Blitzortung.org is a worldwide, community-supported network that provides real-time information about lightning and thunderstorms. Its interactive maps show lightning activity across regions including Europe, North America, South America, Africa, Asia, and Oceania, helping visitors follow storm activity around the world. Users can choose from fixed-size, dynamically sized, and vector maps, and explore views that display lightning strikes and detector locations.

The site also offers historical lightning maps and customized archive data for examining past activity. Additional project resources include user data, a compendium, a station list, and a map generator. Visitors can learn about the network through project information and updates, find guidance on covering their area, and connect with others through the forum. Blitzortung.org supports a range of menu languages and provides information on privacy, cookies, and contacting the project. Overall, the service brings together real-time mapping, archived information, and community resources for people interested in lightning and thunderstorm activity.