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WSRA31 RUKR 210830

UNKL SIGMET 8 VALID 210900/211200 UNKL-
UNKL KRASNOYARSK FIR SEV ICE FCST S OF LINE N6055 E08300 - N6039
E09120 - N6101 E09325 - N5838 E10320 AND N OF LINE N5721 E08810 -
N5745 E09544 - N5803 E10230 SFC/FL100 MOV NE 20KMH NC=