875  
FNUS71 KBOX 220131  
FWSBOX  
 
SPOT FORECAST FOR K9 KITT SPOTREQ 2...SOUTHEASTERN MASSACHUSETTS REGIONAL 911  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
931 PM EDT MON JUN 21 2021  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 EDT ON JUNE 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 508-622-3250.  
   
DISCUSSION
 
 
 
A COLD FRONT WILL SWING ACROSS SOUTHERN NEW ENGLAND DURING THE DAY  
ON TUESDAY BRINGING WIDESPREAD SHOWERS AND A CHANCE OF EMBEDDED  
THUNDERSTORMS TO THE REGION. STORMS ARE NOT EXPECTED TO BE SEVERE.  
THE BEST CHANCE FOR ISOLATED THUNDERSTORMS ACROSS SOUTHEAST  
MASSACHUSETTS DURING THE LATE MORNING AND EARLY AFTERNOON HOURS.  
 
   
REST OF TONIGHT
 
 
TIME (EDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
CHC OF PCPN (%).10 10 10 10 20 20 20 20  
CHC OF RAIN (%).0 0 0 0 20 20 20 20  
CHC OF THDR (%).0 0 0 0 0 0 0 0  
TEMP............73 72 72 71 70 70 69 69  
HEAT INDEX (F)..73 72 72 71 70 70 69 69  
20 FT WIND DIR..S S S SW S SW SW SW  
20 FT WIND SPD..8 7 7 6 5 5 5 5  
20 FT WIND GUST.21 20 20 17 15 14 14 12  
EYE LVL WND DIR.S S S SW S SW SW SW  
EYE LVL WND SPD.5 4 4 4 3 3 3 3  
EYE LVL WND GST.13 12 12 10 9 8 8 7  
SURFACE WND DIR.S S S SW S SW SW SW  
SURFACE WND SPD.8 7 7 6 5 5 5 5  
SURFACE WND GST.21 20 20 17 15 14 14 12  
   
TUESDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
CHC OF PCPN (%).20 10 10 10 10 10 10 20 30 40 50 50  
CHC OF RAIN (%).20 0 0 0 0 0 0 20 40 40 40 40  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............69 71 72 74 77 79 79 80 79 76 73 69  
HEAT INDEX (F)..69 71 72 74 77 79 79 82 79 76 73 69  
20 FT WIND DIR..SW W W W W W W W W W NW NW  
20 FT WIND SPD..3 5 5 5 6 6 7 7 8 8 8 7  
20 FT WIND GUST.13 13 14 14 14 15 16 17 17 18 18 18  
EYE LVL WND DIR.SW W W W W W W W W W NW NW  
EYE LVL WND SPD.2 3 3 3 4 4 4 4 5 5 5 4  
EYE LVL WND GST.8 8 8 8 8 9 10 10 10 11 11 11  
SURFACE WND DIR.SW W W W W W W W W W NW NW  
SURFACE WND SPD.3 5 5 5 6 6 7 7 8 8 8 7  
SURFACE WND GST.13 13 14 14 14 15 16 17 17 18 18 18  
   
TUESDAY NIGHT
 
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
CHC OF PCPN (%).50 30 20 20 10 10  
CHC OF RAIN (%).40 40 20 20 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............68 67 63 61 58 55  
HEAT INDEX (F)..68 67 63 61 58 55  
20 FT WIND......NW 7 NW 7 NW 6 NW 6 NW 6 NW 6  
20 FT WIND GUST.15 12 12 13 14 14  
EYE LEVEL WIND..NW 4 NW 4 NW 4 NW 4 NW 4 NW 4  
EYE LVL WND GST.9 7 7 8 8 8  
SURFACE WIND....NW 7 NW 7 NW 6 NW 6 NW 6 NW 6  
SURFACE WND GST.15 12 12 13 14 14  
   
WEDNESDAY
 
 
TIME (EDT) 6 AM 10 AM 2 PM  
CHC OF PCPN (%).0 0 0  
CHC OF RAIN (%).0 0 0  
CHC OF THDR (%).0 0 0  
TEMP............55 65 73  
HEAT INDEX (F)..55 65 73  
20 FT WIND......N 7G14 NW 7G15 NW 6G16  
EYE LEVEL WIND..N 4G8 NW 4G9 NW 4G10  
SURFACE WIND....N 7G14 NW 7G15 NW 6G16  
 

 
FORECASTER...KS  
REQUESTED BY...ROBERT VERDONE  
TYPE OF REQUEST...OTHER  
.TAG 2114489.0/BOX  
.DELDT 06/21/21  
.EMAIL RVERDONE@SEMRECC.GOV  
 
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