033
FNUS71 KBOX 181200
FWSBOX
SPOT FORECAST FOR MIMA 250TH...NPS
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
800 AM EDT FRI APR 18 2025
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
SUNNY, DRY AND BREEZY CONDITIONS ARE EXPECTED FOR MOST OF TODAY,
WITH MILD TEMPERATURES REACHING INTO THE MID TO UPPER 60S BY LATE
THIS AFTERNOON. SOUTHWEST WIND GUSTS THIS AFTERNOON COULD REACH UP
TO 25 MPH.
CLOUD COVER THEN STANDS TO INCREASE LATER THIS AFTERNOON AND INTO
EARLY TONIGHT AS A WARM FRONT MOVES THROUGH SOUTHERN NEW ENGLAND.
A FEW SHOWERS COULD MOVE CLOSE TO THE LOCATION TONIGHT, BUT THESE
SHOWERS WOULD BE MORE OF THE HIT-OR-MISS TYPE AND NO WASHOUTS ARE
EXPECTED WITH THE VAST MAJORITY OF THE TIME BEING DRY. WILL REMAIN
PRETTY BREEZY AS WELL INTO TONIGHT WITH GUSTS IN THE 20-25 MPH
RANGE. LOW TEMPERATURES TONIGHT ARE SEASONABLY MILD IN THE LOW TO MID
50S.
SATURDAY WILL FEATURE PARTLY TO MOSTLY CLOUDY CONDITIONS, ALTHOUGH
TEMPERATURES ARE EXPECTED TO BE WELL ABOVE NORMAL FOR LATE APRIL
STANDARDS AS A VERY WARM AIR MASS MOVES OVERHEAD. TEMPERATURES ARE
EXPECTED TO RISE WELL INTO THE MID 70S TO LOW 80S. THIS WARMTH
WILL BE MET BY CONTINUED BREEZY CONDITIONS, WITH SOUTHWEST GUSTS
IN THE 25 MPH RANGE.
REST OF TODAY
SKY/WEATHER.........SUNNY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 67.
MAX APPARENT TEMP...66.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH WITH
GUSTS TO AROUND 23 MPH IN THE LATE MORNING AND
AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 14 MPH INCREASING TO 17 TO 26
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (97800 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................5 TO 13 INCREASING TO 91 TO 97.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 3 2 9 17 27 21 45 66 76
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 10 10 10 10
CHC OF RAIN (%).0 0 0 0 0 0 0 0 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............43 48 53 57 60 63 64 65 66 64
WIND CHILL (F)..43 48 53 57 60 63 64 65 66 64
APARNT TMP (F)..43 48 53 57 60 63 64 65 66 64
SURFACE WND DIR.SW SW S S SW SW SW SW SW SW
SURFACE WND SPD.2 2 5 6 7 9 10 10 10 10
SURFACE WND GST.5 6 10 14 15 17 20 21 23 23
MIX HGT (KFT)...0.5 1.4 2.4 3.4 3.9 4.4 4.8 4.7 4.1 3.6
TRANSP WIND DIR.W SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.5 7 10 14 17 20 21 24 24 26
LVORI...........2 2 1 1 1 1 1 1 1 1
ADI.............5 13 32 57 81 76 84 97 91 94
VRATE KT-FT/1K..2 8 22 41 58 74 87 98 87 84
VENTRATE CAT....PR PR PR FR FR GD GD GD GD GD
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
BEGIN/END OF PCPN...
MIN TEMPERATURE.....AROUND 51.
MAX APPARENT TEMP...62.
SURFACE WINDS (MPH).SOUTHWEST WINDS 10 TO 12 MPH WITH GUSTS TO
AROUND 24 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 17 TO 25 MPH.
SMOKE DISPERSAL.....GOOD (59000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (11200 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................57 DECREASING TO 15 TO 23.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........85 82 76 79 72 65 70 76 81 81 81 82
WEATHER COV..... SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).10 20 20 20 20 20 10 10 10 10 10 10
CHC OF RAIN (%).10 10 20 20 20 20 20 20 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 0 0
TEMP............62 60 56 55 54 53 53 53 53 54 54 54
WIND CHILL (F)..62 60 56 55 54 53 53 53 53 54 54 54
APARNT TMP (F)..62 60 56 55 54 53 53 53 53 54 54 54
SURFACE WND DIR.SW S S S SW SW SW SW SW SW SW SW
SURFACE WND SPD.12 10 10 10 10 10 10 10 10 10 10 10
SURFACE WND GST.24 24 22 22 22 22 22 21 21 21 21 21
MIX HGT (KFT)...2.7 1.5 0.9 0.9 0.9 0.8 0.9 0.8 0.8 0.7 0.9 0.8
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.25 21 21 20 20 20 20 20 18 18 18 17
LVORI...........1 2 2 2 2 2 2 2 3 3 3 4
ADI.............57 23 19 18 18 18 18 18 16 16 16 15
VRATE KT-FT/1K..59 26 17 15 15 14 15 14 13 11 14 13
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR
SATURDAY
SKY/WEATHER.........PARTLY SUNNY.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
BEGIN/END OF PCPN...
MAX TEMPERATURE.....AROUND 81.
MAX APPARENT TEMP...80.
SURFACE WINDS (MPH).SOUTHWEST WINDS 10 TO 13 MPH WITH GUSTS TO
AROUND 25 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 25 MPH SHIFTING TO THE WEST 28
TO 30 MPH EARLY.
SMOKE DISPERSAL.....POOR (12700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (111500 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (120300
KNOT-FT) LATE IN THE AFTERNOON.
LVORI...............2.
ADI.................14 TO 19 INCREASING TO 89 TO 91.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........76 70 65 69 72 76 71 65 60 60 61 61
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 0 0 0 0 0 0 0 0 10 10 10
CHC OF RAIN (%).0 0 10 0 0 0 0 0 10 10 20 20
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............55 55 58 62 66 70 73 76 78 80 80 80
WIND CHILL (F)..55 55 58 62 66 70 73 76 78 80 80 80
APARNT TMP (F)..55 55 58 62 66 70 73 76 78 80 80 80
SURFACE WND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
SURFACE WND SPD.10 10 10 10 12 12 12 13 13 13 12 12
SURFACE WND GST.21 22 22 22 24 25 25 25 25 25 25 25
MIX HGT (KFT)...0.8 0.9 1.0 1.7 2.1 2.6 3.2 3.8 4.5 4.6 4.8 5.0
TRANSP WIND DIR.SW SW SW SW SW SW W W W W W W
TRANSP WIND SPD.18 20 23 23 25 28 28 29 29 30 30 30
LVORI...........3 3 3 1 1 1 1 1 1 1 1 1
ADI.............14 19 28 49 50 61 69 78 84 89 90 91
VRATE KT-FT/1K..13 15 20 33 47 62 77 96 112 120 125 129
VENTRATE CAT....PR PR PR PR FR GD GD GD VGD VGD VGD VGD
FORECASTER...LOCONTO
REQUESTED BY...LIA MCDONALD
TYPE OF REQUEST...OTHER
.TAG 2510989.0/BOX
.DELDT 04/18/25
.FORMATTERVERSION 2.0.0
.EMAIL LIA_MCDONALD@IOS.DOI.GOV
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