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The USNO websites aa.usno.navy.mil, ad.usno.navy.mil, aristarchus.usno.navy.mil, maia.usno.navy.mil, rorf.usno.navy.mil, toshi.usno.navy.mil, and tycho.usno.navy.mil are undergoing modernization efforts. The expected completion of the work and the estimated return of service is Fall 2020, subject to change due to potential impacts of COVID-19.

USNO

Meteorology

The following Meterology components have moved their publicly-available products to http://www.metoc.navy.mil/:
Joint Typhoon Warning Center (JTWC)
Naval Oceanography Operations Command (NOOC)
Fleet Numerical Meteorology and Oceanography Center (FNMOC)

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The Sky This Week: The Sky This Week, 2020 August 4 - 11; More…

Tropical Warning Information: Click here to go to Joint Typhoon Warning Center new site for North-West Pacific Ocean, South Pacific Ocean, and Indian Ocean Tropical Cyclone Warnings

Fleet Weather Center Norfolk Virginia Tropical Warning Information: Click here to go to Fleet Weather Center Norfolk new site for Atlantic Tropical Warnings