Severe Thunderstorm Warning 68, NWS Boston/Norton, MA

Issued

Jul 14, 2021, 6:38 PM EDT (22:38 UTC)

Expired

Jul 14, 2021, 7:30 PM EDT

In force

52 min

Issued by

NWS Boston/Norton, MA

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Worcester County, MA

The Boston radar (KBOX), 106 km from the middle of the area, began a volume at 22:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

877 
WUUS51 KBOX 142238
SVRBOX
MAC011-013-015-027-142330-
/O.NEW.KBOX.SV.W.0068.210714T2238Z-210714T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Boston/Norton MA
638 PM EDT Wed Jul 14 2021

The National Weather Service in Boston/Norton has issued a

* Severe Thunderstorm Warning for...
  Southwestern 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 730 PM EDT.

* At 637 PM EDT, a severe thunderstorm was located over Pelham, or
  near Amherst, moving east at 15 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect wind damage to trees and power lines. Minor hail 
           damage to vehicles is possible.

* Locations impacted include...
  Amherst, South Hadley, Belchertown, Palmer, Ware, Rutland, Granby,
  Barre, Warren, North Brookfield, Hubbardston, West Brookfield,
  Brookfield, Hardwick, Oakham, Shutesbury, Pelham, Petersham, New
  Braintree and New Salem.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4226 7257 4253 7238 4245 7197 4217 7212
TIME...MOT...LOC 2237Z 281DEG 13KT 4240 7240 

HAIL...1.00IN
WIND...60MPH
 
$$

RM

239 
WWUS51 KBOX 142301
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
701 PM EDT Wed Jul 14 2021

MAC011-013-015-027-142330-
/O.CON.KBOX.SV.W.0068.000000T0000Z-210714T2330Z/
Worcester MA-Hampshire MA-Franklin MA-Hampden MA-
701 PM EDT Wed Jul 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHWESTERN WORCESTER...SOUTHEASTERN HAMPSHIRE...SOUTHEASTERN
FRANKLIN AND EAST CENTRAL HAMPDEN COUNTIES...

At 700 PM EDT, a severe thunderstorm was located near Hardwick, or 11
miles east of Amherst, moving east at 15 mph.

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

SOURCE...Radar indicated.

IMPACT...Expect wind damage to trees and power lines. Minor hail 
         damage to vehicles is possible.

Locations impacted include...
Amherst, South Hadley, Belchertown, Palmer, Ware, Rutland, Granby,
Barre, Warren, North Brookfield, Hubbardston, West Brookfield,
Brookfield, Hardwick, Oakham, Shutesbury, Pelham, Petersham, New
Braintree and New Salem.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to 
flash flooding in low lying areas and areas with pour drainage. Do 
not drive your vehicle through flooded roadways.

&&

LAT...LON 4226 7257 4247 7240 4245 7197 4217 7212
TIME...MOT...LOC 2300Z 281DEG 13KT 4238 7229 

HAIL...1.00IN
WIND...60MPH
 
$$

RM

Severe Thunderstorm Warnings in Massachusetts, 2021Every severe thunderstorm warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.