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We present the measurements of cloud-base height variations over Aryabhatta Research Institute of Observational Science, Nainital (79.45E, 29.37N, 1958 m amsl) obtained from Vaisala Ceilometer, during the nearly year-long Ganges Valley Aerosol Experiment (GVAX). The cloud-base measurements are analysed in conjunction with collocated measurements of rainfall, to study the possible contributions from different cloud types to the observed monsoonal rainfall during June to September 2011.

Ice sheets, deserts, rivers, islands, coasts and oceans -- the features of Earth's surface are wildly different, spread across a vast geography.

New research based on ocean models and near real-time data from autonomous gliders indicates that the "The Blob" and El Niño together strongly depressed productivity off the West Coast, with The Bl

BARCELONA (Thomson Reuters Foundation) - Governments have been too slow to respond to droughts and floods linked to the El Niño weather pattern, and must do better next time if global development g

In a major new paper in the influential journal Science, a team of researchers report strikingly good news about a 30-year old environmental problem.

Cases of heatstroke are likely to jump as temperatures surge this summer amid Japan’s first La Nina phenomenon in six years, according to the Meteorological Agency.

Sydney has just shivered through its coolest June day in 21 years although the worst of the cold spell is probably over for now.

High precipitation quantiles tend to rise with air temperature, following the so-called Clausius–Clapeyron scaling. This CC-scaling relation breaks down, or even reverts, for very high temperatures. In our study, we verify this reversal using a 60-year period of summer data in Germany. One of the suggested meteorological explanations is limited moisture supply, but our findings indicate that this behavior could also originate from simple undersampling.

More than 25% excess rainfall over normal on Wednesday has pulled down the overall deficiency in the quantum of monsoon rainfall to only 18% from 25% reported a week ago.

MUMBAI: The normal monsoon onset date for the city may be June 10 in the India Meteorological Department (IMD) calendar, but in the last 65 years there have been only two years, 1999 and 2004, when