This map displays the infrared band of light and show relative warmth of objects. Infrared imagery is useful for determining clouds both at day and night. Colder objects are brighter and warmer objects are darker. It displays the weather systems and patterns that may affect your area.
Coming back from a fishing trip, these men witnessed an awesome cloud phenomena known as a roll cloud just outside Rio de Janeiro, Brazil on January 2. A roll cloud is a relatively rare, low-level horizontal, tube-shaped accessory cloud completely detached from the cumulonimbus base, unlike the more common shelf cloud.