435
FNUS71 KBOX 220943
FWSBOX
SPOT FORECAST FOR QUABBIN PRESCOTT FIELDS SOUTH...MASSACHUSETTS DCR FIRE
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
543 AM EDT FRI MAY 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MAY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL
WEATHER SERVICE.
DISCUSSION
DRY WITH LIGHT NORTH TO NORTHEAST WINDS TODAY. MORE SHOWERS
ARRIVE LATE SATURDAY INTO SATURDAY NIGHT. MINIMUM RELATIVE HUMIDITY
BETWEEN 25-30 PERCENT EXPECTED TODAY, AND BETWEEN 35-40 PERCENT
SATURDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........30 PERCENT.
DEWPOINT............33.
MAX APPARENT TEMP...65.
SURFACE WINDS (MPH).NORTHEAST WINDS 5 TO 7 MPH IN THE MORNING
BECOMING LIGHT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH IN THE MORNING
BECOMING LIGHT.
MIXING HEIGHT.......5300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 12 MPH.
SMOKE DISPERSAL.....POOR (6500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (38300 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................9 EARLY IN THE MORNING INCREASING TO 56 IN THE
AFTERNOON.
CEILING (KFT).......24.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 40 50 38 43 45 53 61 53 60 72
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............44 48 52 54 56 60 61 63 64 65 64
DEWPOINT........34 34 33 32 32 32 32 33 33 33 33
RH..............68 58 48 43 40 35 33 32 31 30 31
HEAT INDEX (F)..41 45 52 54 56 60 61 63 64 65 64
20 FT WIND DIR..N NE NE NE NE NE NE NE NE E E
20 FT WIND SPD..6 7 7 6 5 3 3 3 2 3 3
20 FT WIND GUST.13 13 13 10 9 8 7 6 5 5 5
SURFACE WND DIR.N NE NE NE NE NE NE NE NE E E
SURFACE WND SPD.6 7 7 6 5 3 3 3 2 3 3
SURFACE WND GST.13 13 13 10 9 8 7 6 5 5 5
MIX HGT (KFT)...0.8 1.9 3.0 3.7 4.3 4.6 4.9 5.1 5.2 5.3 5.3
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE
TRANSP WIND SPD.9 12 12 10 10 8 8 6 6 6 6
LVORI...........3 2 1 1 1 1 1 1 1 1 1
ADI.............9 29 43 49 56 47 50 36 37 38 38
VRATE KT-FT/1K..7 20 31 34 38 32 35 25 26 27 26
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 25 25 25 25 24 24 24 24 25
FORECASTER...BELK
REQUESTED BY...DAVE CELINO
TYPE OF REQUEST...PRESCRIBED
.TAG 2614254.0/BOX
.DELDT 05/22/26
.FORMATTERVERSION 2.0.0
.EMAIL DAVID.CELINO@MASS.GOV
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