explorer.pass.psu.edu upgrade

During the maintenance window (5-7am) on Wed, Feb 15, the HTTP/S server on
explorer.pass.psu.edu will be upgraded. PASS Explorer will be
unavailable briefly during the maintenance window. (CHG0040569)

More information: explorer.pass.psu.edu upgrade

Story added 15. February 2017, content source with full text you can find at link above.