Recent weather events in the United States — hurricanes Harvey and Irma — affecting Texas through the southern states — and in the Indian sub-continent deluging northern Bihar, Bangladesh and Nepal have, once again, brought under the lens the matter of ocean warming and climate change. Harvey’s intensification occurred after travelling over unusually warmer ocean temperatures (2 degree C) in the Gulf of Mexico, before landfall. The sea surface warming in the Gulf has occurred over a century and is continuing. The Arctic Report Card also describes how sea surface temperature (SST) is increasing in the Arctic Ocean and adjacent
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