Tornado Alley (PROG)

[F6]

pressure at both Martha's Vineyard and Nantucket now down to 969.4mb (28.63") ( http://forecast.weather.gov/MapClick.php?site=box&FcstType=text&zmx=1&zmy=1&site=BOX&map.x=236&map.y=240 ; http://forecast.weather.gov/MapClick.php?site=box&FcstType=text&zmx=1&zmy=1&site=BOX&map.x=289&map.y=251 ) -- storm center c. 50 miles SSW of Nantucket ( http://radar.weather.gov/radar.php?rid=box&product=N0R&overlay=11101111&loop=no ; http://radar.weather.gov/radar.php?rid=BOX&product=N0R&overlay=11101111&loop=yes ), moving steadily ENE to NE