WVAN31 FNLU 140900 RRA FNAN SIGMET A1 VALID 140900/141500 FNLU - FNAN LUANDA FIR/UIR VA ERUPTION MT TEST WI S0763 E02068 VA CLD OBS AT 0830Z S0841 E02134 - S0884 E02024 - S0776 E02033 TOP FL480 STNR=