Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 31/2110Z OBS VA DTG: 31/2110Z to 15000 ft (4600 m) Volcano Discovery 22:49 Tue, 31 Mar
Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 31/0310Z EST VA DTG: 31/1510Z to 15000 ft (4600 m) Volcano Discovery 16:33 Tue, 31 Mar
