000 ABNT20 KNHC 210534 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SAT AUG 21 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A WESTWARD-MOVING TROPICAL WAVE IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS OVER THE EXTREME SOUTHWESTERN GULF OF MEXICO. THERE IS A LOW CHANCE...10 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE BEFORE MOVING INLAND OVER MEXICO LATER TODAY. SHOWERS AND THUNDERSTORMS ARE DISORGANIZED IN ASSOCIATION WITH AN ELONGATED AREA OF LOW PRESSURE LOCATED ABOUT 320 MILES SOUTHWEST OF THE CAPE VERDE ISLANDS. ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR DEVELOPMENT AND A TROPICAL DEPRESSION COULD FORM DURING THE NEXT COUPLE OF DAYS. THERE IS A MEDIUM CHANCE...40 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES SLOWLY WESTWARD. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER CANGIALOSI