Tornado Warning 9, NWS Boston/Norton, MA

Issued

Sep 1, 2021, 11:56 PM EDT (03:56 UTC)

Expired

Sep 2, 2021, 12:45 AM EDT

In force

49 min

Issued by

NWS Boston/Norton, MA

Area

Storm-based polygon

Tornado

Radar indicated

Hail

0.75 in

Counties Barnstable County, MA, Dukes County, MA

The Boston radar (KBOX), 67 km from the middle of the area, began a volume at 04:01 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.

247 
WFUS51 KBOX 020356
TORBOX
MAC001-007-020445-
/O.NEW.KBOX.TO.W.0009.210902T0356Z-210902T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
1156 PM EDT Wed Sep 1 2021

The National Weather Service in Boston/Norton has issued a

* Tornado Warning for...
  North central Dukes County in southeastern Massachusetts...
  Northwestern Barnstable County in southeastern Massachusetts...

* Until 1245 AM EDT.
    
* At 1156 PM EDT, a severe thunderstorm capable of producing a
  tornado was located near Gosnold, or 7 miles west of Tisbury,
  moving northeast at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Tisbury around 1200 AM EDT.
  Falmouth around 1215 AM EDT.
  Mashpee around 1225 AM EDT.
  Sandwich and Bourne around 1230 AM EDT.
  Barnstable around 1235 AM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4137 7072 4146 7063 4152 7067 4145 7083
      4154 7065 4168 7062 4168 7066 4181 7053
      4172 7030 4172 7035 4171 7033 4176 7017
      4208 7021 4189 7004 4178 7014 4187 7001
      4198 7008 4189 6996
TIME...MOT...LOC 0356Z 224DEG 36KT 4149 7075 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

RM

242 
WWUS51 KBOX 020418
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
1218 AM EDT Thu Sep 2 2021

MAC001-007-020445-
/O.CON.KBOX.TO.W.0009.000000T0000Z-210902T0445Z/
Dukes MA-Barnstable MA-
1218 AM EDT Thu Sep 2 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
NORTHEASTERN DUKES AND SOUTHWESTERN BARNSTABLE COUNTIES...
    
At 1217 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Falmouth, moving northeast at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Mashpee around 1235 AM EDT.
  Sandwich and Bourne around 1240 AM EDT.
  Barnstable around 1245 AM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 4146 7059 4152 7066 4152 7067 4153 7068
      4154 7065 4168 7062 4168 7064 4180 7050
      4173 7031 4172 7035 4171 7033 4176 7018
      4175 7017
TIME...MOT...LOC 0417Z 225DEG 32KT 4157 7061 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

RM

Tornado Warnings in Massachusetts, 2021Every tornado warning in 2021Tornadoes in 2021

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.