These clouds are stratus clouds which are basically low-lying blankets of clouds and typically form your grey cloudy day. When it rains it is called a Nimbus Stratus. Stratus clouds are usually formed by water evaporating into cold air so it becomes a water droplet low in the atmosphere. From there it condenses with other particles like dust until it forms a cloud. If the water droplets are heavy enough it falls down making what we know as rain. When water is evaporated into warm air it rises higher in the atmosphere because it is less dense making it lighter forming clouds like Cirrus clouds.
Clouds are also measured by how much of the sky it is covering. They measure how much of the sky is covered by a measurement called "Octa" which is the Greek word for the number for 8. They have different symbols to represent how many octas of the sky is covered. I don't know if scientists have a way of measuring how many octas there are but by judging, I'd say about 6 or 7 octas of the sky is covered.
Anyways... That's it for my VERY scientific (and probably very boring) blog post for this week and I'll see you guys next week!!
k
ReplyDelete