#FastEddy
🎉 FastEddy® 5.0 🥳 Announcing the latest release of this community, open source GPU-based model. Extensions include nesting to LES from FastEddy, nesting within MPAS mesoscale model, virtual towers & more.
Try it now! ral.ucar.edu/fasteddy
Full story: ral.ucar.edu/news/introdu...
May 20, 2026 at 9:26 PM
FastEddy + drone observations = neighborhood-level wind predictions! A collaboration between NSF NCAR & @universityofky.bsky.social aims to improve low-altitude wind predictions (notoriously difficult to model) by combining weather observations from uncrewed aircraft systems with FastEddy.
June 10, 2026 at 10:11 PM
Remember FastEddy, our open source, GPU-enabled microscale forecasting model? Introducing FastEddy 3.0! New features include:
🌐Extensions w/ coupling to mesoscale weather for real-world downscaling
🖥️New portability enhancement w/ in-build hipify step on AMD and NVIDIA GPUs.
ral.ucar.edu/fasteddy
May 5, 2025 at 8:14 PM
🚀 Announcing FastEddy® 4.0! The latest release of this groundbreaking, open source GPU-based model. Extensions include explicit incorporation of models for buildings, wind turbine effects & more. Check it out! ral.ucar.edu/news/just-re...
October 27, 2025 at 8:38 PM
Announcing FastEddy® 3.0🌟The latest release of this groundbreaking, open source GPU-based model for numerical modeling of complex microscale flows.🌟Extensions include coupling to mesoscale weather for real-world downscaling with LES simulations. Learn more & try it now! ral.ucar.edu/news/announc...
April 28, 2025 at 5:34 PM
Updates include:
🏢A model to represent building effects in the urban environment.
💨A generalized actuator disk model to represent wind turbine effects.

Try it now at the FastEddy® GitHub Repository and check out the Tutorials from NSF NCAR RAL. Learn more: ral.ucar.edu/news/just-re...
Just Released! FastEddy® 4.0 | Research Applications LaboratoryJust Released! FastEddy® 4.0 | Research Applications Laboratory
ral.ucar.edu
November 11, 2025 at 9:23 PM
New Rock Releases:
Jax Hollow - Come Up Kid 12/13/24
Fast Eddy - The Rapture 3/14/24
🎧 youtu.be/mnyZWtRLBL8 #JaxHollow
🎧 youtu.be/jz2qd4r32yE #FastEddy
New Rock Covers:
GA-20 - Cryin' & Pleadin' (Billy Boy Arnold)
🎧 youtu.be/8FFJKWNXigg #GA20
Come Up Kid
YouTube video by Jax Hollow - Topic
youtu.be
December 15, 2024 at 10:32 PM
When executing FastEddy on the current AWS ParallelCluster according to the manual on the NCAR site, the GLIBC version becomes an issue. To avoid this problem, you can either wait for an update to AWS ParallelCluster or create an alternative execution script.
December 28, 2024 at 2:42 PM