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ArWen

by Fahrenheit Researchv2.9.9

Last updated

ArWen: GPU-native WRF-ARW-class regional weather model, verified against WRF v4.6.1

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Install with winget

$ winget install --id FahrenheitResearch.ArWen --exact --version 2.9.9

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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About

ArWen is an independent, GPU-native implementation of a WRF-ARW-class regional atmospheric model. It is not affiliated with or endorsed by NCAR or UCAR. The name is a wordmark for "the ARW solver, GPU-native"; the Python package is currently named gpuwm. Safety. ArWen is a research and educational tool. It is never a substitute for official forecasts and warnings from your national meteorological service. Do not use it to make safety decisions. Regional numerical weather prediction at convective scale has mostly required institutional clusters, which means most of the world runs on global-model guidance at 10-25 km. ArWen's aim is to put a verified, kilometer-scale limited-area model on a single consumer GPU: pick a point, size a nest ladder to your card, pull public analysis data, and run a 1 km (or 500 m) simulation of your own area on hardware you own -- especially in places where no national convection-permitting model exists.

Installers · v2.9.9

ArchitectureTypeScopeInstallDownload
x64ZIP
archive
-Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for ArWen.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install ArWen on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id FahrenheitResearch.ArWen --exact --version 2.9.9. winget downloads the installer from Fahrenheit Research and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install ArWen silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id FahrenheitResearch.ArWen --exact 2.9.9 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.
How do I uninstall ArWen via winget?
Run: winget uninstall --id FahrenheitResearch.ArWen --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from ArWen's Apps & Features entry.
Is ArWen free?
ArWen is distributed under Apache-2.0. Refer to the publisher (https://github.com/FahrenheitResearch/arwen) for the full license terms - Wingetly itself does not charge for installation.
Does ArWen work on Windows 10?
Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls ArWen directly from the publisher.
How do I keep ArWen up to date?
Run winget upgrade --id FahrenheitResearch.ArWen --exact, or winget upgrade --all to update everything winget tracks. We index 10 versions of ArWen from microsoft/winget-pkgs.

Recent versions

  • 2.9.9latest
  • 2.9.8
  • 2.9.7
  • 2.9.6
  • 2.9.5
  • 2.9.4
  • 2.9.3
  • 2.9.2
  • 2.9.0
  • 2.8.9