n large air elemental 

Perception +18; darkvision

Languages Auran

Skills Acrobatics +20, Stealth +18

Str +4 Dex +7 Con +4 Int -1 Wis +3 Cha +0

AC  30; Fort +15, Ref +20, Will +16

HP 120; Immunities bleed, poison, paralyzed, sleep

High Winds (air, aura) 20 feet. Air within the emanation is difficult terrain for Flying creatures that do not have the air trait.

Disperse [R] Trigger The living whirlwind takes damage from a hostile action. Effect The storm lord disperses. Until the end of the current turn, it can't be attacked or targeted, doesn't take up space, and any auras or emanations it has are suppressed. At the end of the turn, the storm lord reforms in any space in which it can fit within 50 feet of where it dispersed and any auras or emanations it has are restored as long as their duration didn't run out while it was dispersed.

Speed fly 75 feet; swiftness

Melee [>] gust +20 (finesse, reach 15 feet), Damage 2d12+10 bludgeoning plus Push 5 feet

Ranged [>] lightning lash +20 (range increment 50 feet), Damage 2d12+4 electricity

Swiftness The storm lord's movement doesn't trigger reactions.

Bestiary, page 145. Expanded in LOIL.