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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Normal Rainfall Predicted for Southwest Monsoon 2018

India Meteorological Department (IMD) is issuing the forecast for the southwest monsoon seasonal rainfall (June to September) for the country as a whole in two stages. The first stage forecast is issued in April and the second stage forecast is issued in June. IMD is using state-of-the-art Statistical Ensemble Forecasting system (SEFS) which is critically […]

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आईएमडी मानसून पूर्वानुमान एवं मानसून प्रभाव

आईएमडी का मानसून पूर्वानुमान और दीर्घावधिक औसत

भारतीय मौसम विज्ञान विभाग (आईएमडी) ने दक्षिण-पश्चिम मानसून ( जून-सितंबर 2018) के लिए पहला पूर्वानुमान जारी किया है। आईएमडी के मुताबिक आलोच्य अवधि में भारत में मानसून के दीर्घावधिक औसत (Long Period Average-LPA) के 97 प्रतिशत रहने का पूर्वानुमान है जिसमें 5 प्रतिशत का अंतर हो सकता है। इसका मतलब यह है कि मानसून सामान्य […]

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Aadi Perukku- Monsoon Festival of Water Bodies in India

The livelihood of the Indian farmer is largely dependent on the monsoon rains, giving rise to a multitude of traditions and practices. Worshiping the monsoon is but natural for a nation that is so very rich in animistic practices that perhaps dates back to even before 8000 BC. Today is Aadi 18. Also known as […]

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The Chennai 2015 Floods

Climatic conditions and processes change over space and time. Nearly 70 per cent of the earth’s surface is covered by oceans. Both land and oceans have different characteristics in terms of their heating and cooling capacities, resulting in differences in atmospheric pressure, temperature and relative humidity. In addition to the massive ice-sheets over the Arctic […]

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The Monsoon

With the development of sophisticated scientific techniques and advancement in observing techniques like satellite imageries, our understanding of the dynamics of the monsoon has improved significantly in the last few decades. Nevertheless, the origins and mechanics of the monsoon are yet to be fully understood. While empirical seasonal forecasts of the monsoon have been moderately […]

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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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