WVJP31 RJTD 130444 RJJJ SIGMET H01 VALID 130444/131044 RJTD- RJJJ FUKUOKA FIR VA ERUPTION MT SAKURAJIMA (AIRA CALDERA) PSN N3136 E13039 VA CLD OBS AT 0434Z ABV FL060 MOV N=