visibility - NatureWeatherHub

What Is a Haboob? The Science Behind Those Apocalyptic Walls of Dust

July 25, 2026July 24, 2026 by JOSHUA LINN

A massive haboob dust wall approaching a desert highway in the Sonoran Desert during golden hour, a single vehicle dwarfed by the scale of the storm. What is a haboob: a wall of dust born from a collapsing thunderstorm.

You are driving west of Phoenix on a July afternoon when the horizon goes wrong. The sky ahead is not blue. It is brown, from the ground to the clouds, and it is moving toward you at highway speed. The radio crackles a dust storm warning. You have maybe three minutes before the world disappears. … Read more

Fog Explained: How Fog Forms, Types of Fog, and Why It’s So Dangerous to Drive In

July 21, 2026July 5, 2026 by JOSHUA LINN

168 vehicles. Eight lives. One wall of white. On October 23, 2023, drivers on Louisiana’s I-55 were moving at highway speed when a dense fog bank swallowed the road. A marsh fire had injected smoke into the fog, creating what meteorologists call super fog: near-zero visibility with no warning. Within minutes, cars, trucks, and tankers … Read more