"WWJP27 RJTD 310600" (RSMC High Seas Bulletin). Japan Meteorological Agency. July 31, 2020. Archived from the original on August 1, 2020. Retrieved 28 August 2020.
"TY 2004 HAGUPIT (2004)" (RSMC Tropical Cyclone Advisory). Japan Meteorological Agency. August 3, 2020. Archived from the original on August 4, 2020. Retrieved 2 September 2020.
"WWJP27 RJTD 310600" (RSMC High Seas Bulletin). Japan Meteorological Agency. July 31, 2020. Archived from the original on August 1, 2020. Retrieved 28 August 2020.
"TY 2004 HAGUPIT (2004)" (RSMC Tropical Cyclone Advisory). Japan Meteorological Agency. August 3, 2020. Archived from the original on August 4, 2020. Retrieved 2 September 2020.