As marine heat waves continued to simmer along the East Coast and beyond, a mass of warm water twice the size of Alaska quietly arrived on the Pacific Northwest’s coastal shores.
The mass was looming off the West Coast and rolled in with changing wind patterns in mid-July, bringing sea surface temperatures about 5 to 7 degrees Fahrenheit above normal. Scientists aren’t sure exactly how long it may hang out, or how it may affect marine life and shellfish harvest.
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