Meteorological synopsis 2011 New England tornado outbreak



reflectivity radar loop of supercell thunderstorm produced ef3 springfield tornado


between 8:18 a.m. , 9:15 a.m. (edt), severe storms producing 1 in (2.5 cm) hail developed on portions of new hampshire, massachusetts , maine; however, little if impact resulted these storms. @ 10:05 a.m., spc issued severe thunderstorm watch entire state of vermont, of northern new york, northeastern pennsylvania , parts of western massachusetts , connecticut. time, broken line of severe storms had developed on parts of western new york , northern pennsylvania. storms gradually developing throughout day , increasing threat of tornadoes, tornado watch issued @ 1:00 p.m. of new england, southern new york, eastern pennsylvania , of new jersey. around 2:00 p.m., severe storms damaging hail, measured 2.75 in (7.0 cm), , winds around 60 mph (97 km/h) developed in eastern new york. these storms gradually tracked east-southeastward vermont , later new hampshire. 1 particular supercell produced large 3.25-inch (8.3 cm) diameter hail @ shaftsbury, vermont after producing funnel cloud , baseball sized hail across border in new york state. @ 2:43 p.m., first of several tornado warnings in area issued southern coos county, new hampshire.


between 3:00 , 3:30 p.m., severe storms developed on western massachusetts , prompted tornado warning issued @ 3:28 p.m. parts of hampden, hampshire , franklin counties. hour later, warning issued springfield, massachusetts , surrounding areas. within minutes, touchdown confirmed near springfield local law enforcement , amateur radio operators. tornado later rated strong ef3 on enhanced fujita scale. @ 1 point, supercell displayed radar characteristics similar historic supercells produced violent tornadoes, such tuscaloosa, al (2011) , moore, ok (1999) on next hour, damage reported far east southbridge long track tornado. other brief touchdowns reported across state afterward well, caused minor damage.


in total, west springfield, westfield, springfield, monson, hampden, wilbraham, brimfield, sturbridge,and southbridge, massachusetts sustained damage long track ef3 tornado . total of 3 (downgraded reported 4) people killed result of tornado , @ least 200 people injured severe weather across state. outbreak included first killer tornado in massachusetts since 1995 great barrington tornado.








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