Atmosphere And Ozone Layer

Order of the National Green Tribunal regarding ozone pollution across urban India, 21/03/2025

Order of the National Green Tribunal in the matter of News Item titled “CSE report finds dangerous increase in ozone pollution across urban India” appearing in Down to Earth dated 06.08.2024. The Principal Bench of the NGT heard the matter on March 21, 2025. In the original application, registered suo …

El Nino aided in massive carbon dioxide release

Even as carbon emissions from use of fossil fuels flattened out in the past few years, the monster El Nino of 2014-16 caused over 3 billion tonnes of carbon to get released into the atmosphere, pushing carbon dioxide concentration to record levels. This was announced by scientists after they analysed …

A year in ozone over the South Pole

This colourful video tracks the behaviour of the ozone layer over Antarctica across all of 2016. It shows clearly the annual “hole” that appears above the South Pole in the austral springtime, and which last year grew to about 23 million sq km (9 million sq miles) in extent. The …

Nigeria: NiMet to Establish 1,000 Automatic Weather Stations

The Nigerian Meteorological Agency (NiMet) has signed a Memorandum of Understanding (MoU) with Trans-African Hydro-Meteorological Observatory (TAHMO) in The Netherlands, to develop a network of Automatic Weather Stations (AWS) across the country. NiMet's Director-General, Professor Sani Mashi, said this in a statement by Mrs Tessy Ushie, the agency's Assistant General …

Zim scientists unravel El Nino origins

A new study by two Zimbabwean climate science experts could make it possible to predict El Nino Southern Oscillation (ENSO) ENSO several months before its occurrence. Climate experts say ENSO is one of the most important climate phenomena on earth due to its ability to change the global atmospheric circulation, …

Kenya enjoys rare snowy feel, but meteo agency says it was hail storm

Kenyans on Tuesday evening took to social media to celebrate a rare case of snow falling in the East African country. Photos and videos shared on social media showed whitish substance on the streets of the town of Nyahururu located in the country’s Laikipia County. The Kenyan Meteorological Agency, however, …

Ozone hole recovery threatened by rise of paint stripper chemical

The restoration of the globe’s protective shield of ozone will be delayed by decades if fast-rising emissions of a chemical used in paint stripper are not curbed, new research has revealed. Atmospheric levels of the chemical have doubled in the last decade and its use is not restricted by the …

South Africa weather service says likelihood of El Nino this year has decreased

South Africa's Weather Service has said the likelihood of an El Nino weather pattern, which brought a scorching drought to southern Africa last year, returning later this year has decreased. "There is still an expectation that an El Nino event would occur during the coming spring/summer seasons; however, the likelihood …

Reduced US air pollution will boost rainfall in Africa's Sahel, says study

Falling sulfur dioxide emissions in the United States are expected to substantially increase rainfall in Africa's semi-arid Sahel, while bringing slightly more rain to much of the U.S., according to a new study in the Journal of Geophysical Research: Atmospheres. Pollution filters placed on coal-fired power plants in the United …

El Nino likely to develop by summer and fall 2017: weather forecaster

A U.S. government weather forecaster on Thursday projected the possibility of neutral or El Nino conditions as nearly equally favored in the Northern Hemisphere during the summer and fall this year. The Climate Prediction Center (CPC), an agency of the National Weather Service, in its monthly forecast said relative to …

Japan sees 50 percent change of El Nino emerging by beginning of autumn

Japan's weather bureau said on Friday it sees a 50 percent chance of the El Nino weather pattern emerging by the beginning of autumn. The Japan Meteorological Agency said last month there was a 50 percent chance that El Nino would emerge by August. The U.S. government's Climate Prediction Center …

South Africa considers strategic grain reserve as possible El Nino looms - minister

South Africa, the continent's biggest maize producer, hard hit by an El Nino-triggered drought last year, is considering a strategic reserve as a buffer against future shortages, its agriculture minister told Reuters. Neighboring countries such as Zimbabwe and Zambia have such reserves, but it would entail a significant policy shift …

Normal Monsoon rains likely: IMD

India will get normal rainfall this monsoon season, the weather office has said, somewhat allaying fears that an El Nino phenomenon may disrupt the weather system that’s the lifeline for the country’s rural economy. The June-September monsoon rainfall this year is expected to be 96% of the long-term average with …

Airborne Dust Bulletin: sand and dust storm warning advisory and assessment system

The World Meteorological Organization has issued its first annual Airborne Dust Bulletin, giving an overview of atmospheric dust levels and geographical distribution in 2016. The report is part of efforts to improve observations and warnings of sand and dust storms, which pose serious risks to the environment, human health and …

Variability and trends in low cloud cover over India during 1961-2010

Annual and seasonal variability and trends in low cloud cover over India were analyzed for the period 1961-2010. Taking all period into account, there is a general decrease in mean low cloud cover over most regions of India, but an increase in the Indo-Gangetic plains and northeast India. Long term …

Analysis of rainfall by using Mann-Kendall trend, Sen’s slope and variability at five districts of south Gujarat, India

On the basis of past 115 years (1901-2015) rainfall data of five districts of south Gujarat, the MannKendall trend, Sen’s slope and regression slope showed that annual and monsoon rainfall at Valsad, Dang and Surat shows the increasing trend while, that of Navsari and Bharuch districts are declining. The monsoon …

Sydney weather: Summer confirmed as city's hottest for days and nights in 157 years

Sydney's record-breaking weather juggernaut rolls on, with summer confirmed as the city's hottest for both days and nights over records stretching back 157 years. There's also an increased chance of an El Nino developing later in the year, an event that tends to bring abnormally warm and dry conditions to …

Antarctica sets new record high temperature

The continent of Antarctica officially has a new record high temperature of 63.5 degrees, scientists from the World Meteorological Organization (WMO) announced Wednesday. The record was set on March 24, 2015, at the Argentine Research Base Esperanza, located near the northern tip of the Antarctic Peninsula. It replaces the previous …

Rapid cooling threatens North Atlantic

Study claims 50 percent chance of major chill before end of the century. For thousands of years, parts of northwestern Europe have enjoyed temperatures as much as 5 degrees Celsius above those of similar latitudes elsewhere in the northern hemisphere. Now, a study by a British and French team of …

US basks in winter warmth

In a typical February, much of the United States is in the grip of cold winter weather - not this year. Record-high temperatures have been recorded across much of the country, and the warmth will continue for a while yet. The usual winter weather pattern involves cold Arctic being driven …

Weather experts say new El Niño possible later this year

• Scientists from the World Meteorological Organisation (WMO) say there is a possibility of a new El Niño event forming later this year. • In 2015 and 2016, a powerful El Niño drove up global temperatures and played a role in droughts in many parts of the world. • Normally …

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