My most recent batch almost ended up like this. I checked on it yesterday only to find the lid was bulging as the airlock had clogged up with krausen. I replaced the airlock with a blowoff tube, and everything has calmed down, but I can't help but think that it was a close call.
On Deck: Chav Irish Red
Pipe Dreams: Chai Porter
Primary #1: Empty
Primary #2: Empty
Primary #3: Imperial Oatmeal Stout
Bottle Conditioning/Drinking: Brown Porter, Pale blonde session ale