KFT)...3.2 1.7 0.2 0.2 0.1 0.1 0.2 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.NW N NW N N N N N N N N N
TRANSP WIND SPD.7 5 2 2 2 3 5 6 7 7 6 6
LVORI...........2 2 2 3 3 3 3 3 3 3 4 4
ADI.............29 2 1 1 1 2 2 3 3 3 3 3
VRATE KT-FT/1K..19 7 0 0 0 0 1 1 2 2 1 1
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 25 25 25 25 25 20 20 20 20 20
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........39 PERCENT.
DEWPOINT............34.
MAX APPARENT TEMP...58.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING EAST 5 TO 6 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE SOUTHEAST 7
TO 9 MPH EARLY SHIFTING TO THE SOUTH 10 TO 13
MPH LATE IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE SOUTHEAST 7
TO 9 MPH EARLY SHIFTING TO THE SOUTH 10 TO 13
MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 7 TO 10 MPH SHIFTING TO THE SOUTH 10
TO 13 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (5400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (30000 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................8 INCREASING TO 33 TO 42.
CEILING (KFT).......20 DECREASING TO 9.0.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........23 28 19 17 22 32
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............41 48 54 57 58 57
DEWPOINT........33 34 33 33 34 34
RH..............73 58 45 40 40 42
HEAT INDEX (F)..41 48 54 57 58 57
20 FT WIND......NE 1 NE 2 E 6 SE 8 S 10 S 12
20 FT WIND GUST.7 7 8 12 15 16
SURFACE WIND....NE 1 NE 2 E 6 SE 8 S 10 S 12
SURFACE WND GST.7 7 8 12 15 16
MIX HGT (FT)....900 2200 2700 3100 3300 2600
TRANSPORT WIND..NE 7 NE 10 E 6 SE 8 S 10 S 12
LVORI...........3 2 2 1 1 1
ADI.............8 29 20 31 42 34
VRATE KT-FT/1K..5 20 14 22 30 26
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
CEILING (KFT)...20 15 15 14 12 10
FORECASTER...FRANK
REQUESTED BY...JOEL CARLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2512319.0/BOX
.DELDT 04/30/25
.FORMATTERVERSION 2.0.0
.EMAIL JOEL.CARLSON@MASS.GOV
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