054
FNUS71 KBOX 022211
FWSBOX

Spot Forecast for Quabbin Prescott Fields South Units 26-28...Massachusetts DCR FIRE
National Weather Service Boston/Norton MA
611 PM EDT Tue Jun 2 2026

Forecast is based on ignition time of 0800 EDT on June 03.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...
Dry weather persists through Wednesday. Light N to NW winds.
Minimum relative humidity expected between 25-30%.

.WEDNESDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 79.
Min humidity........31 percent.
Dewpoint............45.
Max apparent temp...78.
Surface winds (mph).Light winds becoming north around 5 mph in the
                    afternoon, then becoming light late in the
                    afternoon.
Wind (20 ft)........Light winds becoming north around 5 mph in the
                    afternoon, then becoming light late in the
                    afternoon.
Mixing height.......6500 ft AGL.
Transport winds.....North 6 to 13 mph.
Smoke dispersal.....Poor (2800 knot-ft) early in the morning
                    increasing to excellent (71100 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................6 early in the morning increasing to 99 in the
                    afternoon.
CEILING (KFT).......22 decreasing to 16.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7   1   0   2   2   2   2   1   1   3
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
Temp............58  64  68  71  74  75  77  78  78  78
Dewpoint........46  46  45  44  44  44  45  45  46  47
RH..............64  52  44  38  34  33  32  31  32  34
Heat index (F)..58  64  68  71  74  75  77  78  78  78
20 FT wind dir..N   N   NW  N   N   N   N   N   N   N
20 FT wind spd..2   2   3   3   5   5   5   5   5   3
20 FT wind gust.6   7   8   9   10  10  9   8   8   7
Surface wnd dir.N   N   NW  N   N   N   N   N   N   N
Surface wnd spd.2   2   3   3   5   5   5   5   5   3
Surface wnd gst.6   7   8   9   10  10  9   8   8   7
Mix hgt (kft)...0.6 1.8 3.9 5.5 5.9 6.2 6.5 6.4 6.2 6.2
Transp wind dir.N   N   N   N   N   N   N   N   N   N
Transp wind spd.6   7   8   10  12  13  13  9   9   8
LVORI...........3   2   1   1   1   1   1   1   1   1
ADI.............6   16  40  71  83  96  99  71  70  61
Vrate kt-ft/1K..3   11  27  50  59  68  71  51  50  44
Ventrate Cat....PR  PR  PR  FR  FR  GD  GD  FR  FR  FR
Ceiling (kft)...24  22  22  20  19  17  16  16  16  16

$$
Forecaster...Belk
Requested by...Dave Celino
Type of request...PRESCRIBED
.TAG 2614849.0/BOX
.DELDT 06/02/26
.FormatterVersion 2.0.0
.EMAIL david.celino@mass.gov