Climate and Weather in South India

North-Eastern monsoon

One-third

Extreme climatic conditions are found here.

<p>Low pressure develops over North-western India due to high temperatures.</p> Signup and view all the answers

<p>About $2^{ ext{°}}$C</p> Signup and view all the answers

<p>The four recognized seasons are the cold weather season, hot weather season, southwest monsoon season, and retreating monsoon season. The cold weather season usually occurs from mid-November to January.</p> Signup and view all the answers

<p>The geographical distance from the moderating influence of the sea and snowfall from the nearby Himalayan ranges contribute to the cold weather in northern India.</p> Signup and view all the answers

<p>'Break in the monsoon' refers to periods when rain may cease for days or weeks, often causing dry spells. In northern India, this happens when rain storms fail to appear along the monsoon trough.</p> Signup and view all the answers

<p>El Niño is a complex weather system involving warm currents in the eastern Pacific that disrupt normal weather patterns. It can lead to drought, floods, and other anomalies impacting the Indian monsoon, such as the 1990-91 disruption.</p> Signup and view all the answers

<p>The southwest monsoon typically enters India around June 1st and covers the entire subcontinent by mid-July.</p> Signup and view all the answers

<p>Mango showers are pre-monsoon rains in Kerala and Karnataka that promote the early ripening of mangoes.</p> Signup and view all the answers

<p>Nor Westers are intense thunderstorms that aid rice, jute, and tea cultivation in Assam and Bengal while being known for their destructive nature.</p> Signup and view all the answers

<p>The rain-shadow effect occurs when winds lose moisture after ascending the Western Ghats, resulting in significantly lesser rainfall in the regions east of the mountains.</p> Signup and view all the answers

<p>The monsoon winds from the Arabian Sea branch into three paths, bringing heavy rainfall to the Western Ghats and impacting weather patterns across central and western India.</p> Signup and view all the answers

<p>Loo winds are hot, dry winds that blow from Punjab to Bihar, becoming strongest between Delhi and Patna.</p> Signup and view all the answers

<p>The Aravalis range blocks the moisture-laden winds, leading to limited rainfall in Rajasthan.</p> Signup and view all the answers

<p>It strikes the coast of Myanmar and Bangladesh, then splits, bringing rain to northwest India and the Brahmaputra valley.</p> Signup and view all the answers

<p>The Khasi and Jaintia hills receive over 1,000 cm of rainfall, while the Western Ghats along the west coast also receive high rainfall.</p> Signup and view all the answers

<p>They receive below 50 cm of rainfall, mainly in the Peninsula, Ladakh, and western Rajasthan.</p> Signup and view all the answers

<p>Variations in monsoon can lead to droughts or floods, adversely impacting crops, especially in non-irrigated regions.</p> Signup and view all the answers

<p>Winter rainfall from temperate cyclones benefits Rabi crops by providing additional moisture during the cooler months.</p> Signup and view all the answers

<p>They result in diverse food, clothing, and housing styles, as well as adaptations to the local environment.</p> Signup and view all the answers

<p>Human activities, such as industrialization and burning fossil fuels, release greenhouse gases like CO2 and methane, contributing to climate change.</p> Signup and view all the answers

<p>The southwest monsoon winds, driven by temperature differentials and oceanic conditions, are the main cause of monsoon rains.</p> Signup and view all the answers

<p>The average is approximately 125 cm, but it varies greatly, with some areas exceeding 1,000 cm while others receive less than 50 cm.</p> Signup and view all the answers