WSCN07 CWAO 130046 CZQX SIGMET Y1 VALID 130045/130445 CWUL- CZQX GANDER DOMESTIC FIR SEV ICE (FZRA) FCST WI N5104 W05704 - N4723 W06111 - N4718 W05946 - N4938 W05606 - N5030 W05100 - N5230 W05130 - N5104 W05704 SFC/FL040 STNR NC=