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@ARTICLE{Hoffmann:843658,
author = {Hoffmann, Lars and Wu, Xue and Alexander, M. Joan},
title = {{S}atellite {O}bservations of {S}tratospheric {G}ravity
{W}aves {A}ssociated with the {I}ntensification of
{T}ropical {C}yclones},
journal = {Geophysical research letters},
volume = {45},
number = {3},
issn = {0094-8276},
address = {Hoboken, NJ},
publisher = {Wiley},
reportid = {FZJ-2018-01227},
pages = {1692–1700},
year = {2018},
abstract = {Forecasting the intensity of tropical cyclones is a
challenging problem. Rapid intensification is often preceded
by the formation of “hot towers” near the eyewall.
Driven by strong release of latent heat, hot towers are
high-reaching tropical cumulonimbus clouds that penetrate
the tropopause. Hot towers are a potentially important
source of stratospheric gravity waves. Using 13.5 years
(2002–2016) of Atmospheric Infrared Sounder observations
of stratospheric gravity waves and tropical cyclone data
from the International Best Track Archive for Climate
Stewardship, we found empirical evidence that stratospheric
gravity wave activity is associated with the intensification
of tropical cyclones. The Atmospheric Infrared Sounder and
International Best Track Archive for Climate Stewardship
data showed that strong gravity wave events occurred about
twice as often for tropical cyclone intensification compared
to storm weakening. Observations of stratospheric gravity
waves, which are not affected by obscuring tropospheric
clouds, may become an important future indicator of storm
intensification.},
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:000426161800059},
doi = {10.1002/2017GL076123},
url = {https://juser.fz-juelich.de/record/843658},
}