000 ABNT20 KNHC 151741 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT MON AUG 15 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM GERT...LOCATED ABOUT 95 MILES EAST-SOUTHEAST OF BERMUDA. A VIGOROUS TROPICAL WAVE IS PRODUCING A LARGE AREA OF CLOUDINESS AND THUNDERSTORMS OVER THE LESSER ANTILLES AND ADJACENT WATERS OF THE ATLANTIC AND CARIBBEAN SEA. THERE ARE NO SIGNS OF A SURFACE CIRCULATION AND PRESSURES ARE NOT FALLING SIGNIFICANTLY WITH THIS DISTURBANCE. HOWEVER...ENVIRONMENTAL CONDITIONS ARE EXPECTED TO BE MARGINALLY FAVORABLE FOR SOME DEVELOPMENT OF THIS SYSTEM DURING THE NEXT FEW DAYS. THIS LARGE DISTURBANCE WILL BRING BRIEF PERIODS OF LOCALLY HEAVY RAINFALL AND GUSTY WINDS TO PORTIONS OF THE LESSER ANTILLES TODAY THROUGH TUESDAY MORNING. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT 15 TO 20 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART