068  
FNUS71 KBOX 191844  
FWSBOX  
 
SPOT FORECAST FOR CAMP EDWARDS A-4 WILDFIRE...MASSACHUSETTS ARMY NATIONAL GUARD  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
244 PM EDT SAT JUL 19 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 EDT ON JULY 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL  
WEATHER SERVICE.  
   
DISCUSSION
 
 
SOUTHWEST WINDS AROUND 15 MPH THIS AFTERNOON WILL DIMINISH TO  
AROUND 10 MPH THIS EVENING AND INTO TONIGHT. TEMPERATURES NEAR 80  
THIS AFTERNOON WILL RESULT IN MINIMUM RELATIVE HUMIDITY VALUES  
BETWEEN 50 AND 60 PERCENT. THE RELATIVE HUMIDITY SHOULD RECOVER  
THIS EVENING ABOUT 75 PERCENT AFTER 7 OR 8 PM THIS EVENING.  
OVERNIGHT LOW TEMPS WILL BOTTOM OUT IN THE UPPER 60S TO NEAR 70 AS  
LOW CLOUDS DEVELOP. DRY WEATHER PREVAILS MOST OF TONIGHT...BUT  
SHOWER AND THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL IMPACT THE  
REGION SUNDAY MORNING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........56 PERCENT.  
DEWPOINT............63.  
MAX APPARENT TEMP...79.  
SURFACE WINDS (MPH).SOUTHWEST WINDS AROUND 12 MPH.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 12 MPH.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 14 TO 15 MPH.  
SMOKE DISPERSAL.....GOOD (31400 KNOT-FT).  
LVORI...............1.  
ADI.................32 TO 35.  
CEILING (KFT).......25.  
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 7 MPH.  
 
