244  
FNUS71 KBOX 300056  
FWSBOX  
 
SPOT FORECAST FOR MILLIS SAR...MILLIS POLICE  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
856 PM EDT WED MAY 29 2024  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 EDT ON MAY 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL  
WEATHER SERVICE.  
   
DISCUSSION
 
 
MAINLY DRY WEATHER PERSISTS FOR THE REMAINDER OF THE EVENING...BUT  
WIDESPREAD RAIN OVERSPREADS THE REGION AFTER MIDNIGHT AND PERSISTS  
INTO THURSDAY MORNING. THE RAIN MAY BE HEAVY FOR A TIME WITH  
EVEN A RUMBLE OR TWO OF THUNDER POSSIBLE. A DRYING TREND IS  
EXPECTED FOR THURSDAY AFTERNOON. WINDS WILL BE FROM THE NORTHEAST  
AT 5 TO 15 MPH. OVERNIGHT LOW TEMPS WILL DROP INTO THE 50S WITH  
HIGHS ON THURSDAY ONLY IN THE 60 TO 65 DEGREE RANGE.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, THEN  
RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT.  
CWR.................11 PERCENT INCREASING TO 93 PERCENT LATE IN THE  
NIGHT.  
CHANCE OF PCPN......60 PERCENT.  
CHANCE OF THUNDER...28 PERCENT.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........90 PERCENT.  
DEWPOINT............53.  
MAX APPARENT TEMP...64.  
MAX APPARENT TEMP...64.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTH AROUND 5 MPH AFTER  
MIDNIGHT, THEN BECOMING LIGHT LATE IN THE NIGHT  
BECOMING NORTH AROUND 5 MPH LATE IN THE NIGHT.  
MIXING HEIGHT.......300 FT AGL.  
CEILING (KFT).......8.2 DECREASING TO 5.4.  
VISIBILITY..........9 DECREASING TO 6 LATE IN THE NIGHT.  
TRANSPORT WINDS.....NORTHWEST 2 TO 3 MPH SHIFTING TO THE NORTH 3 TO  
8 MPH AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (600 KNOT-FT).  
LVORI...............4.  
ADI.................1 TO 5.  
 
TIME (EDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........76 84 86 89 92 93 94 95  
WEATHER COV.....ISO SCT CHC CHC CHC CHC CHC LKY  
WEATHER TYPE....RW RW RN RN RN RN RN RN  
TSTM COV........ ISO ISO SCH ISO  
CWR.............10 10 10 10 90 90 90 90  
CHC OF PCPN (%).20 30 40 50 50 50 50 60  
CHC OF THDR (%).20 20 20 20 30 20 30 30  
TEMP............64 63 62 61 60 59 58 57  
DEWPOINT........54 55 54 54 54 53 52 53  
RH..............70 75 75 78 81 80 80 86  
HEAT INDEX (F)..64 63 62 61 60 59 58 57  
WIND CHILL (F)..64 63 62 61 60 59 58 57  
SURFACE WND DIR.N NE NE N N N N N  
SURFACE WND SPD.1 2 3 3 5 3 5 5  
SURFACE WND GST.5 5 6 7 8 9 10 12  
MIX HGT (KFT)...1.0 0.3 0.4 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.W NW NW N N N N N  
TRANSP WIND SPD.2 2 3 3 5 6 7 8  
LVORI...........3 4 4 4 5 5 4 5  
ADI.............1 1 2 2 3 3 5 5  
VRATE KT-FT/1K..2 1 1 1 2 3 3 4  
VENTRATE CAT....PR PR PR PR PR PR PR PR  
CEILING (KFT)...8.9 8.2 9.1 9.0 7.4 7.5 6.2 5.4  
VISIBILITY (SM).10 10 10 10 10 9 9 6  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF  
RAIN IN THE AFTERNOON.  
CWR.................100 PERCENT DECREASING TO 22 PERCENT LATE IN  
THE AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
CHANCE OF THUNDER...28 PERCENT.  
MAX TEMPERATURE.....AROUND 61.  
MIN HUMIDITY........69 PERCENT.  
DEWPOINT............51.  
MAX APPARENT TEMP...60.  
MAX APPARENT TEMP...60.  
SURFACE WINDS (MPH).NORTH WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......2100 FT AGL.  
CEILING (KFT).......3.0 DECREASING TO 2.0 EARLY IN THE MORNING,  
THEN DECREASING TO 1.2 EARLY DECREASING TO 0.9  
LATE IN THE MORNING INCREASING TO 1.0  
DECREASING TO 0.9 EARLY IN THE AFTERNOON  
INCREASING TO 1.1 INCREASING TO 2.2 LATE IN THE  
AFTERNOON.  
VISIBILITY..........6 DECREASING TO 4 EARLY, THEN DECREASING TO  
2.80 LATE IN THE MORNING INCREASING TO 7 IN THE  
LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....NORTH 9 TO 14 MPH.  
SMOKE DISPERSAL.....POOR (5600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (19800 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................7 TO 16 INCREASING TO 26 TO 28.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........94 93 92 93 94 95 90 85 80 73 67 60  
WEATHER COV.....LKY LKY LKY LKY CHC CHC CHC CHC CHC SCH SCH SCH  
WEATHER TYPE....RN RN RN RN RN RN RN RN RN RN RN RN  
TSTM COV........ISO SCH ISO  
CWR.............90 90 100 100 100 100 100 100 20 20 20 20  
CHC OF PCPN (%).60 60 60 60 50 50 40 40 30 20 20 20  
CHC OF THDR (%).20 30 20 20 20 10 10 10 10 10 10 10  
TEMP............56 56 56 56 57 56 57 58 58 59 60 60  
DEWPOINT........52 53 52 52 51 51 50 51 51 51 51 50  
RH..............86 90 86 86 80 83 77 77 77 75 72 69  
HEAT INDEX (F)..56 56 56 56 57 56 57 58 58 59 60 60  
WIND CHILL (F)..56 56 56 56 57 56 57 58 58 59 60 60  
SURFACE WND DIR.NE N N N N N N N N N NE NE  
SURFACE WND SPD.5 5 6 7 8 8 7 8 8 8 7 6  
SURFACE WND GST.13 13 14 14 15 15 15 16 16 15 14 14  
MIX HGT (KFT)...0.7 0.9 1.1 1.1 1.2 1.3 1.5 1.6 1.8 1.9 2.0 2.1  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.9 12 13 13 14 14 14 13 13 12 12 10  
LVORI...........5 5 4 4 3 4 3 3 3 3 3 3  
ADI.............7 11 16 18 22 23 26 26 28 27 28 26  
VRATE KT-FT/1K..6 9 12 13 15 16 18 18 20 19 20 19  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
CEILING (KFT)...3.0 2.0 1.2 0.9 0.9 0.9 1.0 1.0 0.9 1.1 1.5 2.2  
VISIBILITY (SM).6 6 4 2.8 7 7 7 7 7 7 7 7  
 

 
FORECASTER...FRANK  
REQUESTED BY...CHIEF SOFFAYER  
TYPE OF REQUEST...SAR  
.TAG 2415320.0/BOX  
.DELDT 05/29/24  
.FORMATTERVERSION 2.0.0  
.EMAIL EBERG@SEMRECC.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page Main Text Page