UASR61 WSSS 141018 ARS SIA183 130NM NORTH OF 0412N 10433E AT F360 DUE MOD TO HIGH TURB DESC F320 FROM F360 AT 0952UTC= ARS CPA635 130NM NORTH OF 0412N 10433E AT F400 DUE MOD TO HIGH TURB DESC FROM F400 TO F360 AT 0950UTC=