Stratus Clouds

Stratus clouds are low-level clouds that form in uniform layers, covering the sky like a blanket. They are often gray or white in color and are thin enough to allow sunlight to pass through, but thick enough to diffuse the light, creating a soft, even illumination. These clouds are typically found below 6,500 feet and are often associated with overcast or foggy weather.

Formation of Stratus Clouds

Stratus clouds form when stable air is lifted gently and gradually, causing the air to cool and the water vapor to condense into a layer of cloud. This lifting can occur when warm air passes over a cold surface, when air is forced to ascend over topographic barriers, or when two air masses meet and the warmer, moister air is lifted over the cooler, denser air.

Characteristics of Stratus Clouds

• Low-level clouds, typically below 6,500 feet
• Uniform, gray or white layers
• Can cause overcast or foggy conditions
• Do not usually produce intense precipitation

Effects of Stratus Clouds

Stratus clouds often bring steady, light precipitation, such as drizzle or light snow. They can also create gloomy, overcast conditions that limit visibility and block out direct sunlight. However, they can also have a stabilizing effect on the atmosphere, preventing rapid temperature changes and extreme weather conditions.

Study Guide

1. What is the typical altitude range for stratus clouds?
2. How do stratus clouds form?
3. What are the characteristic colors of stratus clouds?
4. What type of precipitation is often associated with stratus clouds?
5. How do stratus clouds affect visibility and sunlight?

[Stratus Clouds] Related Worksheets and Study Guides:

• The SkyScience • First Grade
• Understanding WeatherScience • Eighth Grade