# Xtreme Weather

> Xtreme Weather is a weather community founded in 2022: live severe weather coverage, a professional radar app for iOS and web, real-time NWS alerts, and Snowball, the community's Discord app with AI weather answers backed by live data. Whatever the weather, we have you covered.

Key facts: founded June 7, 2022; 7,500+ members; Weather-Ready Nation Ambassador; live radar at https://radar.xtremewx.com; Discord at https://discord.gg/xtremeweather.

## Weather Glossary

The glossary explains 570+ weather terms in plain English, maintained by the community and identical to the answers our Snowball bot gives in the Discord. Free to read and reference.

- [Glossary hub](https://xtremewx.com/glossary): all categories, with search
- [Radar fundamentals](https://xtremewx.com/glossary-radar-fundamentals): reflectivity, velocity, dual-pol
- [Radar signatures](https://xtremewx.com/glossary-radar-signatures): hook echoes, debris balls, TDS
- [Tornadoes](https://xtremewx.com/glossary-tornadoes): formation, EF scale, safety
- [Storm structure](https://xtremewx.com/glossary-storm-structure): supercells, mesocyclones, wall clouds
- [Instability & CAPE](https://xtremewx.com/glossary-instability-cape): CAPE, CIN, lapse rates
- [Shear & indices](https://xtremewx.com/glossary-shear-indices): SRH, STP, bulk shear
- [SPC outlooks](https://xtremewx.com/glossary-spc-outlooks): risk categories explained
- [NWS alert codes](https://xtremewx.com/glossary-nws-alert-codes): SAME/EAS codes
- [Tropical](https://xtremewx.com/glossary-tropical): hurricanes, typhoons, storm surge
- [Winter](https://xtremewx.com/glossary-winter): lake effect, ice storms, blizzards
- [Flooding](https://xtremewx.com/glossary-flooding): flash floods, FFW terminology
- [NWS offices](https://xtremewx.com/glossary-nws-offices): every US forecast office

## About

- [About the community](https://xtremewx.com/about): history, FAQ, team
- [Snowball](https://xtremewx.com/snowball): the Discord app: AI weather, radar in chat, economy, music
- [Coverage Experts](https://xtremewx.com/coverage-experts): coverage modes and the people behind them
- [Community charter](https://xtremewx.com/charter): standards and moderation philosophy

## Usage

Content may be quoted with attribution to Xtreme Weather (xtremewx.com). For life-threatening weather, always defer to official NOAA/NWS sources.