13:00 EDT
Five minutes later...
Reverse.
This striking "Omega" formation lasted less than a minute. The top
began to warp to the right, then broke up into what looked like an
unwinding helix. Eventually, notice the formation of a new eruption
to the right of the loop's footing. The tall streamers vanished
utterly about this time (and none of these drawings shows
them at their best.