From Lexicanum

A list of named warp storms plaguing the galaxy.

Segmentum	Name	Notes	Source	Location
Obscurus	Eye of Terror	Largest warp storm in the galaxy, created by the birth of Slaanesh, cited over the original Eldar homeworlds. Major entrance known as the Cadian Gate and guarded by the fortress Cadia. Many Black Crusades and other daemonic incursions originate here.	Codex: Chaos Daemons (4th Edition)
Solar	Gates of Fire	Dual warp storms	Codex: Chaos Daemons (4th Edition)
Tempestus	Storms of Judgement	Three large warp storms engulfing a large area of the south west of the segmentum. Engulfs almost all of the Caradryad sector on the Southern Rim. Close to the Ophelia system.	Codex: Chaos Daemons (4th Edition)
	Vortex of Despair	Is located near the middle area of the boundary that separates Segmentum Tempestus and Ultima Segmentum.	Codex: Chaos Daemons (4th Edition)
	Tallarn	Is located north-west of the Vortex of Despair.	Codex: Chaos Daemons (4th Edition)
Ultima	The Storm of Magnus	Close to Prospero.	Codex: Chaos Daemons (4th Edition)
	Maelstrom	Home to many rogues, pirates and corsairs.	Codex: Chaos Daemons (4th Edition)
	Storm of the Emperor's Wrath		Codex: Chaos Daemons (4th Edition)
	Perfidian Gap		Codex: Chaos Daemons (4th Edition)
	Heart of Darkness		Codex: Chaos Daemons (4th Edition)
	The Dark Maw		Codex: Chaos Daemons (4th Edition)
	Inferno Reach		Codex: Chaos Daemons (4th Edition)
	Celtor's Flux		Codex: Chaos Daemons (4th Edition)
	Van Grothe's Rapidity		Codex: Chaos Daemons (4th Edition)
Unknown	Mosaik Sector	Commenced 897.M34, not yet ceased.	Apocalypse, p.175	Unknown
	Bethsamnel Sector	Commenced 342.M38, ceased 879.M40.	Apocalypse, p.175	Unknown
	Ghostmare sub-sector (Syranius Sector)	Commenced 569.M39, not yet ceased.	Apocalypse, p.175	Unknown
	Goridion Prime (Hive World)	Commenced 149.M32, ceased 287.M36.	Apocalypse, p.175	Unknown
	Hive Calatalcus (Orphian Secundus)	Commenced 293.M37, ceased 843.M40.	Apocalypse, p.175	Unknown