****0000000189**** WSMC31 GMMC 180230 GMMM SIGMET U01 VALID 180300/180700 GMMC- GMMM CASABLANCA FIR SEV TURB FCST N OF LINE N3545 W00430 - N3440 W00600 - N3450 W00735 - N3545 W00710 SFC/FL070 STNR WKN=