Patch 3.13 Server Maintenance Announced

On 10/30 at 3 AM PST for NA, 04:00 UK Time for EUW, and 02:00 CEST for EUNE, the servers will go down for maintenance and patch 3.13 will be applied!

Here's the NA version of the announcement by Riot Zaps:

"Summoners, 

On 10/30/13, starting at 01:30 AM PST, ranked queues will be disabled in preparation for patch 3.13. At 03:00 AM PST, the servers will be shut down and all games currently in progress will end in a draw and stats will not be recorded. We estimate the battlegrounds will be unavailable for 6 hours."

Here's a collection of all the server maintenance threads:

NA, EUW,EUNE,OCE,RU,LAN, LAS, TR, BR