WVFR34 LFPW 081000 LFMM SIGMET Y01 VALID 081000/081100 LFPW- LFMM MARSEILLE FIR/UIR EXER VA ERUPTION MT CHAINE DES PUYS PSN N4546 E00258 VA CLD FCST WI N4500 E00315 - N4530 E00300 - N4515 E00345 - N4500 E00315 SFC/FL050 WKN FCST AT 1100Z NO VA EXP=