000 ABNT20 KNHC 141749 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM 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 710 MILES EAST OF THE NORTHERN LEEWARD ISLANDS ...AND ON HURRICANE JULIA...LOCATED ABOUT 355 MILES WEST-NORTHWEST OF THE SOUTHERNMOST CAPE VERDE ISLANDS. SHOWER ACTIVITY ASSOCIATED WITH A LOW PRESSURE AREA LOCATED ABOUT 315 MILES EAST OF CHETUMAL MEXICO CONTINUES TO BECOME BETTER ORGANIZED...AND AN AIR FORCE RESERVE HURRICANE HURRICANE HUNTER AIRCRAFT IS CURRENTLY EN ROUTE TO DETERMINE IF A TROPICAL CYCLONE HAS FORMED. THE SYSTEM IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...AND INTERESTS IN THE YUCATAN PENINSULA OF MEXICO AND BELIZE SHOULD MONITOR THE PROGRESS OF THIS SYSTEM AS WARNINGS MAY BE NEEDED FOR PORTIONS OF THIS AREA THIS AFTERNOON. THERE IS A HIGH CHANCE...90 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...THE YUCATAN PENINSULA...AND BELIZE DURING THE NEXT DAY OR TWO. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN AREAS OF MOUNTAINOUS TERRAIN. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BEVEN