WSRA31 RUMG 250108 UHMM SIGMET M02 VALID 250200/250600 UHMM- UHMM MAGADAN FIR SEV TURB FCST WI N6700 W16858 - N6500 W16858 - N6403 W17212 - N6120 W17745 - N6150 E17445 - N6220 E17300 - N6730 E17100 - N6700 E17900 - N6700 W16858 SFC/FL150 STNR NC=