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Radar analysis of possible Warren, RI tornado

The severe thunderstorm that moved from the West Bay to the East Bay in RI just after 4 pm on Tuesday, September 3, 2013 may have produced a brief tornado in Barrington and/or Warren, RI. Residents reported a brief period of extremely intense wind and rain, and significant tree damage in parts of Barrington and Warren. Some of the greatest damage in Warren, RI was near Market Street. As you can see in the radar analysis video, that is where the radar picked up on a brief period of strong winds and rotation.

From the National Weather Service regarding our question about whether they would conduct a site survey: There are no plans for a site survey. Although we saw some rotation earlier when the storms were near Block Island, the storms near Barrington/Warren were simply a collapsing core…a strong one, but no rotation so straight-line winds.

Doppler radar radial velocity shows possible tornado in Warren, RI on September 3, 2013

0424 PM     HAIL             BARRINGTON              41.74N  71.32W
09/03/2013  M1.00 INCH       BRISTOL            RI   NWS EMPLOYEE    

0426 PM     TSTM WND DMG     BARRINGTON              41.74N  71.32W
09/03/2013                   BRISTOL            RI   AMATEUR RADIO   

            LARGE BRANCH AND WIRES DOWN ON PLYMOUTH DRIVE 

0426 PM     TSTM WND DMG     BARRINGTON              41.74N  71.32W
09/03/2013                   BRISTOL            RI   AMATEUR RADIO   

            LARGE TREE DOWN ON DEVONSHIRE DRIVE. TWO FOOT DIAMETER 
            TREES DOWN ON THE GOLF COURSE AT RI COUNTRY CLUB. LARGE 
            BRANCHES DOWN ON MIDDLE HIGHWAY AND NYATT ROAD. 

0426 PM     TSTM WND DMG     WARREN                  41.72N  71.27W
09/03/2013                   BRISTOL            RI   AMATEUR RADIO   

            LARGE BRANCH PARTIALLY BLOCKING MARKET STREET 

0426 PM     FLOOD            WARREN                  41.72N  71.27W
09/03/2013                   BRISTOL            RI   AMATEUR RADIO   

            MAIN STREET FLOODED AND NEAR IMPASSIBLE 

0426 PM     TSTM WND DMG     WARREN                  41.72N  71.27W
09/03/2013                   BRISTOL            RI   AMATEUR RADIO   

            SEVERAL LARGE BRANCHES DOWN ACROSS MARKET STREET 

0426 PM     TSTM WND DMG     BARRINGTON              41.74N  71.32W
09/03/2013                   BRISTOL            RI   AMATEUR RADIO   

            TREE AND WIRES DOWN ON OPECHEE STREET 

0428 PM     TSTM WND DMG     SWANSEA                 41.75N  71.18W
09/03/2013                   BRISTOL            MA   AMATEUR RADIO   

            TREE DOWN ON ROUTE 136
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