000 ABNT20 KNHC 222333 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT TUE JUN 22 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A TROPICAL WAVE OVER THE CENTRAL CARIBBEAN SEA IS MOVING WESTWARD ABOUT 10 MPH AND IS SPREADING CLOUDINESS AND THUNDERSTORMS OVER PORTIONS OF THE DOMINICAN REPUBLIC...HAITI... JAMAICA...AND EASTERN CUBA. THIS SYSTEM HAS CHANGED LITTLE IN ORGANIZATION TODAY BUT ENVIRONMENTAL CONDITIONS ARE FORECAST TO BECOME MORE FAVORABLE FOR SLOW DEVELOPMENT AS THE WAVE REACHES THE WESTERN CARIBBEAN SEA IN A DAY OR TWO. THERE IS A LOW CHANCE...20 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 AVILA/ROBERTS