Regional guides
Plain guides to official alerts: what the levels mean, who issues them, and where to find the original. Official warnings and local authorities always come first.
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Regional guides · Hurricanes
Hurricane alerts in Florida
Which agencies issue hurricane and storm surge alerts in Florida, what each alert means, and how to get them, from WEA and AlertFlorida to your county.
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Regional guides · Earthquakes
Earthquake alerts in California
How earthquake early warning and earthquake reports work in California, from ShakeAlert, MyShake and phone alerts to USGS, and what each can do.
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Regional guides · Wildfires
Wildfire alerts in California
Who issues wildfire alerts and evacuation orders in California, what Evacuation Warning and Order mean, and how to get county alerts, WEA and fire updates.
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Regional guides · Weather
Weather warnings in the UK and Europe (MeteoAlarm)
How weather warnings work across Europe and the UK, from MeteoAlarm colours and Met Office warnings to flood warnings and phone alerts.