Observations of Gravity Waves with High-Pass Filtering in the New Generation of Geostationary Imagers and Their Relation to Aircraft Turbulence

Wimmers, Anthony; Griffin, Sarah; Gerth, Jordan; Bachmeier, Scott; Lindstrom, Scott

doi:10.1175/WAF-D-17-0080.1

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Observations of Gravity Waves with High-Pass Filtering in the New Generation of Geostationary Imagers and Their Relation to Aircraft Turbulence

2018
By Wimmers, Anthony ; Griffin, Sarah ; Gerth, Jordan ; ...
Source: Wea. Forecasting (2018) 33 (1): 139–144

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Journal Title:

Weather and Forecasting
Personal Author:

Wimmers, Anthony ; Griffin, Sarah ; Gerth, Jordan ; Bachmeier, Scott ; Lindstrom, Scott

Wimmers, Anthony ; Griffin, Sarah ; Gerth, Jordan ; Bachmeier, Scott ; Lindstrom, Scott Less -
NOAA Program & Office:

CIMSS (Cooperative Institute for Meteorological Satellite Studies) ; NESDIS (National Environmental Satellite, Data, and Information Service)

CIMSS (Cooperative Institute for Meteorological Satellite Studies) ; NESDIS (National Environmental Satellite, Data, and Information Service) Less -
Description:

This paper introduces a method of image filtering for viewing gravity waves in satellite imagery, which is particularly timely to the advent of the next-generation Advanced Himawari Imager (AHI) and the Advanced Baseline Imager (ABI). Applying a “high pass” filter to the upper-troposphere water vapor channel reveals sub-Kelvin-degree variations in brightness temperature that depict an abundance of gravity wave activity at the AHI/ABI sensitivity. Three examples demonstrate that this high-pass product can be exploited in a forecasting setting to identify possible varieties of turbulence-prone gravity waves that either 1) move roughly orthogonally to the apparent background flow or 2) produce interference as separate wave packets pass through the same location.
Keywords:

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Atmospheric Science Gravity Waves Remote Sensing
Source:

Wea. Forecasting (2018) 33 (1): 139–144
DOI:

https://doi.org/10.1175/WAF-D-17-0080.1
Document Type:

Journal Article
Funding:

Grant no. NA15NES4320001
Rights Information:

CC BY
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Submitted
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urn:sha256:214c9d7082281f7f055e870d0cd880e1a72b1eb73a8e13cdbcd4b9e96a60e0e9
Download URL:

https://staging-noaa.cdc.gov/view/noaa/27352/noaa_27352_DS1.pdf
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Observations of Gravity Waves with High-Pass Filtering in the New Generation of Geostationary Imagers and Their Relation to Aircraft Turbulence

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