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Vulcan Climate Modeling

News and Announcements

Apr 16 2021
Using a Domain Specific Language to run Climate Models on Next Generation Supercomputers
Oliver Elbert presented the DSL team's work at NOAA's General Modeling Meeting and Fair, a conference for NOAA employees and collaborators to share the latest developments in modeling and forecasting technology. Oliver showcased the design and motivations for our domain specific language, and demonstrating the code to a group of NOAA climate scientists.
Mar 25 2021
FV3 on GPUs: Two approaches to accelerate global cloud resolving modeling

Lucas Harris from NOAA / GFDL presented a Unified Forecast System (UFS) Webinar talk co-authered with Oliver Fuhrer highlighting status and results from the efforts of VCM to port the FV3 dynamical core using a domain-specific language (DSL) in Python. The title of the talk was FV3 on GPUs: Two approaches to accelerate global cloud resolving modeling.

Watch the talk

Mar 24 2021
Separating physics and performance: Using Python to implement fast and maintainable climate models
Rhea George presented a talk titled Separating physics and performance: Using Python to implement fast and maintainable climate models on VCM DSL activities at the virtual UCAR Software Engineering Assembly (SEA) Improving Scientifc Software Conference 2021 which is a venue targeted at an international audience of atmospheric scientists interested in best practices for software engineering.
Mar 19 2021
Vulcan Climate Modeling Repositories on GitHub
VCM is committed to open-source development and we have been preparing and documenting our Github repositories to share with the broader FV3GFS and climate modeling communities.  Here is an entry point to this living foundation of both our DSL and ML software engineering.
Mar 17 2021
Vulcan Climate Modeling Is Heading to AI2
Later this year VCM will transfer from Vulcan into the Allen Institute for Artificial Intelligence (AI2) in Seattle, along with the rest of Vulcan’s products teams. AI2 has a strong intellectual culture of top-quality product oriented research working collaboratively toward societal impact that aligns well with the climate modeling team's approach.
Feb 11 2021
Improving weather forecast skill and rainfall climatology of FV3GFS using machine learning
Chris Bretherton presented a NOAA Unified Forecast System (UFS) Webinar talk on behalf of the VCM ML group titled Improving weather forecast skill and rainfall climatology of FV3GFS using machine learning.
Read more  (PDF)
Feb 04 2021
La Niña and Its Impacts on the Pacific Northwest
Oli Watt-Meyer and Noah Brenowitz presented a VCM weather-climate briefing to Vulcan Products titled La Niña and Its Impacts on the Pacific Northwest.
Read more  (PDF)
Feb 02 2021
Chris Bretherton presented on VCM ML at talk series on Equilibrium Climate Sensitivity
Chris Bretherton presented a talk on VCM ML activities in a virtual talk series run by U. Illinois and Texas A&M on Equilibrium Climate Sensitivity, which reaches an international audience of climate scientists.
Jan 31 2021
Improving the performance of a domain-specific language compiler
Langwen Huang from ETH Zurich successfully finished his thesis in the VCM DSL group on “Improving the performance of a domain-specific language compiler”.
Read the report  (PDF)
Jan 27 2021
Read the second submitted paper about VCM’s new work – our FV3GFS Python wrapper!
Jeremy McGibbon, Noah D. Brenowitz, Mark Cheeseman, Spencer K. Clark, Johann Dahm, Eddie Davis, Oliver D. Elbert, Rhea C. George, Lucas M. Harris, Brian Henn, Anna Kwa, W. Andre Perkins, Oliver Watt-Meyer, Tobias Wicky, Christopher S. Bretherton, and Oliver Fuhrer, 2021: fv3gfs-wrapper: a Python wrapper of the FV3GFS atmospheric model, submitted to the journal Geoscientific Model Development.  
Jan 19 2021
VCM organized FV3GFS Python Wrapper workshop for GFDL
VCM organized an FV3GFS Python Wrapper workshop for GFDL, led by Jeremy McGibbon and Spencer Clark with help from Lucas Harris of GFDL. Ten GFDL and Princeton scientists enjoyed hands-on tutorial exercises demonstrating wrapper capabilities including running a machine-learning augmented version of FV3GFS from an iPython notebook on their personal computers. 
Jan 16 2021
Read the first submitted paper about VCM’s new work!
It describes the ML group’s corrective machine learning methodology to make weather forecasts and mean precipitation patterns simulated by a global atmospheric model better match an observational analysis: Watt-Meyer, O., N. Brenowitz, S. K. Clark, B. Henn, A. Kwa, J. McGibbon, W. A. Perkins, and C. S.  Bretherton, 2021:  Correcting weather and climate models by machine learning nudged historical simulations.  Submitted to Geophysical Research Letters
Jan 15 2021
Application of a DSL to Weather and Climate Modeling
Mikael Stellio from ETH Zurich successfully finished his thesis in the VCM DSL group on “Application of a DSL to Weather and Climate Modeling” where he ported GFDL’s microphysics parameterization to GPUs using the GT4Py DSL.
Read the report  (PDF)
Jan 10 2021
VCM team presented at the American Meteorological Society (AMS) Annual Meeting
At the American Meteorological Society (AMS) Annual Meeting, VCM gave six presentations (led by Andre Perkins, Jeremy McGibbon, Johann Dahm, Rhea George, Tobias Wicky, and Oliver Fuhrer). Oliver Fuhrer gave a motivational talk about why VCM is working on DSLs for weather and climate. Jeremy McGibbon and the VCM ML group presented a talk at the American Meteorological Society Symposium on Artificial Intelligence: Portable Python-wrapped FV3GFS atmospheric model.

