Monsoons

Order of the National Green Tribunal regarding desilting of the Defence Colony drain in Delhi before the monsoon, 16/04/2025

Order of the National Green Tribunal in the matter of Nizamuddin West Association Vs Union of India & Others dated 16/04/2025. The matter related to desilting of 24 drains with special focus on two drains - Kushak drain and Sunheri Pul drain before the monsoon. The court was informed that …

Northwest India too will share monsoon spoils

The International Research Institute (IRI) for Climate and Society at the University of Columbia has come out with more daring predictions on the Indian monsoon compared to those made public by India Meteorological Department (IMD) on Wednesday. The most glaring difference in perception relates to rainfall trends for northwest India. …

The hope of rain

For the India Meteorological Department (IMD), it has been an annual ritual for the past 20 years to issue its long-range monsoon forecast around this time of the year, though the credibility of these predictions has been on the wane. The projection that the rainfall during this year's monsoon season …

Near-normal monsoon forecast gives govt hope

Facing all-round flak on galloping inflation, the government on Wednesday tried to wash away some of its worries by predicting a "near-normal' south-west monsoon for the year, suggesting that increased farm production could be expected. A good measure of the attack hurled on the government by allies and opponents has …

Met predicts near-normal rains

The south west monsoon, crucial to agriculture, is likely to be near normal this year, the Meteorological Department has forecast amid hopes that good summer rains would lead to an easing in the price situation. "India Meteorological Department's long-range forecast for the 2008 southwest monsoon season (June-September) is that rainfall …

Global and regional climate changes due to black carbon

Black carbon in soot is the dominant absorber of visible solar radiation in the atmosphere. Anthropogenic sources of black carbon, although distributed globally, are most concentrated in the tropics where solar irradiance is highest. Black carbon is often transported over long distances, mixing with other aerosols along the way. The …

Monsoon worry for Kalimpong - SOS to PM: save us from landslides

Kalimpong: Six-hundred-and-forty households in and around Kalimpong have appealed to Prime Minister Manmohan Singh to save them from landslides, a threat that looms large in the hills during monsoon. Writing on behalf of the families, Save The Hills, an NGO, regretted that nothing had been done since the end of …

Active and Break Spells of the Indian Summer Monsoon

Sub-seasonal rainfall fluctuations, characterized as active and weak spells during the Indian monsoon season (June to September) is an important component of the variability of the Indian monsoon rainfall. In this paper, we suggest criteria for identification of active and break events of the Indian summer monsoon on the basis …

Meet on natural calamities

A meeting convened to discuss the preparedness of monsoon and to adopt preventive measures in future and action to be taken before the onset of monsoon was held at South Goa Collectorate building in Margao. Senior officials attended the meeting that was chaired by Vanancio Furtado, Dy Collector. The meeting …

Eight killed and thousands of people affected in Sri Lanka floods

At least eight people were killed and nearly 200,000 people have been affected due to torrential rain resulting from the north-east monsoon in the country. The deaths have been reported from Badulla, Moneragala and Gampha districts during the last few days,. Around 44,600 families consisting of 173,909 have been affected, …

Millennial- and orbital-scale changes in the East Asian monsoon over the past 224,000 years

High-resolution speleothem records from China have provided insights into the factors that control the strength of the East Asian monsoon.

The rhythm of the rains

Deposits in a Chinese cave tell the story of the region 's climate stretching back more than 200,000 years, well past the last interglacial warm period

Fresh water influence on nutrient stoichiometry in a tropical estuary, southwest coast of India

Cochin backwaters, a micro tidal estuary, undergo a characteristic transformation from a river dominated system during summer monsoon to a tide-dominant system during pre-monsoon season. The present study observes that as the river flow weakens after monsoon, the flushing of the estuary diminishes and the nitrogen and phosphorous loadings through …

Chemical composition of bulk percipitation during 2005 southwest monsoon in Bangalore city, India

During the southwest monsoon (June to September) season of 2005 in Bangalore City, 32 bulk precipitation samples were collected from two sampling stations. Concentrations of major cations and anions were determined.

Resolving an atmospheric enigma

In 1971, meteorologists Roland Madden and Paul Julian studied weather data from near equatorial Pacific islands. To their surprise, tropospheric winds, pressure and rainfall oscillated with a period of about 40 to 50 days. The oscillation in clouds and precipitation trends to be confined to the tropical Indian and Pacific …

A Madden-Julian Oscillation event realistically simulated by a global cloud-resolving model

A Madden-Julian Oscillation (MJO) is a massive weather event consisting of deep convection coupled with atmospheric circulation, moving slowly eastward over the Indian and Pacific Oceans. Despite its enormous influence on many weather and climate systems worldwide, it has proven very difficult to simulate an MJO because of assumptions about …

Rainfall intensity characteristics at coastal and high altitude stations in Kerala

Rainfall intensities measured at a few stations in Kerala during 2001–2005 using a disdrometer were found to be in reasonable agreement with the total rainfall measured using a manual rain gauge. The temporal distributions of rainfall intensity at different places and during different months show that rainfall is of low …

Variability of climate change in India

In this article meteorological measurements in India are analysed showing marked trends of increasing temperature over the past quarter century, but significant variations in these trends during different seasons and over different regions of India. Marked differences between the variations in minimum temperatures in North and South India have been …

Climate change scenarios for India

Climate change is predicted to impact India's natural resource base, including water resources, forestry and agriculture, through changes in precipitation, temperatures, monsoon timings, and extreme events. Climate change in India may pose additional stresses on ecological and socioeconomic systems that already face tremendous pressures from rapid urbanisation, industrialisation and economic …

The warmest 26th January on record during 77 years of observations at New Forest, Dehra Dun

Global warming has been a debatable subject of recent years, of which Dehra Dun is not an exception. This year, 2007, has experienced the hottest 26th January in last 77 years.

Wind way

India mostly gets eastward winds. In summer, a low pressure centre forms over north India and north Southeast Asia when the sun heats up the earth. Cold air from the Arabian Sea replaces the hot air from the region. The easterly wind changes direction due to coriallis force (generated by …

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