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@ARTICLE{Stephan:811284,
      author       = {Stephan, Claudia and Alexander, M. Joan and Hedlin, Michael
                      and de Groot-Hedlin, Catherine D. and Hoffmann, Lars},
      title        = {{A} case study on the far-field properties of propagating
                      tropospheric gravity waves},
      journal      = {Monthly weather review},
      volume       = {144},
      number       = {8},
      issn         = {1520-0493},
      address      = {Washington, DC [u.a.]},
      publisher    = {AMS87486},
      reportid     = {FZJ-2016-03785},
      pages        = {2947–2961},
      year         = {2016},
      abstract     = {Mesoscale gravity waves were observed by barometers
                      deployed as part of the USArray Transportable Array on June
                      29, 2011 near two mesoscale convective systems in the Great
                      Plains region of the US. Simultaneously, AIRS satellite data
                      indicated stratospheric gravity waves propagating away from
                      the location of active convection. Peak perturbation
                      pressure values associated with waves propagating outside of
                      regions where there was precipitation reached amplitudes
                      close to 400 Pa at the surface. Here we investigate the
                      origins of the waves and their relationship to observed
                      precipitation with a specialized model study. Simulations
                      with a 4-km resolution dry numerical model reproduce the
                      propagation characteristics and amplitudes of the observed
                      waves with a high degree of quantitative similarity despite
                      the absence of any boundary layer processes, surface
                      topography, or moist physics in the model. The model is
                      forced with a three-dimensional, time-dependent latent
                      heating/cooling field that mimics the latent heating inside
                      the precipitation systems. The heating is derived from the
                      network of weather radar precipitation observations. This
                      shows that deep, intense latent heat release within the
                      precipitation systems is the key forcing mechanism for the
                      waves observed at ground level by the USArray. Furthermore,
                      the model simulations allow for a more detailed
                      investigation of the vertical structure and propagation
                      characteristics of the waves. It is found that the
                      stratospheric and tropospheric waves are triggered by the
                      same sources, but have different spectral properties.
                      Results also suggest that the propagating tropospheric waves
                      may potentially remotely interact with and enhance active
                      precipitation.},
      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:000380796200010},
      doi          = {10.1175/MWR-D-16-0054.1},
      url          = {https://juser.fz-juelich.de/record/811284},
}