lee trough

lee trough

[′lē ‚trȯf]
(meteorology)
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References in periodicals archive ?
In summer, southeastern Tasmania can become very hot in a NW gradient stream, causing pressures to fall even more strongly than they do as a normal lee trough forms over eastern and southeastern Tasmania.
i) Under broad westerly (NW to SW) wind flow, the east coast of Tasmania, say within 30 nautical miles of the coast, can come under the influence of a lee trough.
i) Under broad westerly (NW to SW) gradient (900m) wind flow, a lee trough will usually form on the east coast of Tasmania, and effect waters up to 30nm of the coast.