I guess we are a little off the original topic, but as far as I can see the flood canopy is still the teaching. The most recent quote I found was
WT 2011 3/15 pages 24-28 par 10
”Picture the scene. The big day finally arrives. It is the 17th day of the second month of the year 2370 B.C.E., and they go into the ark. Jehovah shuts the door, and it begins to rain. This is no mere local flood. The water canopy, or heavenly ocean, bursts open, and a torrential downpour pounds the ark.”
So they are not only specific on the date but the heavenly ocean canopy.....