000
ABPZ20 KNHC 181732
TWOEP 
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT FRI SEP 18 2009

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM MARTY...LOCATED ABOUT 360 MILES WEST-SOUTHWEST OF THE
SOUTHERN TIP OF BAJA CALIFORNIA.

SHOWER AND THUNDERSTORM ACTIVITY CONTINUES TO BECOME BETTER
ORGANIZED IN ASSOCIATION WITH A SMALL AREA OF LOW PRESSURE LOCATED
ABOUT 150 MILES SOUTHWEST OF MANZANILLO MEXICO. ENVIRONMENTAL
CONDITIONS APPEAR FAVORABLE FOR ADDITIONAL DEVELOPMENT...AND
A TROPICAL DEPRESSION COULD FORM IN THE NEXT DAY OR TWO AS THIS
SYSTEM MOVES WEST-NORTHWESTWARD AT AROUND 10 MPH. THERE IS A HIGH
CHANCE...GREATER THAN 50 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 BRENNAN