000 ABNT20 KNHC 202330 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 700 PM EST SUN NOV 20 2016 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Shower and thunderstorm activity associated with a well-defined low pressure area over the extreme southwestern Caribbean Sea have become a little better organized during the past couple of hours. Environmental conditions are conducive for additional development, and a tropical depression is likely to form tonight or Monday while the low remains nearly stationary. For additional information on this system, see High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...high...80 percent * Formation chance through 5 days...high...90 percent && High Seas Forecasts issued by the National Weather Service can be found under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and at http://www.opc.ncep.noaa.gov/shtml/NFDHSFAT1.shtml. $$ Forecaster Brown