000 ABPZ20 KNHC 040915 TWOEP SPECIAL TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 115 AM PST SUN NOV 4 2012 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL DEPRESSION ROSA...LOCATED ABOUT 1045 MILES SOUTHWEST OF CABO SAN LUCAS MEXICO. A WELL-DEFINED SURFACE LOW PRESSURE SYSTEM IS LOCATED ABOUT 330 MILES SOUTHWEST OF MANZANILLO MEXICO. THUNDERSTORM ACTIVITY HAS INCREASED AND BECOME BETTER ORGANIZED OVER THE PAST SEVERAL HOURS...AND SOME FURTHER DEVELOPMENT OF THIS SYSTEM IS POSSIBLE TODAY BEFORE UPPER-LEVEL WINDS BECOME UNFAVORABLE FOR DEVELOPMENT BY MONDAY. THIS SYSTEM HAS A MEDIUM CHANCE...50 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES SLOWLY NORTHEASTWARD TODAY AND NORTHWARD BY MONDAY. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART