Latest 3km NAM suggests an area of very impressive lift/omega (-40 uPa/s or greater) at 700hPa moving northward during the early AM hours of Friday. Flash flooding is a distinct possibility - some areas of Northern NJ have 3-hour flash flood guidance under 0.75". #njwx #nywx pic.twitter.com/mebPjCFUwO

— John Homenuk (@jhomenuk) September 27, 2018