WTPH23 RPMM 051800 TTT WARNING 01 TD TIME 1800 UTC 00 17.6N 117.8E 1004HPA 25KT P06HR W 10KT P+12 18.1N 117.3E P+24 18.6N 116.6E P+36 19.8N 115.2E P+48 20.9N 113.7E P+60 21.9N 112.1E P+72 22.6N 111.0E P+96 23.5N 108.8E PAGASA=