1.9 Fire Nuke

/summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~ ~30 ~ {power:[0.0,-3.0,0.0],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~1 ~30 ~ {power:[0.4,-3.0,0.0],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~1 ~30 ~1 {power:[0.4,-3.0,0.4],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~ ~30 ~1 {power:[0.0,-3.0,0.4],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~-1 ~30 ~1 {power:[-0.4,-3.0,0.4],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~-1 ~30 ~ {power:[-0.4,-3.0,0.0],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~-1 ~30 ~-1 {power:[-0.4,-3.0,-0.4],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~ ~30 ~-1 {power:[0.0,-3.0,-0.4],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/summon Fireball ~1 ~30 ~-1 {power:[0.4,-3.0,-0.4],ExplosionPower:127}"},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~ ~4 ~ command_block 0 replace {Command:fill ~ ~2 ~ ~ ~-15 ~1 air}},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~ ~3 ~1 stone},Time:1,Passengers:[{id:"FallingSand",Block:command_block,TileEntityData:{Command:"/fill ~ ~0 ~1 ~ ~-11 ~1 redstone_block"},Time:1,Passengers:[{id:"FallingSand",Block:redstone_block,Time:1}]}]}]}]}]}]}]}]}]}]}]}]}]}