WTPQ50 RJTD 210900 RSMC TROPICAL CYCLONE ADVISORY NAME TS 2404 PRAPIROON (2404) ANALYSIS PSTN 210900UTC 17.0N 110.6E FAIR MOVE NW 09KT PRES 998HPA MXWD 035KT GUST 050KT 30KT 90NM FORECAST 24HF 220900UTC 20.1N 109.0E 42NM 70% MOVE NNW 09KT PRES 998HPA MXWD 035KT GUST 050KT 45HF 230600UTC 21.5N 108.6E 70NM 70% TROPICAL DEPRESSION =