****0000000173**** WSRS31 RURD 311615 URRV SIGMET 11 VALID 311630/311900 URRR- URRV ROSTOV-NA-DONU FIR EMBD TS OBS S OF LINE N4310 E04145 - N4611 E04324 - N4424 E04930 TOP FL370 STNR NC=