Over Half of California's Coastline Warned of Dangerous Ocean Conditions
Swimmers and beachgoers were advised to remain on alert on Wednesday and, in some places, avoid going into the ocean.
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Worst hurricane to hit US since 2005 created waves 55 miles above ground: Watch NASA's shocking visual
"These massive ripples through the upper atmosphere, known as atmospheric gravity waves, appear in AWE’s images as concentric bands (artificially colored here in red, yellow, and blue ...