WSGL31 BGSF 251907
BGGL SIGMET U03 VALID 251910/252310 BGSF-
BGGL NUUK FIR SEV TURB FCST AT 1910Z WI N6537 W03833 - N6720 W03339 -
 N6657 W03322 - N6521 W03729 - N6537 W03833 SFC/FL120 STNR WKN=