National Oceanic and
Atmospheric Administration
United States Department of Commerce

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Key Climate Observations Restored with Deployment of KEO Buoy

March 31, 2022: The Kuroshio Extension Observatory (KEO) moored buoy was successfully deployed by NOAA PMEL and partners, renewing an ongoing OceanSITES time series that began almost 18 years ago. First deployed in 2004, its time series was disrupted by the COVID pandemic. KEO collects vital data in the Kuroshio Extension recirculation gyre, a region known to affect the development of storms over the North Pacific before they reach the United States.

Satellite image stitched together showing the Pacific Ocean with an atmospheric river (shown as a river of white cloud cover) across the North Pacific Ocean

The KEO moored buoy (pink star) was deployed just in time to observe an intense atmospheric river (as shown in the satellite image) that connected the western Pacific to the east and brought stormy weather and heavy precipitation to the Pacific Northwest. Click on image to see full image. Cloud image created from worldview.earthdata.nasa.gov

Folks on the back deck of a ship in a half circle around a large yellow buoy with metal cage signaling to each other in preparation to deploy the buoy off the back of the ship

The KEO Climate Station deployment aboard the R/V Kiayo Maru #1 took about 6 hours. Data from this key climate observation moored buoy can be used to help improve weather and storm forecasts, inform climate projections and verify satellite products and models. Photo Credit: Patrick Berk/University of Washington and NOAA PMEL

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