Hi, 'the bay of pigs' is just a phrase I've heard bandied about, more seriously a failed attempt by Cuban exiles to overthrow the Cuban government backed by Nixon, Kennedy and actioned by the CIA.
Our summer has gone pear-shaped would probably be used as well.
Yes we seem to have had Indian summers in recent years, what's the name of that 'weatherman' in Cheshire who forecasts the weather in the local rags, he often gets it right?