****0000000172**** WSMC31 GMMC 201930 GMMM SIGMET M04 VALID 202000/202400 GMMC- GMMM CASABLANCA FIR SEV MTW FCST E OF LINE N3545 W00500 - N3105 W00830 - N2750 W01005 FL040/280 STNR NC=