Which of the following is the correct order of clouds in ascending order (lowest to highest) of height from surface? 1. Cirrocumulus 2. Nimbostratus 3. Cirrus 4. Altostratus Select the correct answer using the code given below:
2, 4, 1, 3
Understanding Cloud Heights: Ordering Clouds by Altitude
Clouds are classified based on their appearance and also by the height at which they typically form in the atmosphere. There are three main height categories:
- Low-level clouds: These form below 2 kilometers (about 6,500 feet). Examples include Stratus, Stratocumulus, Cumulus, and Nimbostratus.
- Mid-level clouds: These form between 2 and 6 kilometers (about 6,500 to 20,000 feet). They are often prefixed with "Alto-". Examples include Altocumulus and Altostratus.
- High-level clouds: These form above 6 kilometers (about 20,000 feet) in the cold upper atmosphere. They are made primarily of ice crystals and are often prefixed with "Cirro-". Examples include Cirrus, Cirrocumulus, and Cirrostratus.
The question asks for the correct order of the given clouds from the lowest height to the highest height from the surface. Let's look at the typical height categories of the clouds listed:
- Cirrocumulus: This is a high-level cloud.
- Nimbostratus: This is primarily a low-level to mid-level cloud, often associated with continuous precipitation.
- Cirrus: This is a high-level cloud, typically the highest of the main cloud types.
- Altostratus: This is a mid-level cloud.
We can organize this information in a table:
| Cloud Name | Question Number | Height Category | Typical Height Range |
|---|---|---|---|
| Cirrocumulus | 1 | High-level | Above 6 km |
| Nimbostratus | 2 | Low to Mid-level | Below 2 km to around 4 km |
| Cirrus | 3 | High-level | Above 6 km, often highest |
| Altostratus | 4 | Mid-level | 2 km to 6 km |
Now, let's order these clouds from the lowest typical height to the highest:
- Nimbostratus (starts at low levels)
- Altostratus (mid-level)
- Cirrocumulus (high-level)
- Cirrus (high-level, usually higher than Cirrocumulus)
Mapping these back to the numbers given in the question:
- Nimbostratus (2)
- Altostratus (4)
- Cirrocumulus (1)
- Cirrus (3)
Therefore, the correct order of clouds from lowest to highest height is 2, 4, 1, 3.
Revision Table: Cloud Height Classification Summary
| Height Category | Approximate Height Range | Typical Cloud Types |
|---|---|---|
| Low-level | Below 2 km | Stratus, Stratocumulus, Cumulus, Cumulonimbus (base), Nimbostratus |
| Mid-level | 2 km to 6 km | Altocumulus, Altostratus, Nimbostratus (extends here) |
| High-level | Above 6 km | Cirrus, Cirrocumulus, Cirrostratus |
Additional Information: Cloud Characteristics
Besides height, clouds are also described by their appearance. For example:
- "Stratus" implies a flat, layered cloud.
- "Cumulus" implies a puffy, heap-like cloud.
- "Cirrus" implies thin, wispy, often feathery clouds made of ice crystals.
- "Nimbus" indicates a cloud that produces precipitation (rain or snow). Nimbostratus is a layered rain cloud, while Cumulonimbus is a tall, heavy rain cloud (thunderstorm cloud).
- Combining these names helps describe the cloud. For instance, Cirrocumulus are high-level, patchy clouds, and Altostratus is a mid-level layered cloud.
Understanding both height and appearance helps in identifying different cloud types and predicting associated weather patterns.
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Identify the type of cloud on the basis of the given characteristics:
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Important Questions from Climatology
In which of the following atmospheric layers ozone gas is concentrated?
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