Heavy rain across the Northeast has left communities submerged and triggered thousands of flight delays and cancellations. ABC News’ Lionel Moise has the images. WATCH the ABC News Live Stream Here: youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: bit.ly/2vZb6yP Watch More on abcnews.go.com LIKE ABC News on FACEBOOK facebook.com/abcnews FOLLOW ABC News on TWITTER: twitter.com/abc #news #flashfloods #flooding #rain #storm #weather #abcnews