Mountain Meteorology: Cold Air Damming

B. A. Colle

doi:10.1016/B978-0-323-96026-7.00080-1

Mountain Meteorology: Cold Air Damming

B. A. Colle

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Abstract

Cold air damming (CAD) occurs when cold, stable air becomes topographically blocked by relatively long, continuous mountain ranges. The cold air becomes rotationally trapped against the mountain to form a pressure wedge and low-level jet parallel to the barrier. The cold dome can be further modified by diabatic processes within the planetary boundary layer. This article summarizes the structure and evolution of CAD. The large-scale flow patterns associated with CAD are highlighted, with particular emphasis on the Appalachian Mountains and Rocky Mountains. Finally, some of the societal impacts and forecast challenges are discussed.

Original language	English
Title of host publication	Encyclopedia of Atmospheric Sciences
Publisher	Elsevier
Pages	V1:681-V1:690
ISBN (Electronic)	9780323960267
ISBN (Print)	9780323958219
DOIs	https://doi.org/10.1016/B978-0-323-96026-7.00080-1
State	Published - Jan 1 2025

Keywords

Antitriptic balance
Baker ridge
Barrier jet
Coastal front
Cold surge
Froude number
Geostrophic adjustment
Marine surge
Rossby radius
Rotationally trapped phenomena
Scale analysis
Terrain blocking
Terrain channeling
Wedge ridge

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10.1016/B978-0-323-96026-7.00080-1

Cite this

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title = "Mountain Meteorology: Cold Air Damming",

abstract = "Cold air damming (CAD) occurs when cold, stable air becomes topographically blocked by relatively long, continuous mountain ranges. The cold air becomes rotationally trapped against the mountain to form a pressure wedge and low-level jet parallel to the barrier. The cold dome can be further modified by diabatic processes within the planetary boundary layer. This article summarizes the structure and evolution of CAD. The large-scale flow patterns associated with CAD are highlighted, with particular emphasis on the Appalachian Mountains and Rocky Mountains. Finally, some of the societal impacts and forecast challenges are discussed.",

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T2 - Cold Air Damming

AU - Colle, B. A.

PY - 2025/1/1

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N2 - Cold air damming (CAD) occurs when cold, stable air becomes topographically blocked by relatively long, continuous mountain ranges. The cold air becomes rotationally trapped against the mountain to form a pressure wedge and low-level jet parallel to the barrier. The cold dome can be further modified by diabatic processes within the planetary boundary layer. This article summarizes the structure and evolution of CAD. The large-scale flow patterns associated with CAD are highlighted, with particular emphasis on the Appalachian Mountains and Rocky Mountains. Finally, some of the societal impacts and forecast challenges are discussed.

AB - Cold air damming (CAD) occurs when cold, stable air becomes topographically blocked by relatively long, continuous mountain ranges. The cold air becomes rotationally trapped against the mountain to form a pressure wedge and low-level jet parallel to the barrier. The cold dome can be further modified by diabatic processes within the planetary boundary layer. This article summarizes the structure and evolution of CAD. The large-scale flow patterns associated with CAD are highlighted, with particular emphasis on the Appalachian Mountains and Rocky Mountains. Finally, some of the societal impacts and forecast challenges are discussed.

KW - Antitriptic balance

KW - Baker ridge

KW - Barrier jet

KW - Coastal front

KW - Cold surge

KW - Froude number

KW - Geostrophic adjustment

KW - Marine surge

KW - Rossby radius

KW - Rotationally trapped phenomena

KW - Scale analysis

KW - Terrain blocking

KW - Terrain channeling

KW - Wedge ridge

UR - https://www.scopus.com/pages/publications/105028823195

U2 - 10.1016/B978-0-323-96026-7.00080-1

DO - 10.1016/B978-0-323-96026-7.00080-1

M3 - Chapter

AN - SCOPUS:105028823195

SN - 9780323958219

SP - V1:681-V1:690

BT - Encyclopedia of Atmospheric Sciences

PB - Elsevier

ER -

Mountain Meteorology: Cold Air Damming

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Keywords

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