How can drivers determine if dark clouds on the horizon may signal severe thunderstorms capable of producing tornadoes, hail or powerful winds? Detecting severe storms often requires sophisticated equipment, but truckers can use their senses to make a close prediction while on the road.
Not all dark clouds are the same. A severe storm that could lead to life-threatening weather will often have clouds that look very dark or even have a sickly green tint. They’re usually very large cumulonimbus clouds with low-lying bases. Additionally, drivers would see the storm clouds develop vertically at a rapid pace. Watch for any rotation in the clouds.