NEXRAD Level 3 Viewer

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Opacity: 80%
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Opacity: 80%
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Width: 1.5
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Loop:
Frame 1/1

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Legal Information

1. Data Attribution & Credits

This website uses data from the following sources:

  • NEXRAD Level 3 Radar Data: Sourced from the National Oceanic and Atmospheric Administration (NOAA), National Weather Service (NWS), and the NEXRAD network.
  • Archive Data: Accessed via NOAA's NEXRAD Archive on Amazon Web Services (AWS) and Google Cloud Platform (GCP).
  • Interactive Maps: Powered by Leaflet
  • Map Tiles: © OpenStreetMap contributors, © CARTO, © ESRI, U.S. Geological Survey

2. Disclaimers

WARNING: EDUCATIONAL USE ONLY

This data is provided for educational and research purposes only. Data may be incomplete, inaccurate, or outdated.

NOT FOR OPERATIONAL USE: Do NOT use this information for any safety-critical decisions, aviation, flight planning, navigation, emergency response, or any purpose where accuracy is essential. For official weather information, consult the National Weather Service at weather.gov.

NO WARRANTY: THIS DATA IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. USE AT YOUR OWN RISK.

LIMITATION OF LIABILITY: IN NO EVENT SHALL THIS WEBPAGE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF THIS WEBSITE OR DATA, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

DATA QUALITY: Level 3 radar data is processed and archived data. Data may contain artifacts, missing values, or processing errors. This data has not been validated for operational use.

3. Terms of Use

Acceptance: By accessing this website, you agree to these terms. If you do not agree, do not use this website.

Permitted Use: This website is provided for educational, research, and non-commercial use only. You may view and download data for personal use.

Prohibited Use: You may NOT:

  • Use this data for commercial purposes without permission
  • Use this data for safety-critical, operational, or aviation decisions
  • Redistribute or resell this data
  • Claim this data as your own
  • Use this data in violation of any applicable law

Modifications: We reserve the right to modify or discontinue this service at any time without notice.

4. Privacy Policy

Data Collection: We do not collect, store, or share any personal information from visitors to this website.

Cookies: This website may use cookies to store user preferences (such as map settings) locally in your browser. These are not transmitted to our servers.

Third-Party Services: This website loads data from third-party services (NOAA archives, map tile providers). Those services may log requests according to their own privacy policies.

Log Files: Our web server may log IP addresses, timestamps, and requested URLs for security and debugging purposes. These logs are not shared with third parties.

Changes: We may update this policy at any time. Continued use constitutes acceptance of changes.

5. Accessibility

If you notice any bugs, user errors, or if you encounter accessibility barriers, please contact me at historicalweatherhwx@gmail.com and I will work to address them.

This website includes:

  • Keyboard navigation support
  • Responsive design for various screen sizes
  • Color contrast considerations

6. Copyright & Licensing

Website: © 2024 Historical Weather (hwx). Website design and code. All rights reserved.

Data: NEXRAD radar data is sourced from public domain (NOAA/NWS). See attribution above for details.

Third-Party Content: Map tiles and other third-party content remain the property of their respective owners and are subject to their own licenses.

7. Contact Information

For questions, comments, data errors, or accessibility issues, please contact:

Name: Micheal Simpson

Email: historicalweatherhwx@gmail.com

8. About This Website

Purpose: This website provides interactive visualizations of historical NEXRAD Level 3 radar products for educational and research purposes.

Data Coverage: NEXRAD Level 3 products from the national radar network, including reflectivity, velocity, and derived products. Data availability varies by radar site and time period.

Limitations:

  • Historical data only - not for current conditions
  • Data quality varies by radar site and time period
  • Archived radar data may contain artifacts or gaps
  • Not validated or quality-controlled for operational use

Acknowledgments: Special thanks to NOAA/National Weather Service for collecting and maintaining NEXRAD radar data, and to AWS and Google Cloud for hosting the public archives.

Version: 1.0 | Last Updated: 01/17/2025

This website is not affiliated with NOAA, NWS, or any government agency. All data is sourced from public archives and databases.