"Best Track – Typhoon Kate". Joint Typhoon Warning Center. Guam: United States Military. Archived from the original on October 10, 2012. Retrieved August 22, 2011.
"Best Track – Typhoon Opal". Pearl Harbor, Hawaii: Joint Typhoon Warning Center. 2011. Archived from the original on October 10, 2012. Retrieved August 16, 2011.
"Archived copy"(PDF). www.ptc-wmoescap.org. Archived from the original(PDF) on March 3, 2016. Retrieved May 22, 2022.{{cite web}}: CS1 maint: archived copy as title (link)
"Best Track – Typhoon Kate". Joint Typhoon Warning Center. Guam: United States Military. Archived from the original on October 10, 2012. Retrieved August 22, 2011.
"Best Track – Typhoon Opal". Pearl Harbor, Hawaii: Joint Typhoon Warning Center. 2011. Archived from the original on October 10, 2012. Retrieved August 16, 2011.
"Archived copy"(PDF). www.ptc-wmoescap.org. Archived from the original(PDF) on March 3, 2016. Retrieved May 22, 2022.{{cite web}}: CS1 maint: archived copy as title (link)