AFOS product FWSBOX
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Product Timestamp: 2023-05-13 22:54 UTC

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FNUS71 KBOX 132254
FWSBOX

Spot Forecast for Lynnwoods...Mass Forest Fire Control
National Weather Service Boston/Norton MA
654 PM EDT Sat May 13 2023

Forecast is based on forecast start time of 1900 EDT on May 13. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION... High pressure will bring dry conditions for Sunday
and Monday.

Minimum relative humidities away from the coasts expected remain
dry with readings ranging from 20 to 30 percent. Minimum relative
humidities will be higher for Cape Cod and the Islands ranging
from 35 to 50 percent for both Sunday and Tuesday.

.OUTLOOK...Tuesday through Thursday...

Dry conditions are expected to continue for Tuesday through
Thursday.


.REST OF TONIGHT...

Sky/weather.........Mostly clear (0-10 percent). 
CWR.................0 percent. 
Min temperature.....Around 48. 
Max humidity........56 percent. 
Dewpoint............38 decreasing to 34 late in the night. 
Max apparent temp...71. 
Surface winds.......North winds 7 to 10 mph. 
Wind (20 ft)........North winds 7 to 10 mph. 
Mixing height.......600-1500 ft AGL. 
Transport winds.....North 9 to 16 mph. 
Smoke dispersal.....Poor to fair (4800-17900 knot-ft). 
LVORI...............3. 
ADI.................27 decreasing to 8 until just after midnight. 
Haines Index........4 to 5 OR low potential for large plume 
                    dominated fire growth to moderate potential for 
                    large plume dominated fire growth. 
CEILING (KFT).......20 increasing to 25 after midnight. 

TIME (EDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 
Sky (%).........5   8   7   5   4   4   3   4   4   4   6   
Weather cov.....                                            
Weather type....                                            
Tstm cov........                                            
CWR.............0   0   0   0   0   0   0   0   0   0   0   
Temp............71  68  65  63  60  58  56  54  52  51  49  
Dewpoint........39  40  39  38  38  38  38  37  36  35  34  
RH..............31  36  38  39  44  47  51  52  54  54  56  
Heat index (F)..71  68  65  63  60  58  56  54  52  51  46  
20 FT wind dir..NW  N   N   N   N   N   N   N   N   N   N   
20 FT wind spd..10  8   9   10  10  10  10  9   8   8   7   
20 FT wind gust.14  10  14  16  16  15  14  14  13  12  10  
Surface wnd dir.NW  N   N   N   N   N   N   N   N   N   N   
Surface wnd spd.10  8   9   10  10  10  10  9   8   8   7   
Surface wnd gst.14  10  14  16  16  15  14  14  13  12  10  
Mix hgt (kft)...1.5 0.7 0.7 0.7 0.7 0.7 1.0 1.0 0.6 0.6 0.8 
Transp wind dir.NW  N   N   N   N   N   N   N   N   N   N   
Transp wind spd.14  12  14  16  16  15  15  12  9   9   10  
LVORI...........2   2   2   2   2   2   2   2   2   2   3   
ADI.............27  8   9   11  11  10  10  8   6   6   5   
Haines index....5   5   5   5   5   4   4   4   4   4   5   
VRate kt-ft/100018  7   8   10  10  9   13  10  5   5   8   
Ceiling (kft)...20  20  20  25  25  25  25  25  25  25  25  

.SUNDAY...

Sky/weather.........Mostly sunny (20-30 percent). 
CWR.................0 percent. 
Max temperature.....Around 65. 
Min humidity........31 percent. 
Dewpoint............32. 
Max apparent temp...64. 
Surface winds.......Northwest winds 7 to 10 mph. 
Wind (20 ft)........Northwest winds 7 to 10 mph. 
Mixing height.......1000-2000 ft AGL increasing to 5700-6400 ft 
                    AGL. 
Transport winds.....Northwest 9 to 17 mph. 
Smoke dispersal.....Poor to good (7700-48400 knot-ft) increasing to 
                    excellent (63800 knot-ft) early. 
LVORI...............2. 
ADI.................12 increasing to 105. 
Haines Index........5 moderate potential for large plume dominated 
                    fire growth. 
CEILING (KFT).......25 decreasing to 20 in the morning, then 
                    increasing to 25 in the afternoon. 

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........4   8   13  9   11  17  25  31  37  47  48  49  
Weather cov.....                                                
Weather type....                                                
Tstm cov........                                                
CWR.............0   0   0   0   0   0   0   0   0   0   0   0   
Temp............49  50  53  54  57  59  60  62  63  64  64  64  
Dewpoint........33  33  32  32  32  31  32  32  32  33  33  33  
RH..............54  52  44  43  38  34  35  32  31  31  31  31  
Heat index (F)..46  47  53  54  57  59  60  62  63  64  64  64  
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  
20 FT wind spd..7   8   9   9   9   10  10  10  10  10  10  10  
20 FT wind gust.12  12  13  14  14  14  15  15  16  15  15  16  
Surface wnd dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  
Surface wnd spd.7   8   9   9   9   10  10  10  10  10  10  10  
Surface wnd gst.12  12  13  14  14  14  15  15  16  15  15  16  
Mix hgt (kft)...1.0 2.0 3.2 3.4 4.0 4.9 5.1 5.7 6.3 6.3 6.4 6.3 
Transp wind dir.N   N   NW  N   N   NW  NW  NW  NW  NW  NW  NW  
Transp wind spd.9   10  14  14  14  15  16  17  17  17  17  17  
LVORI...........2   2   1   1   1   1   1   1   1   1   1   1   
ADI.............12  27  54  57  67  85  94  105 105 105 105 105 
Haines index....5   5   5   5   5   5   5   5   5   5   5   5   
VRate kt-ft/10008   18  38  41  48  64  71  85  95  94  96  94  
Ceiling (kft)...25  20  20  20  20  20  25  25  25  25  25  25  

.SUNDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent). 
CWR.................0 percent. 
Min temperature.....Around 47. 
Max humidity........52 percent. 
Dewpoint............32. 
Max apparent temp...63. 
Surface winds.......Northwest winds 7 to 10 mph. 
Wind (20 ft)........Northwest winds 7 to 10 mph. 
Mixing height.......2400-4300 ft AGL decreasing to 400-1400 ft AGL 
                    until just after midnight. 
Transport winds.....Northwest 12 to 16 mph. 
Smoke dispersal.....Poor to good (9900-59800 knot-ft) decreasing to 
                    poor (4200 knot-ft) around midnight. 
LVORI...............2. 
ADI.................82 decreasing to 8. 
Haines Index........5 moderate potential for large plume dominated 
                    fire growth. 
CEILING (KFT).......25. 

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 
Sky (%).........22  4   5   5   4   3   3   3   3   3   4   4   
Weather cov.....                                                
Weather type....                                                
Tstm cov........                                                
CWR.............0   0   0   0   0   0   0   0   0   0   0   0   
Temp............63  62  59  57  56  55  53  52  51  50  49  49  
Dewpoint........32  32  32  32  32  33  32  32  32  32  32  32  
RH..............31  32  36  38  40  43  44  46  48  50  52  52  
Heat index (F)..63  62  59  57  56  55  53  52  51  47  46  46  
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  W   
20 FT wind spd..10  10  10  9   9   9   8   8   7   7   8   8   
20 FT wind gust.15  15  15  14  14  14  13  12  10  10  12  12  
Surface wnd dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  W   
Surface wnd spd.10  10  10  9   9   9   8   8   7   7   8   8   
Surface wnd gst.15  15  15  14  14  14  13  12  10  10  12  12  
Mix hgt (kft)...4.3 2.4 1.4 1.0 0.8 0.5 0.5 0.5 0.4 0.4 0.4 0.4 
Transp wind dir.N   N   N   N   N   N   N   NW  NW  NW  NW  NW  
Transp wind spd.16  14  13  15  15  14  13  13  12  12  12  12  
LVORI...........1   1   2   2   2   2   2   2   2   2   2   2   
ADI.............82  43  8   10  10  9   8   8   5   5   8   8   
Haines index....5   5   5   5   5   5   5   5   5   5   5   5   
VRate kt-ft/100060  29  15  13  10  6   5   5   4   4   4   4   
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25  

.MONDAY...

Sky/weather.........Sunny (20-30 percent) then becoming partly 
                    sunny (55-65 percent). 
CWR.................0 percent. 
Max temperature.....Around 74. 
Min humidity........25 percent. 
Dewpoint............34. 
Max apparent temp...73. 
Surface winds.......West winds 8 to 14 mph. 
Wind (20 ft)........West winds 8 to 14 mph. 
Mixing height.......700-2100 ft AGL increasing to 5300-5400 ft AGL. 
Transport winds.....West 12 to 21 mph increasing to around 22 mph 
                    late in the afternoon. 
Smoke dispersal.....Poor to good (6900-50600 knot-ft) increasing to 
                    excellent (61500 knot-ft) in the afternoon. 
LVORI...............2. 
ADI.................15 increasing to 91. 
Haines Index........6 high potential for large plume dominated fire 
                    growth. 
CEILING (KFT).......20. 

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........5   6   6   10  13  17  18  19  20  33  45  58  
Weather cov.....                                                
Weather type....                                                
Tstm cov........                                                
CWR.............0   0   0   0   0   0   0   0   0   0   0   0   
Temp............50  52  54  58  62  66  68  70  71  72  73  73  
Dewpoint........33  33  34  34  33  33  33  34  34  35  35  35  
RH..............52  48  46  40  33  29  27  27  26  25  25  25  
Heat index (F)..47  52  54  58  62  66  68  70  71  72  73  73  
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W   
20 FT wind spd..8   8   8   9   9   10  10  12  12  13  13  14  
20 FT wind gust.12  13  13  13  14  14  15  16  17  18  21  22  
Surface wnd dir.W   W   W   W   W   W   W   W   W   W   W   W   
Surface wnd spd.8   8   8   9   9   10  10  12  12  13  13  14  
Surface wnd gst.12  13  13  13  14  14  15  16  17  18  21  22  
Mix hgt (kft)...0.7 0.9 1.2 2.1 3.0 3.9 4.4 4.9 5.4 5.4 5.4 5.3 
Transp wind dir.NW  W   W   W   W   W   W   W   W   W   W   W   
Transp wind spd.12  12  12  13  14  15  16  18  20  21  21  22  
LVORI...........2   2   2   1   1   1   1   1   1   1   1   1   
ADI.............12  14  18  34  51  70  84  75  84  88  88  93  
Haines index....6   6   6   6   6   6   6   6   6   6   6   6   
VRate kt-ft/10007   10  14  23  36  51  62  78  92  97  96  101 
Ceiling (kft)...20  20  20  20  20  20  20  20  20  20  20  20  

$$
Forecaster...GAF
Requested by...Benjamin Jennell
Type of request...WILDFIRE
.TAG 2312772.0/BOX
.DELDT 05/13/23
.EMAIL Ben.jennell@mass.gov