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@ARTICLE{Heale:867585,
author = {Heale, C. J. and Snively, J. B. and Bhatt, A. N. and
Hoffmann, L. and Stephan, C. C. and Kendall, E. A.},
title = {{M}ultilayer {O}bservations and {M}odeling of
{T}hunderstorm-{G}enerated {G}ravity {W}aves {O}ver the
{M}idwestern {U}nited {S}tates},
journal = {Geophysical research letters},
volume = {46},
number = {23},
issn = {1944-8007},
address = {Hoboken, NJ},
publisher = {Wiley},
reportid = {FZJ-2019-06206},
pages = {14164-14174},
year = {2019},
abstract = {We present multilayer observations and numerical
simulations of gravity waves (GWs) generated by a series of
Mesoscale Convective Systems over the midwestern United
States. Strong semi‐concentric GWs were observed and
modeled, which couple from their tropospheric sources to the
thermosphere, displaying strong nonlinearity indicated by
instability, breaking, and formation of turbulent vortices.
GWs in the stratosphere display a large range of horizontal
scales from 34‐400 km, however, the smaller wavelength
waves break rapidly in the mesosphere and
lower‐thermosphere (MLT). Larger scale (≥150 km) waves
dominate in the thermosphere and display northwestward
propagation at 200‐300 km altitude, opposing the mean
winds. Despite strong molecular viscosity and thermal
conductivity in the thermosphere, steepened wave fronts,
which may indicate nonlinearity, is identified in 630 nm
airglow imagers. The agreement between model and data
suggest new opportunities for data‐constrained simulations
that span multi‐layer observables, including MLT‐region
airglow not captured for this event.},
cin = {JSC},
ddc = {550},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {511 - Computational Science and Mathematical Methods
(POF3-511)},
pid = {G:(DE-HGF)POF3-511},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000500756200001},
doi = {10.1029/2019GL085934},
url = {https://juser.fz-juelich.de/record/867585},
}