000
ABNT20 KNHC 211158
TWOAT 
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT TUE SEP 21 2010

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE
IGOR...LOCATED ABOUT 150 MILES SOUTH OF CAPE RACE NEWFOUNDLAND...
AND ON RECENTLY UPGRADED TROPICAL STORM LISA...LOCATED ABOUT 530
MILES WEST-NORTHWEST OF THE CAPE VERDE ISLANDS. 

SHOWERS AND THUNDERSTORMS OVER MUCH OF THE WINDWARD ISLANDS AND THE
SOUTHEASTERN CARIBBEAN SEA ARE ASSOCIATED WITH A TROPICAL WAVE.
ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR SOME GRADUAL
DEVELOPMENT DURING THE NEXT COUPLE OF DAYS AS THE DISTURBANCE MOVES
WESTWARD AT 10 TO 15 MPH. 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 STEWART