000 ABNT20 KNHC 211134 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT FRI OCT 21 2016 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: An area of low pressure centered about 450 miles south-southeast of Cape Hatteras, North Carolina, is moving northward. The thunderstorm activity is very limited and the chances for this system to become a subtropical or tropical cyclone are diminishing. This low is expected to merge with a large frontal system tonight or early Saturday. * Formation chance through 48 hours...medium...40 percent * Formation chance through 5 days...medium...40 percent $$ Forecaster Avila