El Nino

El Niño in Latin America and the Caribbean: 2023-2024

This joint WFP and Action Against Hunger publication presents the impacts of El Niño in LAC, highlighting the emergency response and resilience activities taken to mitigate the effect of climate shocks in the region. The publication underscores the significance of adequate anticipation, preparedness, and response to climate emergencies in LAC. …

Indian monsoons may fail more often due to climate change: Study

The Indian monsoon is likely to fail more often in the next 200 years threatening food supplies, unless governments agree how to limit climate change, a study showed on Tuesday. The monsoon rains could collapse about every fifth year between 2150 and 2200 with continued global warming, blamed mainly on …

Global warming to hit Indian monsoon system, say researchers

India, which relies heavily on the monsoon rains for its vital agriculture sector, may suffer “frequent and severe” failures in its monsoon system due to global warming in next 200 years, a new research has warned. The effects of this unprecedented decline in rainfall by 40-70 per cent would be …

Oxygen isotopes in tree rings are a good proxy for Amazon precipitation and El Niño-Southern Oscillation variability

We present a unique proxy for the reconstruction of variation in precipitation over the Amazon: oxygen isotope ratios in annual rings in tropical cedar (Cedrela odorata). A century-long record from northern Bolivia shows that tree rings preserve the signal of oxygen isotopes in precipitation during the wet season, with weaker …

Monsoon withdraws, zero deficit in Odisha

BHUBANESWAR: The South West Monsoon withdrew from most parts of Odisha on Monday signalling the end of rainy season which recorded a rare zero percent deviation this year. The India Meteorological Department announced that monsoon withdrew from Sundargarh, Jharsuguda, Sambalpur, Bargarh, Balangir, Nuapada, Sonepur, Kalahandi, Deogarh and parts of the …

Global warming can intensify tropical rainfall

A resident watches the water as dikes on the Salmon River gave way in Truro, Nova Scotia on Monday, Sept. 10, 2012. The area is under a rainfall warning as Tropical Storm Leslie churns toward Atlantic Canada. Leslie is expected to make landfall in Newfoundland bringing heavy rain and high …

IMD falters again, rains in no hurry to leave

Prediction Pangs: In August, the weatherman said it would be a poor show on the rain front in September due to the El Nino effect Now the seasonal rains seem to be in no hurry to leave or taper off. According to the latest forecast, conditions are not favourable for …

Reconciling disparate twentieth-century Indo-Pacific ocean temperature trends in the instrumental record

Accurately characterizing natural versus forced sea surface temperature variability in observations is needed to validate and verify climate models used for projections of future climate change. This study successfully resolves previous large discrepancies in estimated tropical Indo-Pacific twentieth-century trends between observationally based sea surface temperature reconstructions.

El Nino to hit monsoon in Sept, North to feel pinch

New Delhi: Expecting the manifestation of weak to moderate El Nino conditions in September, sources in the Indian Meteorological Department have said that the last month of the monsoon is likely to have below 90% of the long period average rain. Northwest India, where the rain of the past two …

Global Warming Causes More Extreme Shifts of the Southern Hemisphere's Largest Rain Band, Study Suggests

The changes will result from the South Pacific rain band responding to greenhouse warming. The South Pacific rain band is largest and most persistent of the Southern Hemisphere spanning the Pacific from south of the Equator, south-eastward to French Polynesia. Occasionally, the rain band moves northwards towards the Equator by …

More extreme swings of the South Pacific convergence zone due to greenhouse warming

The South Pacific convergence zone is a region of high precipitation spanning a vast swath of the Pacific Ocean that can shift northwards and become longitudinally oriented; such extreme zonal events have severe weather and climatic impacts and are predicted to become more frequent under greenhouse warming conditions. for full …

Heatwaves blamed on global warming

NASA climatologist James Hansen made headlines during the US heatwave of 1988, declaring in testimony to Congress and during interviews on prime-time television that a build-up of greenhouse gases was increasing the probability of weather extremes. Now, as much of the United States sizzles through another torrid summer and the …

El Nino picking up steam: Experts

Conditions In Pacific Moving To A Threshold New Delhi: The puzzle over this year’s truant monsoon may deepen with major forecasters now seeing the conditions in the Pacific approaching a threshold or borderline El Nino event — the weather phenomenon that is seen to cause drier conditions by disrupting the …

It’s official: Monsoon will be deficient

The India Meteorological Department (IMD) on Thursday made a downward revision of monsoon rainfall this season to “deficient” category revealing that the rainfall during June-September period will be less than 90 per cent of average without indicating a specific figure of rainfall for the entire season. “Based on the rainfall …

Climate change and the South Asian summer monsoon

More than one billion people live in regions affected by the South Asian summer monsoon. This Review provides an overview of our understanding of summer monsoon rainfall variability and its causes, and considers how the monsoon will change as a consequence of global warming.

Parts of country staring at drought

New Delhi: Monsoon might be recovering on an average across the country, but some pockets could be staring at a severe drought even as almost half the rainy season is over accounting for little rainfall. So far, the worst-hit is Gujarat, where the deficit ranges between 66% and 71% in …

Texas drought, British heat linked to climate change

Climate change increased the odds for the kind of extreme weather that prevailed in 2011, a year that saw severe drought in Texas, unusual heat in England and was one of the 15 warmest years on record, scientists reported on Tuesday. Overall, 2011 was a year of extreme events - …

El Nino likely by July-end, says US climate agency

SINGING IN THE RAIN: A gradual half degree centigrade rise in eastern Pacific sea surface temperatures by the end of June and a 1.5 degree rise in the region adjacent to South America could be indicative of the El Nino weather phenomenon developing in the July-September period. “Chances increase for …

Monsoon middle order holds key

The Nation Keeps Its Fingers Crossed, Hopes 28% Rain Deficit Will Be Wiped Out In The Slog Overs. If openers fail to score, the middle order is there to save the day. That’s how P Sivananda Pai, India’s leading monsoon forecaster, described the situation after rains failed in June. With …

Tracking earth’s energy: From El Niño to global warming

The state of knowledge and outstanding issues with respect to the global mean energy budget of planet Earth are described, along with the ability to track changes over time. Best estimates of the main energy components involved in radiative transfer and energy flows through the climate system do not satisfy …

Explaining extreme events of 2011 from a climate perspective

The contributions in this article examining some of the specific extreme weather or climate events of 2011 demonstrate the importance of understanding the interplay of natural climate variability and anthropogenic climate change on their occurrence.

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