Understanding Shelf Clouds: Formation and Appearance in DFW Weather

What is a Shelf Cloud?

• ☁️ A shelf cloud is a low, horizontal, wedge-shaped cloud associated with a storm.
• 📸 They can appear quite dramatic and sometimes cause concern when seen moving over populated areas.

How Shelf Clouds Form

• 💨 Shelf clouds form when rain-cooled air flows out from a storm, creating an outflow boundary.
• ⬆️ This outflow hits the warm, moist air ahead of the storm and is forced to rise.
• 💡 As the warm, humid air rises and condenses at the leading edge of the storm, it creates the visible shelf cloud.

Characteristics and Associated Weather

• ⚡ Shelf clouds are typically found on the leading edge of a storm.
• 🌧️ They are often followed by rain.
• 🧊 In some cases, hail may occur immediately behind the rain.
• 🖼️ The video showcases impressive images of shelf clouds captured by viewers in North Texas.