000 ABNT20 KNHC 151151 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT TUE SEP 15 2015 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: A low pressure area located about midway between the Cape Verde Islands and the Lesser Antilles is producing disorganized showers and thunderstorms. Some development of this low is still possible during the next couple of days while it moves generally northwestward. After that time, however, upper-level winds are expected to become unfavorable for development. * Formation chance through 48 hours...medium...60 percent * Formation chance through 5 days...medium...60 percent A low pressure system over the southwestern Gulf of Mexico has moved inland near Tampico, Mexico. Although tropical cyclone development is no longer expected due to land interaction, locally heavy rainfall will be possible over portions of eastern Mexico during the next couple of days as the system moves farther inland. These rains could produce life-threatening flash floods and mudslides. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...near 0 percent A broad low pressure system is located about 375 miles south of the southernmost Cape Verde Islands. Shower and thunderstorm activity continues to show signs of organization, and environmental conditions are expected to be conducive for the formation of a tropical depression over the next few days while the system moves west-northwestward at 10 to 15 mph. * Formation chance through 48 hours...medium...50 percent * Formation chance through 5 days...high...80 percent $$ Forecaster Stewart