Dependence of Vertical Alignment of Cloud and Precipitation Properties on Their Effective Fall Speeds

Ovchinnikov, Mikhail; Giangrande, Scott; Larson, Vincent E.; Protat, Alain; Williams, Christopher R.

doi:10.1029/2018jd029346

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Dependence of Vertical Alignment of Cloud and Precipitation Properties on Their Effective Fall Speeds

2019
By Ovchinnikov, Mikhail ; Giangrande, Scott ; Larson, Vincent E. ; ...
Source: Journal of Geophysical Research: Atmospheres, 124(4), 2079-2093

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Ovchinnikov, Mikhail ; Giangrande, Scott ; Larson, Vincent E. ; Protat, Alain ; Williams, Christopher R.

Ovchinnikov, Mikhail ; Giangrande, Scott ; Larson, Vincent E. ; Protat, Alain ; Williams, Christopher R. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory)

OAR (Oceanic and Atmospheric Research) ; ESRL (Earth System Research Laboratory) Less -
Description:

The vertical structure of clouds unresolved in large ‐scale weather prediction and climate models is controlled by an overlap assumption. When a binary representation (cloud or no cloud) of subgrid horizontal variability is replaced by a probability density function (PDF) treatment of cloud ‐related variables, a cloud occurrence overlap needs to be replaced by a PDF overlap. The PDF overlap can bequanti ﬁed by a correlation length scale, z 0, indicating how rapidly rank correlation of distributions at two levels diminishes with increasing level separation. In this study, we show that z0varies widely for different properties (e.g., number and mass mixing ratios) and different hydrometeor types (cloud liquid and ice,rain, snow, and graupel) and that corresponding fall speed, V
Keywords:

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

Journal of Geophysical Research: Atmospheres, 124(4), 2079-2093
DOI:

https://doi.org/10.1029/2018jd029346
ISSN:

2169-897X;2169-8996;
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PDF
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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
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urn:sha256:5d92120113c48ee00c6dafe66d3eb34a0f1bca6d9764843d0e811defff24eb04
Download URL:

https://repository.library.noaa.gov/view/noaa/54284/noaa_54284_DS1.pdf
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