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CLIMATOLOGY OF INDIA — DGCA CPL Aviation Meteorology
Chapter J18 of the Aviation Meteorology paper. 32 practice questions in the Avielevate bank, every one with its answer key, filterable into a timed set on this chapter alone.
What this chapter covers
The learning objectives we file CLIMATOLOGY OF INDIA questions under, and how many sit behind each. These come straight out of the bank and are regenerated whenever it changes — they are what is there today, not a claim.
| Learning objective | In the bank |
|---|
| __GEN__ General | 32 questions |
Sample CLIMATOLOGY OF INDIA questions, answered and explained
Real questions from this chapter, with the answer marked and the reasoning written out — the same explanations you get inside the app.
0327021 · CLIMATOLOGY OF INDIA
The monsoon season is also known as the:
- APre monsoon
- BRainy Season
- CPost monsoon
Why that is the answer
**Concept**
The **south-west monsoon** season lasts from June to September. During these four months the moist south-west winds from the Indian Ocean blow over India.
**Explanation**
In summer the land heats up much more than the sea, and a large area of low pressure forms over north-west India and Pakistan. Moist air from the ocean flows in towards it. As this air is forced to rise, by converging along the monsoon trough and by being pushed up the Western Ghats and the Himalayas, it cools, condenses into cloud and gives rain.
Most of India receives about **three-quarters of its yearly rainfall** during these months, which is why the season is also called the **rainy season**. Expect widespread low cloud, heavy rain, embedded cumulonimbus and poor visibility.
**Applying it to the question**
The monsoon season is also known as the **Rainy Season**. Pre-monsoon and post-monsoon are the separate seasons just before and just after it.
**Remember for DGCA:** India's four seasons: winter, summer (hot weather, pre-monsoon), south-west monsoon (rainy season), and post-monsoon (retreating monsoon).
0327022 · CLIMATOLOGY OF INDIA
With a depression over the head of the Bay during the monsoon, fair weather occurs over:
- AAssam
- BW Bengal
- COrissa
Why that is the answer
**Concept**
A **depression** is a low-pressure system with a closed circulation, in which the winds blow **anticlockwise** and slightly inwards in the northern hemisphere. In the monsoon, depressions often form over the **head of the Bay of Bengal** (its northern end, off West Bengal and Odisha) and then move west-north-west inland along the monsoon trough.
**Explanation**
Normally much of the Bay of Bengal branch of the monsoon blows north, straight from the sea into Bangladesh and north-east India. There it is forced up the Meghalaya hills and the Himalayas and gives Assam heavy rain.
A depression at the head of the Bay becomes the new centre of the circulation. The moist sea air is drawn into it, mainly around its **southern and western sides**, where it converges and rises. So the heavy rain falls over Odisha, West Bengal and, as the depression moves inland, central India along its track.
Assam lies to the **north-east** of the depression. Because the flow is anticlockwise, the air reaching Assam now comes around the northern side of the system, from the east, after a long journey over land instead of straight from the sea. It is drier, and there is less converging, rising air over the region. Rainfall there decreases and **fair weather** often sets in.
**Applying it to the question**
With a depression over the head of the Bay, the moist monsoon flow is diverted away from north-east India, so fair weather occurs over **Assam**. West Bengal and Odisha, close to the depression's southern and western sides, get heavy rain.
**Remember for DGCA:** head-Bay depression = heavy rain over Odisha, West Bengal and along its westward track; Assam becomes relatively fair.
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Frequently asked
How many CLIMATOLOGY OF INDIA questions are there for the DGCA CPL Aviation Meteorology paper?
Avielevate's bank carries 32 published CLIMATOLOGY OF INDIA questions for Aviation Meteorology, mapped across 1 learning objective. Every one has its answer key, and explanations are being written across the whole bank.
How much of the Aviation Meteorology paper is CLIMATOLOGY OF INDIA?
The DGCA does not publish a per-chapter breakdown of its papers, so nobody can honestly tell you — and we will not guess. What we can tell you is what students who have just sat a paper reported meeting, which is measured rather than rumoured: that is the exam recall report inside the app.
What is the best way to revise CLIMATOLOGY OF INDIA?
Sit a short timed set on this chapter alone, tag how sure you were of each answer, then drill the two that actually leak marks: the ones you got right while guessing, and the ones you got wrong while confident. Avielevate does that tagging for you and puts anything you got wrong back in front of you on a spaced schedule.
The rest of the Aviation Meteorology paper
One account covers every chapter of every paper.
← All Aviation Meteorology chapters · All six DGCA CPL papers