---
title: "CENTER WEATHER ADVISORY — aviation glossary — OnlyPlanes"
description: "An unscheduled weather advisory issued by Center Weather Service Unit meteorologists for ATC use to alert pilots of existing or anticipated adverse weather conditions within the next 2 hours."
canonical_url: "https://onlyplanes.ru/en/learn/center-weather-advisory"
locale: en
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  "og:title": "CENTER WEATHER ADVISORY — aviation glossary"
---

> Index of every page on this site: [llms.txt](https://onlyplanes.ru/llms.txt)

Meteorology

# CENTER WEATHER ADVISORY

TERM · Meteorology

At a glance

## Meaning of CENTER WEATHER ADVISORY

An unscheduled weather advisory issued by Center Weather Service Unit meteorologists for ATC use to alert pilots of existing or anticipated adverse weather conditions within the next 2 hours.

### More about CENTER WEATHER ADVISORY

An unscheduled weather advisory issued by Center Weather Service Unit meteorologists for ATC use to alert pilots of existing or anticipated adverse weather conditions within the next 2 hours. A CWA may modify or redefine a SIGMET.

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