TIME (EDT) 3PM 4PM 5PM  
SKY (%).........6 13 9  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0  
TEMP............79 78 78  
DEWPOINT........62 63 64  
RH..............56 60 62  
HEAT INDEX (F)..79 78 78  
20 FT WIND DIR..SW SW SW  
20 FT WIND SPD..12 12 12  
20 FT WIND GUST.17 17 17  
EYE LVL WND DIR.SW SW SW  
EYE LVL WND SPD.7 7 7  
EYE LVL WND GST.10 10 10  
SURFACE WND DIR.SW SW SW  
SURFACE WND SPD.12 12 12  
SURFACE WND GST.17 17 17  
MIX HGT (KFT)...3.4 2.8 2.4  
TRANSP WIND DIR.SW SW S  
TRANSP WIND SPD.14 15 15  
LVORI...........1 1 1  
ADI.............35 34 32  
VRATE KT-FT/1K..40 36 31  
VENTRATE CAT....FR PR PR  
CEILING (KFT)...25 25 25  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CWR.................4 PERCENT.  
MIN TEMPERATURE.....AROUND 69.  
MAX HUMIDITY........97 PERCENT.  
DEWPOINT............65.  
MAX APPARENT TEMP...76.  
SURFACE WINDS (MPH).SOUTH WINDS 7 TO 10 MPH.  
WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 15 MPH.  
SMOKE DISPERSAL.....FAIR (24500 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (4300 KNOT-FT) LATE IN THE  
NIGHT.  
LVORI...............5.  
ADI.................6 TO 36.  
CEILING (KFT).......24 DECREASING TO 2.0.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 6 MPH.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........11 5 9 19 19 23 23 34 47 51 56 85  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............76 75 72 70 70 69 69 69 69 70 70 70  
DEWPOINT........64 64 64 64 65 65 66 66 66 67 67 67  
RH..............66 69 76 81 84 87 90 90 90 90 90 90  
HEAT INDEX (F)..76 75 72 70 70 69 69 69 69 70 70 70  
20 FT WIND DIR..SW S S S S S S S S S S S  
20 FT WIND SPD..10 9 8 8 7 7 7 7 7 7 7 8  
20 FT WIND GUST.17 16 15 14 14 14 14 13 14 14 14 14  
EYE LVL WND DIR.SW S S S S S S S S S S S  
EYE LVL WND SPD.6 5 5 5 4 4 4 4 4 4 4 5  
EYE LVL WND GST.10 10 9 8 8 8 8 8 8 8 8 8  
SURFACE WND DIR.SW S S S S S S S S S S S  
SURFACE WND SPD.10 9 8 8 7 7 7 7 7 7 7 8  
SURFACE WND GST.17 16 15 14 14 14 14 13 14 14 14 14  
MIX HGT (KFT)...1.9 0.8 0.6 0.5 0.6 0.5 0.6 0.5 0.4 0.4 0.4 0.6  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.15 14 13 13 13 13 13 14 14 15 13 13  
LVORI...........3 3 4 4 5 5 6 6 5 5 5 5  
ADI.............36 15 8 8 6 6 6 6 9 10 8 14  
VRATE KT-FT/1K..25 10 7 6 6 6 6 6 5 5 4 6  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...25 25 25 24 22 22 21 12 7.6 5.3 3.3 2.0  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.  
SHOWERS THROUGH THE DAY. CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
CWR.................5 PERCENT INCREASING TO 29 PERCENT EARLY, THEN  
DECREASING TO 18 PERCENT EARLY IN THE AFTERNOON  
DECREASING TO 8 PERCENT LATE IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........85 PERCENT.  
DEWPOINT............70 INCREASING TO 73 IN THE LATE MORNING AND  
AFTERNOON.  
MAX APPARENT TEMP...79.  
SURFACE WINDS (MPH).SOUTH WINDS 8 TO 14 MPH.  
WIND (20 FT)........SOUTH WINDS 8 TO 14 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
EARLY IN THE AFTERNOON.  
MIXING HEIGHT.......1900 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 20 MPH.  
SMOKE DISPERSAL.....POOR (7500 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (33000 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............6.  
ADI.................1 TO 36.  
CEILING (KFT).......1.4 INCREASING TO 1.9 IN THE MORNING, THEN  
DECREASING TO 1.3 AROUND NOON INCREASING TO 2.8  
EARLY IN THE AFTERNOON INCREASING TO 5.3  
INCREASING TO 7.9 LATE IN THE AFTERNOON  
INCREASING TO 9.5.  
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 8 MPH.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........89 77 81 75 79 80 79 74 58 54 42 35  
WEATHER COV..... SCH CHC LKY LKY DEF DEF LKY CHC CHC SCH  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ ISO CHC CHC CHC SCH ISO  
CWR.............0 10 20 30 30 20 20 20 10 10 10 10  
TEMP............70 71 73 74 76 76 78 78 79 79 79 79  
DEWPOINT........68 70 71 72 73 73 74 74 74 74 74 74  
RH..............93 97 93 93 90 90 88 88 85 85 85 85  
HEAT INDEX (F)..70 71 73 74 76 76 78 78 79 79 79 79  
20 FT WIND DIR..S S S S S S S S S SW SW SW  
20 FT WIND SPD..8 8 9 10 10 12 13 14 14 14 14 13  
20 FT WIND GUST.15 15 15 17 18 20 21 22 22 22 22 21  
EYE LVL WND DIR.S S S S S S S S S SW SW SW  
EYE LVL WND SPD.5 5 5 6 6 7 8 8 8 8 8 8  
EYE LVL WND GST.9 9 9 10 11 12 13 13 13 13 13 13  
SURFACE WND DIR.S S S S S S S S S SW SW SW  
SURFACE WND SPD.8 8 9 10 10 12 13 14 14 14 14 13  
SURFACE WND GST.15 15 15 17 18 20 21 22 22 22 22 21  
MIX HGT (KFT)...0.7 1.0 1.2 1.5 1.7 1.6 1.8 1.8 1.9 1.9 1.8 1.6  
TRANSP WIND DIR.S S S S S S S SW SW SW SW SW  
TRANSP WIND SPD.13 13 14 15 17 15 16 20 20 20 17 18  
LVORI...........5 5 5 5 4 7 6 6 6 4 4 4  
ADI.............14 16 19 25 30 1 1 1 1 36 31 32  
VRATE KT-FT/1K..8 11 14 20 25 21 25 30 33 32 27 26  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...1.4 2.3 1.9 1.9 1.6 1.3 1.3 1.7 2.8 5.3 7.9 9.5  
 

 
FORECASTER...FRANK  
REQUESTED BY...JOEL CARLSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518267.0/BOX  
.DELDT 07/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JOELCARLSON@COMCAST.NET  
 
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