Severe Thunderstorm Warning 39, NWS Boston/Norton, MA

Issued

Jun 29, 2020, 2:30 PM EDT (18:30 UTC)

Expired

Jun 29, 2020, 3:04 PM EDT

In force

34 min

Issued by

NWS Boston/Norton, MA

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

Counties Barnstable County, MA, Dukes County, MA

The Boston radar (KBOX), 65 km from the middle of the area, began a volume at 18:32 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.

070 
WUUS51 KBOX 291830
SVRBOX
MAC001-007-291930-
/O.NEW.KBOX.SV.W.0039.200629T1830Z-200629T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Boston/Norton MA
230 PM EDT Mon Jun 29 2020

The National Weather Service in Boston/Norton has issued a

* Severe Thunderstorm Warning for...
  Central Dukes County in southeastern Massachusetts...
  Southwestern Barnstable County in southeastern Massachusetts...

* Until 330 PM EDT.

* At 228 PM EDT, a severe thunderstorm was over Buzzards Bay about 7 
  miles southeast of Mattapoisett, or 8 miles west of Falmouth, 
  moving southeast 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.

* This severe thunderstorm will be near...
  Gosnold and Woods Hole around 255 PM EDT.
  Chilmark around 305 PM EDT.
  Oak Bluffs, Tisbury and West Tisbury around 315 PM EDT.
  Edgartown around 330 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Frequent lightning is occurring with this storm. Move indoors 
immediately. Remember, if you can hear thunder, you are close enough 
to be struck by lightning.

Boaters should head to safe harbor now.

&&

LAT...LON 4139 7075 4143 7070 4147 7076 4145 7081
      4146 7081 4152 7070 4146 7066 4148 7061
      4152 7069 4157 7064 4164 7066 4164 7064
      4156 7049 4155 7056 4153 7062 4145 7060
      4147 7056 4144 7055 4134 7070
TIME...MOT...LOC 1828Z 314DEG 13KT 4156 7075 

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

JWD

237 
WWUS51 KBOX 291904
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
304 PM EDT Mon Jun 29 2020

MAC001-007-291914-
/O.CAN.KBOX.SV.W.0039.000000T0000Z-200629T1930Z/
Dukes MA-Barnstable MA-
304 PM EDT Mon Jun 29 2020

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DUKES AND SOUTHWESTERN
BARNSTABLE COUNTIES IS CANCELLED...
                
The storms which prompted the warning have weakened and no longer 
poses an immediate threat to life or property. Therefore, the 
warning has been cancelled.

&&

LAT...LON 4139 7075 4143 7070 4147 7076 4145 7081
      4146 7081 4152 7070 4146 7066 4148 7061
      4152 7069 4157 7064 4164 7066 4164 7064
      4156 7049 4155 7056 4153 7062 4145 7060
      4147 7056 4144 7055 4134 7070
TIME...MOT...LOC 1902Z 314DEG 13KT 4147 7063 

$$

JWD

Severe Thunderstorm Warnings in Massachusetts, 2020Every severe thunderstorm warning in 2020

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