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1. Situated toward the west.
2. Coming or being from the west: westerly winds.
n. pl. west·er·lies
A storm or wind coming from the west.

[Middle English, from wester, western, from Old English westra; see wes-pero- in Indo-European roots.]

west′er·ly adv.


pl n
(Physical Geography) meteorol the prevailing winds blowing from the west on the poleward sides of the horse latitudes, often bringing depressions and anticyclones
References in periodicals archive ?
Another attempt was more successful: Puyehue in Chile erupted on 4 June 2011 and due to the prevailing westerlies, the ash was carried to Western Australia where on 13 June all flights were cancelled.
TALKING of Liverpool One, Mr Brocklebank notes the city's prevailing westerlies over-blow the fountain water in Steers Way.
At mid-latitudes, prevailing westerlies (examples shown below), travel from west to east while blowing toward Earth's poles, Dust from Asia that gets caught in this wind pattern journeys to the U.S.
Stake each plant with a cane on the east side to stop the prevailing westerlies rocking them out of the ground, and make sure all the dead leaves are picked up and composted to remove a hiding place for garden pests to overwinter.
This relationship may be indicative of positive feedback between atmosphere and ocean: Stronger winds cool the ocean surface by enhancing evaporation and heat loss, while colder surface temperatures shift the latitude of the storm track and prevailing westerlies southward.