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Keywords

Data assimilation, HPC, MPAS, WRF

Countries

Germany

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Works (34)

Assimilation of water vapor lidar data from the WaLiNeAs experiment to decrease false positives and negatives in heavy precipitation forecasts

2025-03-18 | Preprint
DOI: 10.5194/egusphere-egu25-11811
Contributors: Thomas Schwitalla; Diego Lange; Andreas Behrendt; Volker Wulfmeyer; Patrick Chazette; Paolo Di Girolamo; Jeremy Lagarrigue; Frédéric Laly; Marco Di Paolantonio; Donato Summa et al.
Source: check_circle
Crossref

Impact of assimilating GNSS Tropospheric Gradients along with Zenith Total Delays for Severe Weather Prediction

2025-03-18 | Preprint
DOI: 10.5194/egusphere-egu25-10658
Contributors: Rohith Muraleedharan Thundathil; Florian Zus; Thomas Schwitalla; Matthias Aichinger-Rosenberger; Galina Dick; Jens Wickert
Source: check_circle
Crossref

Advanced Weather Forecasts for Ethiopia by Optimized Initialization using a 3DVAR hybrid approach

2024-08-16 | Preprint
DOI: 10.5194/ems2024-458
Contributors: Tamene Adgeh; Thomas Schwitalla; Kirsten Warrach-Sagi; Volker Wulfmeyer
Source: check_circle
Crossref

Scaling artificial heat islands to enhance precipitation in the United Arab Emirates

Earth System Dynamics
2024-01-30 | Journal article
DOI: 10.5194/esd-15-109-2024
Contributors: Oliver Branch; Lisa Jach; Thomas Schwitalla; Kirsten Warrach-Sagi; Volker Wulfmeyer
Source: check_circle
Crossref

Soil moisture-atmosphere coupling strength over Central Europe in the recent warming climate

2023-09-06 | Preprint
DOI: 10.5194/egusphere-2023-1725
Contributors: Thomas Schwitalla; Lisa Jach; Volker Wulfmeyer; Kirsten Warrach-Sagi
Source: check_circle
Crossref

Supplementary material to "Soil moisture-atmosphere coupling strength over Central Europe in the recent warming climate"

2023-09-06 | Preprint
DOI: 10.5194/egusphere-2023-1725-supplement
Contributors: Thomas Schwitalla; Lisa Jach; Volker Wulfmeyer; Kirsten Warrach-Sagi
Source: check_circle
Crossref

Scaling Artificial Heat Islands to Enhance Precipitation in Arid Regions

2023-08-21 | Preprint
DOI: 10.5194/egusphere-2023-1771
Contributors: Oliver Branch; Lisa Jach; Thomas Schwitalla; Kirsten Warrach-Sagi; Volker Wulfmeyer
Source: check_circle
Crossref

Noah‐MP With the Generic Crop Growth Model Gecros in the WRF Model: Effects of Dynamic Crop Growth on Land‐Atmosphere Interaction

Journal of Geophysical Research: Atmospheres
2022-07-27 | Journal article
DOI: 10.1029/2022JD036518
Contributors: K. Warrach‐Sagi; J. Ingwersen; T. Schwitalla; C. Troost; J. Aurbacher; L. Jach; T. Berger; T. Streck; V. Wulfmeyer
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Crossref

Observing the pre-convective environment and convection initiation with Doppler Lidar and cloud radar in the Al Hajar Mountains of the United Arab Emirates

Meteorologische Zeitschrift
2022-06-22 | Journal article
DOI: 10.1127/metz/2021/1100
Part of ISSN: 0941-2948
Source: Self-asserted source
Thomas Schwitalla

Sensitivity of land–atmosphere coupling strength to changing atmospheric temperature and moisture over Europe

Earth System Dynamics
2022-01-24 | Journal article
DOI: 10.5194/esd-13-109-2022
Contributors: Lisa Jach; Thomas Schwitalla; Oliver Branch; Kirsten Warrach-Sagi; Volker Wulfmeyer
Source: check_circle
Crossref

WRF Simulations to Investigate Processes Across Scales (WRFSCALE)

