Keywords: Tropical Cyclone 21S (Hubert) 2006-04-05 1730Z.jpg Tropical Cyclone 21S Hubert 2006-04-05 1730Z 2006-04-05 http //www npmoc navy mil/jtwc/satshots/sh2106sair jpg <br>q v http //www npmoc navy mil/jtwc html Joint Typhoon Warning Center PD-USGov-Military-Navy PD-USGov-Military-Navy 2005-06 Australian region cyclone season |