National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center. «The Northeast and North Central Pacific hurricane database 1949–2019». United States National Oceanic and Atmospheric Administration's National Weather Service A guide on how to read the database is available here.
Stacy R. Stewart (26 de agosto de 2020). «Tropical Depression Thirteen-E». www.nhc.noaa.gov. Miami, Florida: National Hurricane Center. Consultado em 19 de abril de 2021
Andrew Latto (26 de agosto de 2020). «Tropical Storm Hernan Discussion Number 3». www.nhc.noaa.gov. Miami, Florida: National Hurricane Center. Consultado em 12 de dezembro de 2020
National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center. «The Northeast and North Central Pacific hurricane database 1949–2019». United States National Oceanic and Atmospheric Administration's National Weather Service A guide on how to read the database is available here.