High Performance Computing in Science and Engineering '19
2021 | Book chapter
DOI: 10.1007/978-3-030-66792-4_34
Part of ISBN: 9783030667917
Part of ISBN: 9783030667924
Source: Self-asserted source
Thomas Schwitalla

Impact of assimilating lidar water vapour and temperature profiles with a hybrid ensemble transform Kalman filter: Three‐dimensional variational analysis on the convection‐permitting scale

Quarterly Journal of the Royal Meteorological Society
2021-10 | Journal article
DOI: 10.1002/qj.4173
Contributors: Rohith Thundathil; Thomas Schwitalla; Andreas Behrendt; Volker Wulfmeyer
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Crossref

Sensitivity of land-atmosphere coupling strength to perturbations of early-morning temperature and moisture profiles in the European summer

2021-07-06 | Preprint
DOI: 10.5194/esd-2021-45
Contributors: Lisa Lea Jach; Thomas Schwitalla; Oliver Branch; Kirsten Warrach-Sagi; Volker Wulfmeyer
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Crossref

Turbulence-permitting air pollution simulation for the Stuttgart metropolitan area

Atmospheric Chemistry and Physics
2021-03-24 | Journal article
DOI: 10.5194/acp-21-4575-2021
Part of ISSN: 1680-7324
Source: Self-asserted source
Thomas Schwitalla
grade
Preferred source (of 2)‎

Seasonal and diurnal performance of daily forecasts with WRF V3.8.1 over the United Arab Emirates

Geoscientific Model Development
2021-03-19 | Journal article
DOI: 10.5194/gmd-14-1615-2021
Contributors: Oliver Branch; Thomas Schwitalla; Marouane Temimi; Ricardo Fonseca; Narendra Nelli; Michael Weston; Josipa Milovac; Volker Wulfmeyer
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Crossref

Downscaling of seasonal ensemble forecasts to the convection‐permitting scale over the Horn of Africa using the WRF model

International Journal of Climatology
2021-01 | Journal article
DOI: 10.1002/joc.6809
Contributors: Paolo Mori; Thomas Schwitalla; Markos Budusa Ware; Kirsten Warrach‐Sagi; Volker Wulfmeyer
Source: check_circle
Crossref

Assimilation of Lidar Water Vapour Mixing Ratio and Temperature Profiles into a Convection-Permitting Model

Journal of the Meteorological Society of Japan. Ser. II
2020 | Journal article
DOI: 10.2151/jmsj.2020-049
Part of ISSN: 0026-1165
Part of ISSN: 2186-9057
Source: Self-asserted source
Thomas Schwitalla

Supplementary material to "Turbulence-permitting air pollution simulation for the Stuttgart metropolitan area"

2020-10-30 | Preprint
DOI: 10.5194/acp-2020-968-supplement
Contributors: Thomas Schwitalla; Hans-Stefan Bauer; Kirsten Warrach-Sagi; Thomas Bönisch; Volker Wulfmeyer
Source: check_circle
Crossref

Turbulence-permitting air pollution simulation for the Stuttgart metropolitan area

2020-10-30 | Preprint
DOI: 10.5194/acp-2020-968
Contributors: Thomas Schwitalla; Hans-Stefan Bauer; Kirsten Warrach-Sagi; Thomas Bönisch; Volker Wulfmeyer
Source: check_circle
Crossref

Seasonal and diurnal performance of daily forecasts with WRF-NOAHMP V3.8.1 over the United Arab Emirates

2020-09-01 | Preprint
DOI: 10.5194/gmd-2020-201
Contributors: Oliver Branch; Thomas Schwitalla; Marouane Temimi; Ricardo Fonseca; Narendra Nelli; Michael Weston; Josipa Milovac; Volker Wulfmeyer
Source: check_circle
Crossref

Near-global-scale high-resolution seasonal simulations with WRF-Noah-MP v.3.8.1

Geoscientific Model Development
2020-04-21 | Journal article
DOI: 10.5194/gmd-13-1959-2020
Part of ISSN: 1991-9603
Source: Self-asserted source
Thomas Schwitalla
grade
Preferred source (of 2)‎

Convection Initiation over the Eastern Arabian Peninsula

Meteorologische Zeitschrift
2020-04-07 | Journal article
DOI: 10.1127/metz/2019/0997
Part of ISSN: 0941-2948
Source: Self-asserted source
Thomas Schwitalla

