Roaring Forties

E244532

meteorological phenomenon westerly wind wind belt

The Roaring Forties are strong westerly winds found in the Southern Hemisphere between about 40° and 50° latitude, historically notorious among sailors for producing rough seas and fast eastward passages.

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All labels observed (4)

Label	Occurrences
Roaring Forties canonical	3
the Roaring Forties	2
Southern Ocean wind belt	1
Southern Westerlies	1

Statements (46)

Predicate	Object
instanceOf	meteorological phenomenon ⓘ westerly wind ⓘ wind belt ⓘ
affects	southern coasts of Australia ⓘ southern coasts of New Zealand ⓘ southern coasts of South America ⓘ
associatedWith	frequent storms ⓘ large ocean waves ⓘ rapid eastward movement of low-pressure systems ⓘ rough seas ⓘ strong winds ⓘ
cause	Coriolis effect ⓘ pressure gradient between subtropical high-pressure belt and subpolar low-pressure belt ⓘ
climateImpact	enhanced precipitation in mid-latitude Southern Hemisphere regions ⓘ influence on weather of southern continental margins ⓘ
climatologicalRole	important component of global atmospheric circulation ⓘ major driver of Southern Hemisphere mid-latitude weather ⓘ
energyPotential	high potential for offshore wind energy ⓘ
foundOver	South Atlantic ⓘ surface form: South Atlantic Ocean Southwest Indian Ocean ⓘ surface form: South Indian Ocean South Pacific Ocean ⓘ Southern Ocean ⓘ
historicallyNotedBy	sailors of the Age of Sail ⓘ
historicallyUsedFor	fast eastward sailing passages ⓘ
influences	Southern Ocean wave climate ⓘ ocean surface currents in the Southern Hemisphere ⓘ storm tracks in mid-latitudes of Southern Hemisphere ⓘ
locatedIn	Southern Hemisphere ⓘ
modernRelevance	important for global shipping routes in the Southern Ocean ⓘ important for yacht racing and round-the-world sailing events ⓘ
nameOrigin	nickname given by sailors for the roaring sound of strong winds ⓘ
navigationSignificance	critical consideration for route planning of sailing vessels ⓘ
notoriousFor	hazardous sailing conditions ⓘ ship damage and shipwreck risk ⓘ
partOf	Southern Hemisphere mid-latitude westerly wind belt ⓘ
prevailingWindDirection	west-to-east ⓘ
relatedTo	the Furious Fifties ⓘ surface form: Furious Fifties the Screaming Sixties ⓘ surface form: Screaming Sixties
strongerInSeason	Southern Hemisphere winter ⓘ
strongestOver	open ocean areas with minimal land interruption ⓘ
typicalEnvironment	remote, sparsely inhabited oceanic regions ⓘ
typicalLatitudeRange	40°S–50°S ⓘ
weakenedBy	landmasses such as Africa ⓘ landmasses such as Australia ⓘ landmasses such as South America ⓘ
windType	westerlies ⓘ

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

the Furious Fifties → follows → Roaring Forties ⓘ

subject surface form: Furious Fifties

the Furious Fifties → isSimilarTo → Roaring Forties ⓘ

subject surface form: Furious Fifties

the Screaming Sixties → follows → Roaring Forties ⓘ

this entity surface form: the Roaring Forties

the Screaming Sixties → sharesPropertyWith → Roaring Forties ⓘ

this entity surface form: the Roaring Forties

Cape Horn rounding → associatedWith → Roaring Forties ⓘ

Patagonian Ice Fields → hasClimateInfluenceFrom → Roaring Forties ⓘ

this entity surface form: Southern Westerlies

Brouwer Route → region → Roaring Forties ⓘ

this entity surface form: Southern Ocean wind belt