Meso-scale Atmospheric Motion Scale Identification
Atmospheric motions are categorized by their characteristic horizontal scale lengths. Meso-scale motions represent a specific category within this classification.
Meso-scale phenomena are larger than micro-scale events (like turbulence) but smaller than large-scale synoptic systems (like major low-pressure areas).
The established range for meso-scale atmospheric motions spans horizontally from approximately 30 km to 400 km.
Key examples of meso-scale phenomena include:
- Individual thunderstorms
- Mesoscale convective systems (MCSs)
- Land and sea breezes
- Mountain waves
Understanding this scale is vital for predicting localized and regional weather patterns.
Other scales for context include:
- Microscale: Less than 1 km
- Synoptic scale: Greater than 400 km (often thousands of km)
Important Questions from Atmosphere
In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index?
1. Carbon dioxide
2. Carbon monoxide
3. Nitrogen dioxide
4. Sulfur dioxide
5. Methane
Select the correct answer using the code given below.
A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why?
1) The presence of ozone causes the reflection of radio waves to Earth.
2) Radio waves have a very long wavelength.
Which of the statements given above is/are correct?
The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation?
1) There are no clouds or water vapour in the lower stratosphere.
2) There are no vertical winds in the lower stratosphere.
Which of the statements given above is/are correct in this context?
The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs
Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?
