Draft:Horizon Systems

Horizon Systems
Horizon Systems
	A screenshot of Horizon Systems being used.
Other names	EuroRadar, JustVisualiseIt, Horizons System(s)
Original authors	Ivan Dabrovich, Horizon Radar Systems, Other contributors
Developers	Horizon Radar Systems, ECFSWR, XTech NPO.
Release	October 25, 2025; 9 months ago
Stable release	V1.1.1 / July 10, 2026; 19 days ago
Written in	C++, Qt6
Operating system	Cross-platform (Windows 11, Linux)
Type	Weather radar visualization software
License	GNU General Public License v3.0
Website	Horizon Systems
Repository	github.com/HorizonRadarSystems/HorizonSystems

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Instructions · What links here · Horizon Systems (talk: + · bio) · (log) · Copyvios report · reFill · Citation Bot · (Search: Google, Wikipedia) · Submitted 18 days ago by Elidoesbnuuy (talk: D · +) · Last edited 16 days ago by Elidoesbnuuy

Horizon Systems is an open-source desktop software designed for visualization of weather radar and associated severe weather data written in C++ programming language using Qt6 framework. This software is developed by Horizon Radar Systems and licensed under GNU General Public License v3.0.^[1]

The application compiles information from various government and local meteorological bodies into one radar viewer designed specifically for storm chasers and meteorology hobbyists. ^[2]

History

The Horizon Systems has been developed from previous prototype radar viewers such as an HTML/JavaScript single-file radar viewer and a mobile radar viewer created using the programming language Rust to a Qt6/C++ desktop application. The first known instance of Horizon Systems was "Euro Radar | The Open Source DE/FR viewer".^[2]

As of version V1.1.1, the application includes support for a broad range of national radar networks across North America and Europe.^[2]

Features

Horizon Systems supports data ingestion from multiple national and international sources, including:^[2]

NEXRAD Level II and Level III radar data (United States), including archived data access
National Weather Service (NWS) zone-based severe weather alerts, with clickable polygon detail views
Environment Canada radar data
Deutscher Wetterdienst (DWD, Germany)
Météo-France radar data, accessed via an ODIM-based pathway
Finnish Meteorological Institute (FMI, Finland)
Danish Meteorological Institute (DMI, Denmark)
Norwegian Meteorological Institute (MET Norway)
MeteoSwiss (Switzerland)
Swedish Meteorological and Hydrological Institute (SMHI, Sweden)
Czech and Slovak national radar data (via per-site ODIM HDF5 data)
Estonian Environment Agency radar data
Blitzortung.org real-time lightning data
Storm Prediction Center (SPC) convective outlooks
Mesonet surface observation data
Atmospheric sounding data, displayed via Skew-T plots
Custom/user-defined API connections
A bilinear-interpolation radar smoothing mode, branded "ResolvIT 2.0"^[1]
IP-based geolocation for automatic map centering
Placefile support (compatible with GR2Analyst-style placefiles)
3D volumetric radar visualization and cross-section views

Licensing

The software is available to the public under the conditions specified by the GPL-3.0 license. This license notice allows the free use, studying, restricted modifying, and redistributing of the software as long as the new version carries the same license, copyright notice, and author credits.^[1]

References

^ ^a ^b ^c "Horizon Systems – License Notice". GitHub. Horizon Radar Systems. Retrieved 2026-07-10.
^ ^a ^b ^c ^d "HorizonRadarSystems/HorizonSystems". GitHub. Retrieved 2026-07-10.

External links

[license-1] "Horizon Systems – License Notice". GitHub. Horizon Radar Systems. Retrieved 2026-07-10.

[github-repo-2] "HorizonRadarSystems/HorizonSystems". GitHub. Retrieved 2026-07-10.

[1]

[2]

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