Hello from the outside: heat domes impeding radio and other signals in US midwest

Published July 13, 2026 · Category: News

Overview

Higher temperatures can cause radio, TV and microwave signals to travel hundreds of miles farther, upsetting communications

It was 3am in north-east Indiana’s Huntington county when the outdoor emergency alarm went off on 1 July.

Details

The only issue? There wasn’t a storm, tornado or any other emergency weather event forecast or present anywhere for hundreds of miles.

Source

Originally published at www.theguardian.com.

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