Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >
The Historic Tornado Outbreak of April 27, 2011 across East Tennessee and Southwest VirginiaTornado track map across the WFO Morristown County Warning Area on April 27
|
|
This outbreak began with the first wave of severe thunderstorms that moved across middle Tennessee and northern Alabama in the early morning hours of April 27, 2011. These storms continued into east Tennessee before weakening in central east Tennessee.
NOTE: these radar loops have missing frames and will skip in places.
After this initial line of severe thunderstorms weakened, additional supercells (i.e. rotating thunderstorms) redeveloped over middle Tennessee and Alabama in the afternoon.
NOTE: these radar loops have missing frames and will skip in places.
The incredibly strong wind field kept additional supercells (i.e. rotating thunderstorms) redeveloping over east Tennessee and southwest Virginia late into the evening.
NOTE: these radar loops have missing frames and will skip in places.