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

The Guardian World Monday 13 July 2026, 15:00 UTC By Stephen Starr 1 min read

Key Points

Higher temperatures can cause radio, TV and microwave signals to travel hundreds of miles farther, upsetting communicationsIt was 3am in north-east Indiana’s Huntington county when the outdoor emergency alarm went off on 1 July. There wasn’t a storm, tornado or any other emergency weather event forecast or present anywhere for hundreds of miles.

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.

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

US (LOCATION) Indiana (LOCATION) Huntington county (LOCATION)

Originally published by The Guardian World Read original →

Nearly half of Brits can't sleep in the heat – and it's ruining their summer A poll of 2,000 adults found that 45% of Brits say feeling hot and uncomfortable stops them from fully enjoying summer, with sleep deprivation among the top complaints during the heatwave Nearly half of Britons find themselves tossing and turning during sweltering weather. With the country enduring yet another heatwave, as temperatures are forecast to soar beyond 30 degrees, research involving 2,000 adults revealed...

Daily Mirror 1h ago

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

The Guardian Environment 1h ago

Health alerts issued for 7 regions as Met Office warns UK could see 4 weeks of high temperatures

Health alerts issued for 7 regions as Met Office warns UK could see 4 weeks of high temperatures UK Health Security Agency (UKHSA) has warned of a rise in deaths as the Met Office revealed more than 2,700 people are believed to have lost their lives in the May and June heatwaves A new heat health alert has been issued for most of England as high temperatures are set to continue. The alert warns of "significant impacts" across health and social care services due to the high temperatures....

Daily Mirror 1h ago

‘As if a hurricane had passed’: Puerto Ricans at breaking point after weeks without water

Shortages triggered by pipeline rupture drive up costs and deepen frustrations, as pressure grows on water utilityJonathan Collazo owns two restaurants in a bustling section of San Juan, which has been plagued by water outages, severely disrupting the daily lives of residents and businesses alike. The water scarcity is part of an escalating frustration felt by thousands of customers of Puerto Rico’s water utility over the past several months, prompting the governor to activate the national...

The Guardian Environment 2h ago

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

Related Stories

Nearly half of Brits can't sleep in the heat – and it's ruining their summer

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

Health alerts issued for 7 regions as Met Office warns UK could see 4 weeks of high temperatures

‘As if a hurricane had passed’: Puerto Ricans at breaking point after weeks without water