****0000000173**** WSMC31 GMMC 170640 GMMM SIGMET T03 VALID 170640/170900 GMMC- GMMM CASABLANCA FIR EMBD TS OBS N OF LINE N3550 W00850 - N3400 W00600 - N3550 W00600 TOP FL3240 MOV NE NC=