"Archived copy"(PDF). Archived from the original(PDF) on December 17, 2014. Retrieved December 17, 2014.{{cite web}}: CS1 maint: archived copy as title (link)
"xmACIS2". National Oceanic and Atmospheric Administration. Retrieved June 14, 2023.
web.archive.org
"Archived copy"(PDF). Archived from the original(PDF) on December 17, 2014. Retrieved December 17, 2014.{{cite web}}: CS1 maint: archived copy as title (link)