"deadly heat" is a correct and usable phrase in written English.
You can use it to describe an oppressive, dangerous, or extreme heat. For example: "The scorching temperature was practically unbearable—it was a deadly heat."
"Ferocious storms and deadly heat waves are occurring with alarming frequency all over the world.
Hospitals are being filled with patients suffering from dehydration, heat cramps, heat exhaustion and deadly heat stroke.
And the deadly heat wave covering the southern and midwestern U.S. is spreading to the East Coast, according to forecasters.
Just as high temperatures alone do not make a deadly heat wave, poverty alone does not make a heat wave deadly.
The most deadly heat wave in recent years occurred in Chicago over a week in July 1995, when temperatures hovered around 100 degrees.
If we fail to reduce the emission of greenhouse gases, deadly heat waves and droughts will become more frequent, coastal areas will flood and economies will be disrupted.
Last year, the state experienced one of its deadliest heat waves, with at least 140 deaths, the highest since 1955.
The deadliest heat wave occurred in Europe in 2003, claiming more than 71,000 lives.
India Earthh's 5th Deadliest Heat Wave Ever Recorded Kills 1,800+ - deadly, because of persistent heat and humidity, reports Jeff Masters at Wunderground.com.
Environmental campaigners have for years been seeking a comparable icon for climate change, be it drowning polar bears, Hurricane Katrina or the deadly European heat wave of 2003.
The most devastating effects of climate change – deadly storms, heat waves, droughts, rising food prices and the advent of climate refugees – are being visited on the world's poor.
