000 ABNT20 KNHC 272336 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT WED OCT 27 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... A NEARLY-STATIONARY LOW PRESSURE SYSTEM IS LOCATED ABOUT 1200 MILES NORTHWEST OF THE NORTHERNMOST CAPE VERDE ISLANDS. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THE LOW REMAIN DISPLACED WELL TO THE EAST OF THE CIRCULATION CENTER DUE TO UNFAVORABLE UPPER-LEVEL WINDS. DURING THE NEXT DAY OR SO...THE UPPER-LEVEL ENVIRONMENT COULD BECOME MARGINALLY CONDUCIVE FOR DEVELOPMENT AND THERE IS A MEDIUM CHANCE...30 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. DISORGANIZED SHOWERS AND THUNDERSTORMS ASSOCIATED WITH AN UPPER- LEVEL AND SURFACE TROUGH ARE LOCATED ABOUT 650 MILES NORTHEAST OF THE NORTHERN LEEWARD ISLANDS. ENVIRONMENTAL CONDITIONS COULD BECOME MORE FAVORABLE FOR DEVELOPMENT OF THIS DISTURBANCE DURING THE NEXT DAY OR TWO. THERE IS A MEDIUM CHANCE...30 PERCENT...OF THIS SYSTEM BECOMING A SUBTROPICAL OR TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT 10 TO 15 MPH. A VIGOROUS TROPICAL WAVE IS LOCATED OVER THE TROPICAL ATLANTIC ABOUT 1100 MILES EAST-SOUTHEAST OF THE WINDWARD ISLANDS. ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR SOME SLOW DEVELOPMENT OF THIS SYSTEM DURING THE NEXT COUPLE OF DAYS. THERE IS A LOW CHANCE...20 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD OR WEST-NORTHWESTWARD AT 15 TO 20 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BROWN