Full list of all 35 Tornado Outbreak achievements worth 1,000 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
Absorb 100 Fire Flyers at once
Absorb 75 Fire Flyers at once
Absorbed 50 Fire Flyers at once
Revealed 15 Fire Flyers at once without grabbing
Released an Orb without losing a Wind Warrior during a Totem approach
Absorb the minimum number of Fire Flyers in a non-tutorial level (non multiplayer)
Released an Orb in multiplayer
Absorbed all 50 Fire Flyers within the last zone of the campground
Completed all levels in Japan.
Completed Showdown with Omegaton
Disrupted the bad man's bad plan
Completed Coastal Calamity
Missed 20 gates, but still completed the race
Military Mayhem Zone 1: Absorbed all 17 scientists before growing 4 times (non multiplayer)
Played in a local multiplayer session
Completed all levels in the United Kingdom.
Completed Camelot Falls
Completed Ringling Village
Completed a Vortex Race with a silver medal.
Performed a Stone Stomp that destroys 10 objects
Completed all levels in the United States.
Completed Carnival Chaos
Absorbed 1300 Fire Flyers
Completed High Roller Blowout
Completed a Vortex Race with a bronze medal.
Completed Military Mayhem
Completed Double Wide Damage.
Completed a Vortex Race with a gold medal.
Destroyed 100 things without absorbing any Fire Flyers
Held at least 20 Fire Flyers before destroying 25 things
Completed Chicken Con Carnage
Absorbed 50 chickens
Unlocked first bonus material
Destroyed a cannon
Unlock all bonus materials