trowal

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noun

The projection on the Earth's surface of the trough of warm air aloft formed during the occlusion process of the depression.

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Meanings

trowal1

nountrowal (plural trowals)

plural trowals

  1. climatologyThe projection on the Earth's surface of the trough of warm air aloft formed during the occlusion process of the depression.

    Mid-tropospheric frontogenesis occurred to the northwest of the negative EPV region as the trowal airstream became confluent with the cold air to the north of the cyclone.

    2010, William R. Cotton, Storm and Cloud Dynamics, page 564

TROWAL2

nounTROWAL (plural TROWALs)

plural TROWALs

  1. alternativeAlternative form of trowal.

Origin

Short for trough of warm air aloft.

Full word history & related roots →
Cite this entry
APA

trowal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/trowal

MLA

“trowal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trowal. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “trowal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/trowal.

Source: trowal on Wiktionary, CC BY-SA 4.0.