433
FNUS71 KBOX 181258
FWSBOX

Spot Forecast for MATRS Training...DFS
National Weather Service Boston/Norton MA
858 AM EDT Fri Sep 18 2026

Forecast is based on forecast start time of 0900 EDT on September 18.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...

Dry with breezy conditions developing late this morning through
the afternoon. Northwest gusts up to 20 mph are possible.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 78.
Min humidity........45 percent.
Dewpoint............61 decreasing to 55 in the afternoon.
Max apparent temp...78.
Max apparent temp...78.
Surface winds (mph).Northwest winds 6 to 9 mph. Gusts up to 21 mph
                    late in the afternoon.
Mixing height.......5700 ft AGL.
CEILING (KFT).......1.5 increasing to 4.0, then increasing to 11
                    early in the afternoon increasing to 20 early
                    in the afternoon increasing to 25 decreasing to
                    20 late in the afternoon decreasing to 12
                    decreasing to 5.0 late in the afternoon.
Visibility..........10.
Transport winds.....North 13 to 15 mph.
Smoke dispersal.....Fair (20400 knot-ft) early in the morning
                    increasing to excellent (74700 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................30 to 66.

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........48  52  31  24  20  24  17  19  10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0
Temp............68  70  73  75  77  78  78  77  76
Dewpoint........62  63  62  59  57  55  55  55  54
RH..............81  78  68  58  50  45  45  47  46
Heat index (F)..68  70  73  75  77  78  78  77  76
Wind chill (F)..68  70  73  75  77  78  78  77  76
Surface wnd dir.NW  NW  N   N   NW  NW  NW  NW  NW
Surface wnd spd.6   8   9   9   9   9   9   9   9
Surface wnd gst.16  18  18  18  18  21  21  21  21
Mix hgt (kft)...1.9 2.5 3.1 3.8 4.4 5.2 5.6 5.7 5.1
Transp wind dir.N   N   N   N   N   N   N   N   N
Transp wind spd.13  14  14  13  13  14  14  15  15
LVORI...........3   3   1   1   1   1   1   1   1
ADI.............30  30  45  46  49  58  60  66  62
Vrate kt-ft/1K..20  31  37  41  48  63  67  75  66
Ventrate Cat....PR  PR  PR  FR  FR  GD  GD  GD  GD
Ceiling (kft)...1.5 4.0 4.0 11  20  25  20  12  5.0
Visibility (sm).10  10  10  10  10  10  10  10  10

$$
Forecaster...Dooley
Requested by...Erick Benoit
Type of request...SAR
.TAG 2622117.0/BOX
.DELDT 09/18/26
.FormatterVersion 2.0.0
.EMAIL dfsisu1@gmail.com