"A massive cloud of 'radiation fog' has been blanketing California's Central Valley for days, leading to travel warnings and air quality alerts for 13 million people. More than 20 counties across a 400-mile stretch of the state have been hit by the phenomenon, which occurs when the ground cools rapidly after sunset, releasing heat back into the air and creating dense, low-lying fog."
"While it is unrelated to nuclear radiation and generally should not endanger human health, officials have warned that radiation fog can cause extreme risks for driver visibility and can severely impact air quality by trapping local pollutants close to the ground. Toxic particles from factories and car exhausts can hover over populated cities for hours, forcing anyone in the fog to breathe in plumes of dust and chemicals that can lead to various respiratory problems, including asthma."
A massive cloud of radiation fog has blanketed 20+ counties across a 400-mile stretch of California's Central Valley, prompting travel warnings and air quality alerts for 13 million residents. The fog forms when the ground cools rapidly after sunset, releasing heat and creating dense, low-lying fog that follows rains and calm nights. Known as Tule fog, it typically appears in November, peaks December through February, and fades by March. The fog severely reduces driver visibility and traps toxic particles from factories and vehicles near the ground, increasing respiratory problems. The National Weather Service has issued alerts and called the low-level blanket a high transportation risk.
Read at Mail Online
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