Secret Los Angeles on Instagram: "[🔗 IN BIO] A massive blanket of fog, known as radiation fog, has officially hit Los Angeles. Stretching nearly 400 miles from Redding to Bakersfield, the fog began settling in late November and has lasted into December 2025, affecting more than 20 counties. ☁️⁠ ⁠ No, radiation fog has nothing to do with nuclear radiation! It forms when moist ground cools rapidly after sunset, causing water vapor near the surface to condense into a dense, low-lying cloud.⁠ ⁠ Lea