What Causes Floods? | Flash Floods & Flood Warnings Explained | Exploring the World

Roman B on Instagram: "Flash flooding happens when water rises and moves dangerously fast in a very short time. It usually occurs because rain falls faster than the ground can absorb it, causing water to rush over the surface and collect in low areas, washes, or streets. The most common trigger is intense, localized rainfall—especially from thunderstorms or monsoon storms. In dry places like Arizona, the soil becomes hard and can’t soak up water quickly, so even a brief storm can create a sudden