Marine Cold‐Air Outbreak Snowfall in the North Atlantic: A CloudSat Perspective

Mateling, Marian E.; Pettersen, Claire; Kulie, Mark S.; L’Ecuyer, Tristan S.

doi:10.1029/2022jd038053

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i

Marine Cold‐Air Outbreak Snowfall in the North Atlantic: A CloudSat Perspective

2023
By Mateling, Marian E. ; Pettersen, Claire ; Kulie, Mark S. ; ...
Source: Journal of Geophysical Research: Atmospheres, 128(10)

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Mateling, Marian E. ; Pettersen, Claire ; Kulie, Mark S. ; L’Ecuyer, Tristan S.

Mateling, Marian E. ; Pettersen, Claire ; Kulie, Mark S. ; L’Ecuyer, Tristan S. Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research)

NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) Less -
Description:

This study analyzes the influence of marine cold-air outbreaks (MCAO) on snowfall and cloud properties in the North Atlantic Ocean using CloudSat observations. Comparing reanalysis-determined MCAO conditions (low-level instability) against “non-CAO” conditions, we find that MCAO conditions are associated with predominantly light snowfall rates (<2 mm day −1 liquid water equivalent) whereas non-CAO conditions are more frequently associated with higher snowfall rates. Near cold-air sources, such as sea ice or cold continents, MCAO-forced snowfall rates tend to be more frequent and more intense. Additionally, 76% of snowing clouds identified during MCAO conditions are shallow (mean cloud top height <3 km) stratocumulus,
Keywords:

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Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Atmospheres, 128(10)
DOI:

https://doi.org/10.1029/2022jd038053
ISSN:

2169-897X;2169-8996;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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Library
Main Document Checksum:

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urn:sha256:47b872406e00e294b83f963e1c539b49c0ae32a61b6e80324523587e66f030f1
Download URL:

https://repository.library.noaa.gov/view/noaa/54010/noaa_54010_DS1.pdf
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