000 ABNT20 KNHC 182329 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT SAT JUL 18 2009 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A TROPICAL WAVE OVER THE EASTERN CARIBBEAN SEA IS PRODUCING SHOWERS AND THUNDERSTORMS AS IT INTERACTS WITH AN UPPER-LEVEL TROUGH. WHILE RAINFALL ASSOCIATED WITH THE WAVE MAY BE LOCALLY HEAVY AT TIMES...UPPER-LEVEL WINDS ARE NOT CURRENTLY CONDUCIVE FOR SIGNIFICANT DEVELOPMENT OF THE SYSTEM AS IT MOVES WEST-NORTHWESTWARD AT AROUND 15 MPH. THERE IS A LOW CHANCE...LESS THAN 30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. SHOWER ACTIVITY ASSOCIATED WITH A TROPICAL WAVE LOCATED ABOUT 950 MILES EAST OF THE WINDWARD ISLANDS HAS DIMINISHED. THERE IS A LOW CHANCE...LESS THAN 30 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 BEVEN