Watch Jeremy McGibbon's talk
Dec 15 2020
Oli Watt-Meyer and the VCM ML team presented in the 2020 NOAA AI workshop series
Oli Watt-Meyer and the VCM ML team presented a talk titled Bias correcting weather models with machine learning.
Dec 10 2020
Noah Brenowitz and the VCM ML team presented at NeurIPS
Noah Brenowitz and the VCM ML team presented a talk titled Machine Learning Climate Model Dynamics: Offline versus Online Performance.
Dec 08 2020
VCM team presented at the American Geophysical Union (AGU) Fall meeting
At the American Geophysical Union (AGU) Fall Meeting, the VCM ML group gave six presentations (led by Anna Kwa, Brian Henn, Oli Watt Meyer, Spencer Clark, Jeremy McGibbon, and Chris Bretherton). Noah Brenowitz and Chris Bretherton were also co-chairs of an AGU session on Machine Learning for Weather and Climate. Oliver Fuhrer was co-chair of an AGU session on addressing challenges for next generation Earth system models.
Dec 03 2020
Spencer Clark and the VCM ML team presented at 2020 NOAA AI workshop Series
Spencer Clark and the VCM ML team gave a talk titled Challenges associated with training a machine learning based moist physics parameterization by coarse-graining in a model with topography.
Nov 17 2020
VCM co-organized a virtual workshop with NOAA introducing the GT4Py DSL
VCM co-organized a virtual workshop together with Lucas Harris from NOAA with over 25 participants from NOAA, NASA and DoE. The workshop introduced the GT4Py DSL with hands-on tutorials running in Jupyter notebooks on the Orion HPC cluster.
Nov 16 2020
Examining Domain-Specific Languages (DSLs) for Next-Generation Atmospheric Codes
Christopher Kung, a collaborator of VCM DSL from NASA’s Global Modeling and Assimilation Office (GMAO), presented the GT4Py DSL project in a virtual exhibit at the Supercomputing Conference 2020.
Nov 01 2020
FV3 dynamical core implemented using the GT4Py DSL moved into a public repository on GitHub
With the move, the VCM DSL team goes entirely open for both development and release of their software products.