The Blob (Pacific Ocean) the surface waters of the mid-latitude Pacific Ocean flipping from a cold phase to a warm phase in a cycle known as the Pacific decadal oscillation (PDO). This poorly-understood change happens at irregular intervals of years or decades. During a warm phase, the west Pacific becomes cooler and part of the eastern ocean warms; during the cool phase, these changes reverse. Scientists believe a cold phase started in the late 1990s and the arrival of the Blob may be the start of the next warm phase. The PDO phases may also be related to the likelihood of El Nino events.
The Ocean Cleanup next step is to test their new drifting system in the North Pacific in 2017. In May 2017, significant changes to the design were made: The Ocean Cleanup performed more scale model tests in 2018. The sea anchors were removed because the wind moved the system faster than the plastic. The opening of the U would face the direction of travel, which would be achieved by having the underwater screen deeper in the middle of the system, creating more drag. On September 9, 2018, "System 001" (nicknamed "Wilson" in reference to the floating soccer ball in the 2000 film "Cast