हिंद महासागर में फिर से उत्पन्न हो सकती है अल नीनो परिघटना?

हम सभी अल नीनो भौगोलिक परिघटना से सुपरिचित हैं। राष्ट्रीय महासागरीय एवं वायुमंडलीय प्रशासन, यूएस (एनओएए) के अनुसार ‘अल नीनो मध्य एवं पूर्वी उष्णकटिबंधीय प्रशांत महासागर में महसागरीय सतह तापमान के उष्ण होने से जुड़ी प्राकृतिक तौर पर घटित होने वाली जलवायु प्रणाली है।’ यह प्रणाली प्रत्येक दो से सात वर्षों पर उत्पन्न होती है […]

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KJ Ramesh, IMD, Rainfall,

K J Ramesh I Bettering Monsoon Predictions

G’nY. Would you say that the accuracy of monsoon prediction has improved over the years? Monsoon rainfall predictions. Yes indeed. We have been able to improve the monsoon rainfall predictions on all temporal and spatial scales as far as rainfall distribution over the last 5 years is concerned. Coupled ocean-atmospheric model is run on a […]

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‘Godzilla’ El Niño to be followed by La Niña this year

New Delhi, March 08 (G’nY News Service): The term El Niño refers to the large-scale ocean-atmosphere climate interaction linked to a periodic warming in sea surface temperatures across the central and east-central Equatorial Pacific. The recent El Niño weather phenomenon has been one of the most powerful on record. Following its high impact over the […]

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The Science Behind the Tamil Nadu Floods

The Indian state of Tamil Nadu experienced a series of floods this winter. The city of Chennai was flooded between November 13 and 17 and on December 1, 2015 which persisted well into the second week of December. District after district was inundated—Kanchipuram on December 5; Tirunelveli on December 7; and Thanjavur, Thiruvarur and Nagapattinam […]

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