000 ABNT20 KNHC 102330 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT WED SEP 10 2014 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Satellite images indicate that the shower activity associated with a broad area of low pressure centered about 650 miles west of the Cape Verde Islands has increased and become a little better organized this evening. This system is now moving toward an area more favorable for development, and a tropical depression could form during the next day or two while the low moves toward the west-northwest and northwest at about 15 mph over the open Atlantic. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...high...70 percent. A weak area of low pressure has formed near the northwestern Bahamas, and its associated shower activity is showing some signs of organization. However, the environment is forecast to become unfavorable for significant development while the low moves slowly westward toward southern Florida. If necessary, an Air Force plane will investigate this system tomorrow. Regardless of development, this low will bring heavy rains over portions of southern Florida and the Florida Keys during the next couple of days. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...medium...30 percent. $$ Forecaster Avila