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Applied Atmospheric Science Lab
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A lab that explores weather and climate through numerical simulation.

AboutAbout the lab
Returning the knowledge of meteorology to society
The Applied Atmospheric Science Lab studies weather and climate using a range of methods from meteorology and climatology, centered on numerical simulation.
From basic to applied research, it covers a wide range of meteorological studies and evaluates the effects of climate change on local communities.
The lab also works with other labs within the division and the Graduate School to carry out research that returns meteorological knowledge to society.
Newly established on March 1, 2025, it is a research lab specializing in meteorology, a field that Osaka University did not previously have.
Key terms
- Numerical simulation
- A method of reproducing atmospheric motion and other phenomena by computer calculation in order to investigate why phenomena occur and how they will change
- Hailfall
- Hail (lumps of ice) falling from the sky. It is one of the phenomena that can occur in association with heavy rain.
- Numerical weather prediction
- A method of forecasting the weather by calculating changes in the atmosphere on a computer
ResearchResearch themes
Centered on numerical simulation, the lab uses a range of methods from meteorology and climatology to conduct research on weather, from basic to applied. Its work includes assessing the impacts of climate change, identifying the causes of weather-related disasters, developing simulation code, making observations, and carrying out numerical weather prediction and implementing it in society.
*Illustrative imageAssessing the Impacts of Climate Change on Local Communities
The lab evaluates the effects of climate change on local communities through numerical experiments with numerical models and through data analysis. This research aims to support climate change measures based on scientific findings. The assessment of the effects of snow in Hokkaido is joint research with Hokkaido University.
*Illustrative imageIdentifying the Causes of Phenomena That Bring Weather Disasters
The lab conducts research that uses numerical model simulations to clarify the causes of weather disasters that are becoming more severe with climate change. Besides heavy rain, it covers a wide range of phenomena, including gusts, lightning, and hail, and even air pollutants.
*Illustrative imageDeveloping Numerical Simulation Code
For its own research, the lab develops numerical weather and climate models in cooperation with research institutions in Japan and abroad, including RIKEN and the University of Hyogo. It runs large-scale computations using the code it has developed and supercomputers such as Fugaku.
*Illustrative imageConducting Original Weather Observations
Observational data are essential as basic data for understanding phenomena at a fundamental level and for confirming that the simulation code the lab has developed is correct. To obtain such data, the lab conducts its own weather observations.
MembersFaculty
- ProfessorYosuke Sato
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Himawari 8 True Colour Z” JMA / Public domain (cropped)
- Assessing the Impacts of Climate Change on Local Communities: “Super Typhoon Oscar SE of Japan near peak intensity (2268-432)” NOAA / Public domain (cropped)
- Identifying the Causes of Phenomena That Bring Weather Disasters: “Typhoon Tip (1979) peak intensity” NOAA / Public domain (cropped)
- Developing Numerical Simulation Code: “Oak Ridge - Kraken (Cray XT5)” Daderot / Public domain (cropped)
- Conducting Original Weather Observations: “Boldog Özséb weather station 2020 2” VargaA / CC BY-SA 4.0 (cropped)
- Related lab (Architecture and Urban Human Factors Lab): “Belmayne housing estate” Torlogh (talk) (Uploads) / CC0 (cropped)
- Related lab (Ocean Space Development Engineering Lab): “Container ship Reecon Whale on Black Sea near Constanța Romania” HopsonRoad / CC BY-SA 4.0 (cropped)
- Related lab (Steel Structures Lab): “UnicRotarex® steel house” Marius Rotar / CC BY-SA 4.0 (cropped)
- Related lab (Transport and Regional Planning Lab): “Ds-low-100” FWeidner / CC BY-SA 4.0 (cropped)
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