Sensitivity study of the planetary boundary layer and microphysical schemes to the initialization of convection over the Arabian Peninsula

Quarterly Journal of the Royal Meteorological Society
2020-01 | Journal article
DOI: 10.1002/qj.3711
Contributors: Thomas Schwitalla; Oliver Branch; Volker Wulfmeyer
Source: check_circle
Crossref

Near global scale high-resolution seasonal simulations with WRF-NOAHMP v.3.8.1

2019-12-03 | Preprint
DOI: 10.5194/gmd-2019-316
Contributors: Thomas Schwitalla; Kirsten Warrach-Sagi; Volker Wulfmeyer; Michael Resch
Source: check_circle
Crossref

Supplementary material to "Near global scale high-resolution seasonal simulations with WRF-NOAHMP v.3.8.1"

2019-12-03 | Preprint
DOI: 10.5194/gmd-2019-316-supplement
Contributors: Thomas Schwitalla; Kirsten Warrach-Sagi; Volker Wulfmeyer; Michael Resch
Source: check_circle
Crossref

Analysis of an extreme weather event in a hyper-arid region using WRF-Hydro coupling, station, and satellite data

Natural Hazards and Earth System Sciences
2019-06-13 | Journal article
DOI: 10.5194/nhess-19-1129-2019
Part of ISSN: 1684-9981
Source: Self-asserted source
Thomas Schwitalla
grade
Preferred source (of 2)‎

Evaluation of Forward Operators for Polarimetric Radars Aiming for Data Assimilation

Journal of the Meteorological Society of Japan. Ser. II
2018 | Journal article
DOI: 10.2151/jmsj.2018-017
Part of ISSN: 0026-1165
Part of ISSN: 2186-9057
Source: Self-asserted source
Thomas Schwitalla

High Performance Computing in Science and Engineering ' 17

Springer International Publishing
2018 | Book chapter
DOI: 10.1007/978-3-319-68394-2
Part of ISBN: 9783319683935
Part of ISBN: 9783319683942
Source: Self-asserted source
Thomas Schwitalla

Analysis of an Extreme Weather Event in a Hyper Arid Region Using WRF-Hydro Coupling, Station, and Satellite data

2018-09-11 | Preprint
DOI: 10.5194/nhess-2018-226
Contributors: Youssef Wehbe; Marouane Temimi; Michael Weston; Naira Chaouch; Oliver Branch; Thomas Schwitalla; Volker Wulfmeyer; Abdulla Al Mandous
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Crossref

Observational operators for dual polarimetric radars in variational data assimilation systems (PolRad VAR v1.0)

Geoscientific Model Development
2018-06-22 | Journal article
DOI: 10.5194/gmd-11-2493-2018
Part of ISSN: 1991-9603
Source: Self-asserted source
Thomas Schwitalla
grade
Preferred source (of 2)‎

Observational operators for dual polarimetric radars in variational data assimilation systems

2018-03-23 | Preprint
DOI: 10.5194/gmd-2018-43
Contributors: Takuya Kawabata; Thomas Schwitalla; Ahoro Adachi; Hans-Stefan Bauer; Volker Wulfmeyer; Nobuhiro Nagumo; Hiroshi Yamauchi
Source: check_circle
Crossref

Hazel Hen – leading HPC technology and its impact on science in Germany and Europe

Parallel Computing
2017-05 | Journal article
DOI: 10.1016/j.parco.2017.02.002
Part of ISSN: 0167-8191
Source: Self-asserted source
Thomas Schwitalla

Continuous high-resolution midlatitude-belt simulations for July–August 2013 with WRF

Geoscientific Model Development
2017-05-31 | Journal article
DOI: 10.5194/gmd-10-2031-2017
Part of ISSN: 1991-9603
Source: Self-asserted source
Thomas Schwitalla
grade
Preferred source (of 2)‎

Continuous high resolution mid-latitude belt simulations for July–August 2013 with WRF

2016-08-29 | Preprint
DOI: 10.5194/gmd-2016-195
Contributors: Thomas Schwitalla; Hans-Stefan Bauer; Volker Wulfmeyer; Kirsten Warrach-Sagi
Source: check_circle
Crossref
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