When Heat Turns Deadly: What Wet-Bulb Temperature Means and Why Humidity Is the Real Killer

Person wiping sweat on a sweltering humid city street, heat haze rising from asphalt

Wet-bulb temperature is the metric that determines whether your body can survive extreme heat. New 2026 research shows deadly thresholds are being crossed now. Here is the science behind why humidity is the real killer and how to protect yourself.

Dying Thunderstorms Can Spike Temperatures 30°F in Minutes: The Science of Heat Bursts

Dying Thunderstorms Can Spike Temperatures 30°F in Minutes — The Science of Heat Bursts — featured image

A heat burst is a rare weather event where the temperature suddenly spikes 20 to 30°F in minutes, almost always at night, and almost always when a thunderstorm is dying. You expect storms to cool things down. A heat burst does the opposite. In simple terms: When a thunderstorm collapses, rain evaporates in a dry … Read more

What Is a Derecho? The Inland Hurricane Explained Simply

What Is a Derecho? The Inland Hurricane Explained Simply — featured image

A derecho is a widespread, long-lived straight-line windstorm that can produce hurricane-force gusts across hundreds of miles, without any rotation. Often called an inland hurricane, the costliest thunderstorm in American history was the 2020 Midwest derecho that carved a 770-mile path and caused $11.2 billion in damage. In simple terms: A derecho is a wall … Read more