WSTU31 LTAC 250010 LTAA SIGMET 1 VALID 250010/250410 LTAC- LTAA ANKARA FIR EMBD TS FCST SE OF LINE N3644 E03741 - N4028 E03933 - N4031 E04126 - N4033 E04339 TOP FL300 MOV N 12KT NC =