Keywords: JTWC wp2113.gif en 5day forecast trackmap for Tropical Storm 21W Sepat 2013-09-30 http //www usno navy mil/NOOC/nmfc-ph/RSS/jtwc/warnings/wp2113 gif not stable Joint Typhoon Warning Center / Naval Research Laboratory PD-USGov-Military-Navy Tropical Storm Sepat 2013 Tropical cyclone forecast tracks |