000 ABPZ20 KNHC 161142 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT THU MAY 16 2013 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM ALVIN...LOCATED FAR TO THE SOUTH OF MAINLAND MEXICO. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. && PUBLIC ADVISORIES ON TROPICAL STORM ALVIN ARE ISSUED UNDER WMO HEADER WTPZ31 KNHC AND UNDER AWIPS HEADER MIATCPEP1. FORECAST/ ADVISORIES ARE ISSUED UNDER WMO HEADER WTPZ21 KNHC AND UNDER AWIPS HEADER MIATCMEP1. $$ FORECASTER BERG