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Severe Thunderstorm Warning 0049
Issued by the Boston Forecast Office

Action Issued Starts Expiration
New 2026-08-13 13:25:49 2026-08-13 13:25:00 2026-08-13 14:30:00
Continued 2026-08-13 13:56:05 2026-08-13 14:30:00
Cancelled 2026-08-13 13:56:05 2026-08-13 14:30:00
Expired 2026-08-13 14:25:21 2026-08-13 14:30:00


Action: New
Issued At: 2026-08-13 13:25:49

237 
WUUS51 KBOX 131825
SVRBOX
MAC001-005-023-131930-
/O.NEW.KBOX.SV.W.0049.260813T1825Z-260813T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Boston/Norton MA
225 PM EDT Thu Aug 13 2026

The National Weather Service in Boston/Norton has issued a

* Severe Thunderstorm Warning for...
  Western Barnstable County in southeastern Massachusetts...
  Southern Plymouth County in southeastern Massachusetts...
  Central Bristol County in southeastern Massachusetts...

* Until 330 PM EDT.

* At 225 PM EDT, a severe thunderstorm was located over
  Middleborough, or near Bridgewater, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Plymouth, Taunton, Bridgewater, Marion, Middleborough, Wareham,
  Bourne, East Bridgewater, Raynham, Kingston, Carver, Lakeville,
  Hanson, Halifax, Rochester, and Plympton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4163 7069 4165 7069 4164 7072 4190 7105
      4204 7089 4184 7050 4183 7049 4182 7047
TIME...MOT...LOC 1825Z 310DEG 13KT 4192 7088 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FT


Action: Continued
Issued At: 2026-08-13 13:56:05

234 
WWUS51 KBOX 131855
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
255 PM EDT Thu Aug 13 2026

MAC005-131905-
/O.CAN.KBOX.SV.W.0049.000000T0000Z-260813T1930Z/
Bristol MA-
255 PM EDT Thu Aug 13 2026

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BRISTOL COUNTY IS
CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4163 7069 4165 7068 4164 7071 4184 7095
      4198 7079 4184 7050 4183 7050 4182 7047
TIME...MOT...LOC 1855Z 310DEG 13KT 4185 7077 

$$

MAC001-023-131930-
/O.CON.KBOX.SV.W.0049.000000T0000Z-260813T1930Z/
Barnstable MA-Plymouth MA-
255 PM EDT Thu Aug 13 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR WESTERN BARNSTABLE AND SOUTHEASTERN PLYMOUTH COUNTIES...

At 255 PM EDT, a severe thunderstorm was located over Carver, or 7
miles west of Plymouth, moving southeast at 15 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Plymouth, Marion, Middleborough, Wareham, Bourne, Kingston, Carver,
Lakeville, Rochester, and Plympton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4163 7069 4165 7068 4164 7071 4184 7095
      4198 7079 4184 7050 4183 7050 4182 7047
TIME...MOT...LOC 1855Z 310DEG 13KT 4185 7077 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FT


Action: Cancelled
Issued At: 2026-08-13 13:56:05

234 
WWUS51 KBOX 131855
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
255 PM EDT Thu Aug 13 2026

MAC005-131905-
/O.CAN.KBOX.SV.W.0049.000000T0000Z-260813T1930Z/
Bristol MA-
255 PM EDT Thu Aug 13 2026

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BRISTOL COUNTY IS
CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4163 7069 4165 7068 4164 7071 4184 7095
      4198 7079 4184 7050 4183 7050 4182 7047
TIME...MOT...LOC 1855Z 310DEG 13KT 4185 7077 

$$

MAC001-023-131930-
/O.CON.KBOX.SV.W.0049.000000T0000Z-260813T1930Z/
Barnstable MA-Plymouth MA-
255 PM EDT Thu Aug 13 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR WESTERN BARNSTABLE AND SOUTHEASTERN PLYMOUTH COUNTIES...

At 255 PM EDT, a severe thunderstorm was located over Carver, or 7
miles west of Plymouth, moving southeast at 15 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Plymouth, Marion, Middleborough, Wareham, Bourne, Kingston, Carver,
Lakeville, Rochester, and Plympton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4163 7069 4165 7068 4164 7071 4184 7095
      4198 7079 4184 7050 4183 7050 4182 7047
TIME...MOT...LOC 1855Z 310DEG 13KT 4185 7077 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FT


Action: Expired
Issued At: 2026-08-13 14:25:21

139 
WWUS51 KBOX 131924
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
324 PM EDT Thu Aug 13 2026

MAC001-023-131934-
/O.EXP.KBOX.SV.W.0049.000000T0000Z-260813T1930Z/
Barnstable MA-Plymouth MA-
324 PM EDT Thu Aug 13 2026

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN BARNSTABLE AND
SOUTHEASTERN PLYMOUTH COUNTIES WILL EXPIRE AT 330 PM EDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 4163 7069 4165 7068 4164 7071 4184 7095
      4198 7079 4184 7050 4183 7050 4182 7047
TIME...MOT...LOC 1924Z 310DEG 13KT 4180 7068 

$$

FT



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