Later on June 28, Sperry was upgraded into a severe tropical storm by the JMA. On the next day, both agencies upgraded Sperry into a typhoon, the second of
every four years. The sets followed the example of the western Pacific typhoon naming lists and excluded names beginning with the letters Q, U, X, Y and
548 U.S. ___ (2006), Slip Opinion, p. 68, available at supremecourt.gov Sperry, C. (1906). "The Revision of the Geneva Convention, 1906". Proceedings of
it broke free of its mooring and drifted away. October 17, 1918 Hewitt-Sperry Automatic Airplane N-9 0 Malfunction North Atlantic Ocean (S. of Long Island