936  
FLUS41 KBOX 210810  
HWOBOX  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
410 AM EDT SUN JUL 21 2019  
 
ANZ230>237-250-251-254>256-220815-  
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-  
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL  
MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND  
NANTUCKET-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO  
20 NM SOUTH OF BLOCK ISLAND-  
410 AM EDT SUN JUL 21 2019  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS AND RHODE  
ISLAND COASTAL WATERS.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
SCATTERED THUNDERSTORMS MAY DEVELOP IN THE AFTERNOON AND EVENING. IF  
THEY DO, THEY COULD PRODUCE LOCALLY DAMAGING WIND GUSTS AND LARGE  
HAIL.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
MONDAY AFTERNOON THROUGH TUESDAY...  
SHOWERS AND SCATTERED THUNDERSTORMS WILL SPREAD ACROSS THE WATERS  
MONDAY AND CONTINUE THROUGH TUESDAY NIGHT. FOG AND LOCAL DOWNPOURS  
MAY CAUSE VISIBILITY OF 1 TO 3 NM.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 

 
 
CTZ002>004-MAZ002>019-026-RIZ001-002-220815-  
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-  
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-  
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA-  
WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA-  
SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA-  
SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA-  
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-  
NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-  
410 AM EDT SUN JUL 21 2019  
   
..EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT, CENTRAL  
MASSACHUSETTS, EASTERN MASSACHUSETTS, NORTHEASTERN MASSACHUSETTS,  
SOUTHEASTERN MASSACHUSETTS, WESTERN MASSACHUSETTS AND NORTHERN  
RHODE ISLAND.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE  
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.  
 
EXCESSIVE HEAT WARNING.  
 
A FEW THUNDERSTORMS MAY DEVELOP THIS AFTERNOON AND EVENING. IF THEY  
DO FORM, THEY COULD CAPABLE OF LOCALLY DAMAGING WIND GUSTS AND  
POSSIBLY LARGE HAIL.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
MONDAY AFTERNOON THROUGH TUESDAY...  
LOCAL DOWNPOURS MAY PRODUCE URBAN AND POOR DRAINAGE FLOODING.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 

 
 
MAZ022-023-220815-  
BARNSTABLE MA-DUKES MA-  
410 AM EDT SUN JUL 21 2019  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
...AIR QUALITY ALERT IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT  
THIS EVENING...  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE  
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.  
 
HEAT ADVISORY.  
AIR QUALITY ALERT.  
 
A FEW THUNDERSTORMS MAY DEVELOP THIS AFTERNOON AND EVENING. IF THEY  
DO FORM, THEY COULD CAPABLE OF LOCALLY DAMAGING WIND GUSTS AND  
POSSIBLY LARGE HAIL.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
MONDAY AFTERNOON THROUGH TUESDAY...  
LOCAL DOWNPOURS MAY PRODUCE URBAN AND POOR DRAINAGE FLOODING.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 

 
 
MAZ020-021-RIZ003>007-220815-  
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-WESTERN KENT RI-  
EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI-  
410 AM EDT SUN JUL 21 2019  
   
..EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
...AIR QUALITY ALERT IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT  
THIS EVENING...  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS,  
NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE  
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.  
 
EXCESSIVE HEAT WARNING.  
AIR QUALITY ALERT.  
 
A FEW THUNDERSTORMS MAY DEVELOP THIS AFTERNOON AND EVENING. IF THEY  
DO FORM, THEY COULD CAPABLE OF LOCALLY DAMAGING WIND GUSTS AND  
POSSIBLY LARGE HAIL.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
MONDAY AFTERNOON THROUGH TUESDAY...  
LOCAL DOWNPOURS MAY PRODUCE URBAN AND POOR DRAINAGE FLOODING.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 

 
 
MAZ024-RIZ008-220815-  
NANTUCKET MA-BLOCK ISLAND RI-  
410 AM EDT SUN JUL 21 2019  
 
...AIR QUALITY ALERT IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT  
THIS EVENING...  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS  
AND SOUTHERN RHODE ISLAND.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE  
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.  
 
AIR QUALITY ALERT.  
 
A FEW THUNDERSTORMS MAY DEVELOP THIS AFTERNOON AND EVENING. IF THEY  
DO FORM, THEY COULD CAPABLE OF LOCALLY DAMAGING WIND GUSTS AND  
POSSIBLY LARGE HAIL.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
MONDAY AFTERNOON THROUGH TUESDAY...  
LOCAL DOWNPOURS MAY PRODUCE URBAN AND POOR DRAINAGE FLOODING.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 

 
 
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT  
WWW.WEATHER.GOV/BOSTON  
 
YOU CAN FOLLOW US ON FACEBOOK AT  
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV  
 
YOU CAN FOLLOW US ON TWITTER AT  
@NWSBOSTON  
 
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