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Severe Thunderstorm Warning 0007
Issued by the Boston Forecast Office

Action Issued Starts Expiration
New 2026-05-19 16:16:31 2026-05-19 16:15:00 2026-05-19 17:15:00
Cancelled 2026-05-19 16:33:02 2026-05-19 17:15:00
Continued 2026-05-19 16:33:02 2026-05-19 17:15:00
Continued 2026-05-19 16:52:32 2026-05-19 17:15:00
Expired 2026-05-19 17:06:03 2026-05-19 17:15:00


Action: New
Issued At: 2026-05-19 16:16:31

196 
WUUS51 KBOX 192115
SVRBOX
MAC011-013-015-027-192215-
/O.NEW.KBOX.SV.W.0007.260519T2115Z-260519T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Boston/Norton MA
515 PM EDT Tue May 19 2026

The National Weather Service in Boston/Norton has issued a

* Severe Thunderstorm Warning for...
  Central Worcester County in central Massachusetts...
  Southeastern Hampshire County in western Massachusetts...
  Southeastern Franklin County in western Massachusetts...
  East central Hampden County in western Massachusetts...

* Until 615 PM EDT.

* At 515 PM EDT, a severe thunderstorm was located near West
  Brookfield, or 16 miles east of Amherst, moving east at 40 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to trees and power lines.

* Locations impacted include...
  Worcester, Leominster, Shrewsbury, Westborough, Grafton, Holden,
  Auburn, Belchertown, Northborough, Clinton, Millbury, Charlton,
  Palmer, Spencer, Leicester, Ware, Sturbridge, Monson, Lancaster,
  and Rutland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4252 7162 4224 7162 4212 7237 4233 7241
TIME...MOT...LOC 2115Z 255DEG 33KT 4228 7221 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FN


Action: Cancelled
Issued At: 2026-05-19 16:33:02

691 
WWUS51 KBOX 192132
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
532 PM EDT Tue May 19 2026

MAC011-015-192141-
/O.CAN.KBOX.SV.W.0007.000000T0000Z-260519T2215Z/
Hampshire MA-Franklin MA-
532 PM EDT Tue May 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAMPSHIRE AND
SOUTHEASTERN FRANKLIN COUNTIES IS CANCELLED...

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

LAT...LON 4243 7162 4224 7162 4213 7228 4232 7217
TIME...MOT...LOC 2131Z 255DEG 33KT 4232 7201 

$$

MAC013-027-192215-
/O.CON.KBOX.SV.W.0007.000000T0000Z-260519T2215Z/
Worcester MA-Hampden MA-
532 PM EDT Tue May 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR CENTRAL WORCESTER AND EASTERN HAMPDEN COUNTIES...

At 531 PM EDT, a severe thunderstorm was located over Oakham, or 10
miles west of Worcester, moving east at 40 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         trees and power lines.

Locations impacted include...
Worcester, Shrewsbury, Westborough, Grafton, Holden, Auburn,
Northborough, Clinton, Millbury, Charlton, Spencer, Leicester,
Sturbridge, Rutland, Sterling, West Boylston, Warren, Bolton, Paxton,
and North Brookfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4243 7162 4224 7162 4213 7228 4232 7217
TIME...MOT...LOC 2131Z 255DEG 33KT 4232 7201 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FT


Action: Continued
Issued At: 2026-05-19 16:33:02

691 
WWUS51 KBOX 192132
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
532 PM EDT Tue May 19 2026

MAC011-015-192141-
/O.CAN.KBOX.SV.W.0007.000000T0000Z-260519T2215Z/
Hampshire MA-Franklin MA-
532 PM EDT Tue May 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAMPSHIRE AND
SOUTHEASTERN FRANKLIN COUNTIES IS CANCELLED...

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

LAT...LON 4243 7162 4224 7162 4213 7228 4232 7217
TIME...MOT...LOC 2131Z 255DEG 33KT 4232 7201 

$$

MAC013-027-192215-
/O.CON.KBOX.SV.W.0007.000000T0000Z-260519T2215Z/
Worcester MA-Hampden MA-
532 PM EDT Tue May 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR CENTRAL WORCESTER AND EASTERN HAMPDEN COUNTIES...

At 531 PM EDT, a severe thunderstorm was located over Oakham, or 10
miles west of Worcester, moving east at 40 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         trees and power lines.

Locations impacted include...
Worcester, Shrewsbury, Westborough, Grafton, Holden, Auburn,
Northborough, Clinton, Millbury, Charlton, Spencer, Leicester,
Sturbridge, Rutland, Sterling, West Boylston, Warren, Bolton, Paxton,
and North Brookfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4243 7162 4224 7162 4213 7228 4232 7217
TIME...MOT...LOC 2131Z 255DEG 33KT 4232 7201 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FT


Action: Continued
Issued At: 2026-05-19 16:52:32

230 
WWUS51 KBOX 192151
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
551 PM EDT Tue May 19 2026

MAC013-027-192215-
/O.CON.KBOX.SV.W.0007.000000T0000Z-260519T2215Z/
Worcester MA-Hampden MA-
551 PM EDT Tue May 19 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTHERN WORCESTER AND EASTERN HAMPDEN COUNTIES...

At 551 PM EDT, a severe thunderstorm was located over West Boylston,
or near Shrewsbury, moving east at 40 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         trees and power lines.

Locations impacted include...
Worcester, Shrewsbury, Westborough, Grafton, Holden, Auburn,
Northborough, Millbury, Charlton, Spencer, Leicester, Sturbridge,
West Boylston, Warren, Paxton, North Brookfield, Boylston, West
Brookfield, Brimfield, and Brookfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4240 7162 4224 7162 4213 7228 4228 7206
TIME...MOT...LOC 2151Z 255DEG 33KT 4237 7176 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

FN


Action: Expired
Issued At: 2026-05-19 17:06:03

651 
WWUS51 KBOX 192205
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
605 PM EDT Tue May 19 2026

MAC013-027-192215-
/O.EXP.KBOX.SV.W.0007.000000T0000Z-260519T2215Z/
Worcester MA-Hampden MA-
605 PM EDT Tue May 19 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WORCESTER AND EASTERN
HAMPDEN COUNTIES WILL EXPIRE AT 615 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 4240 7162 4224 7162 4213 7228 4228 7206
TIME...MOT...LOC 2205Z 255DEG 33KT 4240 7161 

$$

FN



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