000 ABPZ20 KNHC 100531 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 1100 PM PDT SUN OCT 9 2011 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE JOVA...LOCATED ABOUT 275 MILES SOUTHWEST OF MANZANILLO MEXICO...AND ON TROPICAL STORM IRWIN...LOCATED ABOUT 820 MILES SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH A LOW PRESSURE SYSTEM A FEW HUNDRED MILES SOUTH OF THE GULF OF TEHUANTEPEC HAS DIMINISHED THIS EVENING AND IS DISPLACED TO THE WEST OF THE CENTER OF CIRCULATION. HOWEVER...UPPER-LEVEL WINDS COULD BECOME A LITTLE MORE CONDUCIVE FOR DEVELOPMENT OVER THE NEXT COUPLE OF DAYS AS THE LOW MOVES EASTWARD OR NORTHEASTWARD AT 5 TO 10 MPH. THIS SYSTEM HAS A MEDIUM CHANCE...50 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. INTERESTS ALONG THE PACIFIC COASTS OF SOUTHERN MEXICO...GUATEMALA...EL SALVADOR...HONDURAS...AND NICARAGUA SHOULD MONITOR THE PROGRESS OF THIS DISTURBANCE. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER ROBERTS/BROWN