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Underwater coral reef with group of tropical fish anthias, Red sea resort concept, Egypt

Global ocean roiled by marine heatwaves, with more on the way

The surface temperatures of about 40% of the global ocean are already high enough to meet the criteria for a marine heatwave — a period of persistent anomalously warm ocean temperatures — which can have significant impacts on marine life as well as coastal communities and economies. The new forecast by the Physical Sciences Laboratory (PSL) projects that it will increase to 50% by September, and it could stay that way through the end of the year.

NOAA cruise supports vital climate and weather data flow

Researchers with NOAA’s Atlantic Oceanographic and Meteorological Laboratory (AOML), NOAA’s Pacific Marine Environmental Laboratory (PMEL), NOAA’s National Environmental Satellite, Data and Information Service, and partners set sail from Bridgetown, Barbados aboard NOAA Ship Ronald H. Brown on November 1st, 2022. Over the next 40 days, the crew and scientists recovered and redeployed key moorings in the Prediction and Research Moored Array in the Tropical Atlantic (PIRATA), deployed an additional mooring, and serviced two equatorial PIRATA buoys in support of the PIRATA Northeast Extension project and broader PIRATA objectives. They also conducted a number of research projects on the ocean and atmosphere that advance our understanding of carbon absorption in the ocean and atmospheric pollution.

Atmospheric Rivers: What are they and how does NOAA study them?

You may have heard of atmospheric rivers in the news lately due to the intense rainfall and flooding along the U.S. West Coast. These naturally occurring air currents can bring both severe disruption and great benefit through the heavy rain and mountain snows that contribute to regional water supply. NOAA studies atmospheric rivers to improve forecasting capabilities as well as to improve our understanding of atmospheric river impacts on communities and the physical environment. 

Arctic Report Card: Update for 2022

The warming Arctic reveals shifting seasons, widespread disturbances, and the value of diverse observations. Shifting seasons and climate-driven disturbances, such as wildfires, extreme weather, and unusual wildlife mortality events, are becoming increasingly difficult to assess within the context of what has been previously considered normal. Read more at the 2022 Arctic Report Card site…

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