WSMO31 ZMUB 220237 CCB
ZMUB SIGMET 01 VALID 220200/220600 ZMUB-
ZMUB ULAANBAATAR FIR SEV TURB FCST S OF LINE N4635 E9099 - N4635
E9373 - N4710 E9733 - N4575 E10304 - N4345 E10795 
FL280/410 MOV E 20KMH WKN=