000 ABNT20 KNHC 211730 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT SAT AUG 21 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... SATELLITE IMAGES INDICATE THAT SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A LOW PRESSURE AREA LOCATED ABOUT 550 MILES WEST-SOUTHWEST OF THE CAPE VERDE ISLANDS HAVE BECOME MUCH BETTER ORGANIZED DURING THE PAST FEW HOURS. ENVIRONMENTAL CONDITIONS ARE FAVORABLE FOR A TROPICAL DEPRESSION TO FORM DURING THE NEXT DAY OR SO AS THE LOW MOVES WEST-NORTHWESTWARD AT 5 TO 10 MPH. THERE IS A HIGH CHANCE... 60 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BLAKE