000 ABNT20 KNHC 141144 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 AM EDT TUE SEP 14 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE IGOR...LOCATED ABOUT 750 MILES EAST OF THE NORTHERN LEEWARD ISLANDS ...AND ON RECENTLY-UPGRADED HURRICANE JULIA...LOCATED ABOUT 330 MILES WEST OF THE CAPE VERDE ISLANDS. SHOWER ACTIVITY ASSOCIATED WITH A BROAD AREA OF LOW PRESSURE OVER THE NORTHWEST CARIBBEAN SEA HAS BECOME A LITTLE BETTER ORGANIZED THIS MORNING. THIS SYSTEM IS EXPECTED TO MOVE WESTWARD TO WEST-NORTHWESTWARD AT 10 TO 15 MPH OVER THE NEXT COUPLE OF DAYS...AND IT HAS SOME POTENTIAL FOR DEVELOPMENT BEFORE IT MOVES INLAND OVER THE YUCATAN PENINSULA BY WEDNESDAY EVENING. THERE IS A MEDIUM CHANCE...40 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. REGARDLESS OF DEVELOPMENT... LOCALLY HEAVY RAINFALL IS POSSIBLE OVER PORTIONS OF JAMAICA... CUBA...THE CAYMAN ISLANDS...AND THE YUCATAN PENINSULA DURING THE NEXT DAY OR TWO. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN AREAS OF MOUNTAINOUS TERRAIN. AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS SCHEDULED TO INVESTIGATE THIS SYSTEM LATER TODAY...IF NECESSARY. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BEVEN