WSRA31 RUYK 110533 UEEE SIGMET 1 VALID 110540/110940 UEEE- UEEE YAKUTSK FIR SEV TURB FCST NE OF LINE N6425 E15137 - N7311 E14337 AND SW OF LINE N6731 E16322 - N7204 E15935 FL250/330 STNR NC=