Keywords: JTWC wp2399.gif en Tropical cyclone warning graphic of Tropical Storm Ann 23W from the Joint Typhoon Warning Center 1999-09-15 http //www usno navy mil/NOOC/nmfc-ph/RSS/jtwc/warnings/wp2399 gif not stable Joint Typhoon Warning Center Custom license marker 2014 08 13 PD-USGov-Military-Navy Uploaded with UploadWizard Tropical Storm Ann 1999 Tropical cyclone forecast tracks |