National Agricultural Statistics Service. Weekly Weather and Crop Bulletin(PDF). United States Department of Agriculture. 1997-09-23 [2013-12-11]. (原始内容存档(PDF)于2012-02-14). (页面存档备份,存于互联网档案馆)
National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center. The Northeast and North Central Pacific hurricane database 1949–2013. United States National Oceanic and Atmospheric Administration's National Weather Service. 2014-07-07 [2015-05-03]. (原始内容存档于2014-09-12). A guide on how to read the database is available here.
Franklin, James L.; National Hurricane Center. Hurricane Kenna 2002 (Tropical Cyclone Report). United States National Oceanic and Atmospheric Administration's National Weather Service. 2002-12-26 [2014-07-16]. (原始内容存档于2014-07-16). (页面存档备份,存于互联网档案馆)
National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center. The Northeast and North Central Pacific hurricane database 1949–2013. United States National Oceanic and Atmospheric Administration's National Weather Service. 2014-07-07 [2015-05-03]. (原始内容存档于2014-09-12). A guide on how to read the database is available here.
National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center. The Northeast and North Central Pacific hurricane database 1949–2013. United States National Oceanic and Atmospheric Administration's National Weather Service. 2014-07-07 [2015-05-03]. (原始内容存档于2014-09-12). A guide on how to read the database is available here.
National Agricultural Statistics Service. Weekly Weather and Crop Bulletin(PDF). United States Department of Agriculture. 1997-09-23 [2013-12-11]. (原始内容存档(PDF)于2012-02-14). (页面存档备份,存于互联网档案馆)
Franklin, James L.; National Hurricane Center. Hurricane Kenna 2002 (Tropical Cyclone Report). United States National Oceanic and Atmospheric Administration's National Weather Service. 2002-12-26 [2014-07-16]. (原始内容存档于2014-07-16). (页面存档备份,存于互联网档案馆)