List of things Janna's Tornado interrupts

Akali - Shadow Dance (R)
Alistar - Headbutt (W)
Amumu- Bandage Toss (Q)
Azir - Shifting Sands (E)
Corki - Valkyrie (W)
Diana -Lunar Rush (R)
Fiora - Lunge (Q)
Fizz - Urchin Strike (Q)
Gnar - Hop (E)
Gragas - Body Slam (E)
Graves - Quickdraw (E)
Irelia - Bladesurge (Q)
Jax - Leap Strike (Q)
Jayce - To The Skies! (Q)
Kha'Zix - Leap (E)
Leblanc - Distortion (W)
Lee Sin - Sonic Wave (Q)
Jarvan - E - Q combo
Leona - Zenith Blade (E)
Lucian - Relentless Pursuit (E)
Nautilus - Dredge Line (Q)
Nidalee - Pounce (W)
Pantheon - Aegis of Zeonia (W)
Rek'Sai - Unburrow
Rengar - Passive
Renekton - Slice and Dice (E)
Riven - Broken Wings + Valor (Q+E)
Sejuani Arctic Assault (Q)
Shen Shadow Dash (E)
Thresh Death Sentence (Q) and Dark Passage (W)
Tristana - Rocket Jump (W)
Tryndamere - Spinning Slash (E)
Vi - Vault Breaker (Q)
Wukong - Nimbus Strike (E)
Xin Zhao - Audacious Charge (E)
Zac - Elastic Slingshot (E)
Ziggs - Satchel Charge (W)