000
ABNT20 KNHC 012354
TWOAT 

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT THU SEP 1 2011

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

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM KATIA...LOCATED ABOUT 930 MILES EAST OF THE NORTHERN LEEWARD
ISLANDS AND ON NEWLY FORMED TROPICAL DEPRESSION THIRTEEN LOCATED
ABOUT 225 SOUTHWEST OF THE MOUTH OF THE MISSISSIPPI RIVER.

SHOWER ACTIVITY ASSOCIATED WITH A LOW PRESSURE SYSTEM LOCATED ABOUT
500 MILES SOUTH OF HALIFAX NOVA SCOTIA HAS NOT BECOME ANY BETTER
ORGANIZED DURING THE PAST SEVERAL HOURS. HOWEVER...THIS SYSTEM IS
PRODUCING WINDS OF TROPICAL STORM FORCE...AND ONLY A SLIGHT
INCREASE IN ORGANIZATION COULD RESULT IN THE FORMATION OF A
TROPICAL STORM. THE LOW IS MOVING LITTLE AT THIS TIME...BUT SHOULD
BEGIN TO MOVE NORTHEASTWARD AT 10 TO 15 MPH TONIGHT.  THIS SYSTEM
HAS A MEDIUM CHANCE...40 PERCENT...OF BECOMING A TROPICAL CYCLONE
DURING THE NEXT 48 HOURS.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

PUBLIC ADVISORIES ON TROPICAL DEPRESSION THIRTEEN ARE ISSUED UNDER
WMO HEADER WTNT33 KNHC AND UNDER AWIPS HEADER MIATCPAT3.
FORECAST/ADVISORIES ARE ISSUED UNDER WMO HEADER WTNT23 KNHC AND
UNDER AWIPS HEADER MIATCMAT3.

$$
FORECASTER BROWN/AVILA