000
ABNT20 KNHC 182330
TWOAT 
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT SAT SEP 18 2010

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

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE
IGOR...LOCATED ABOUT 325 MILES SOUTH OF BERMUDA...AND ON TROPICAL
STORM JULIA...LOCATED ABOUT 1500 MILES WEST-SOUTHWEST OF THE AZORES.  

A LOW PRESSURE SYSTEM LOCATED A COUPLE HUNDRED MILES WEST OF THE
CAPE VERDE ISLANDS IS MOVING WESTWARD AT 5 TO 10 MPH. THUNDERSTORM
ACTIVITY HAS INCREASED DURING THE PAST FEW HOURS AND ENVIRONMENTAL
CONDITIONS ARE GRADUALLY BECOMING MORE FAVORABLE FOR ADDITIONAL
DEVELOPMENT OF THIS DISTURBANCE. THERE IS A MEDIUM CHANCE...
40 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING 
THE NEXT 48 HOURS.

CLOUDINESS AND THUNDERSTORMS SITUATED OVER MUCH OF THE WESTERN GULF
OF MEXICO...SOUTHERN TEXAS...AND NORTHEASTERN MEXICO ARE ASSOCIATED
WITH A WESTWARD-MOVING SURFACE TROUGH LOCATED INLAND OVER THE RIO
GRANDE VALLEY OF EXTREME SOUTHERN TEXAS AND NORTHEASTERN MEXICO.
THIS BROAD DISTURBANCE IS EXPECTED TO CONTINUE MOVING FARTHER
INLAND...AND THERE IS A LOW CHANCE...NEAR 0 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