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rip current |
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rip currentor riptideNarrow, jetlike stream of water that flows sporadically seaward for several minutes, in a direction perpendicular to a beach. The term riptide is a misnomer because the currents are in no way related to tides. Rip currents form at long coasts that are approached by wave trains that are nearly parallel to the shoreline. In shallow water, normal wave motion displaces the water small distances shoreward with each passing wave. During periods of large waves, water builds up at the beach and cannot escape as longshore currents, which require oblique wave approach. The buildup continues until water can escape by surging for several minutes through a low point in a breaker, creating an undertow that can be dangerous for swimmers. rip current [′rip ‚kə·rənt] (oceanography) The return flow of water piled up on shore by incoming waves and wind. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | MLL released its list of preseason rosters for the upcoming season, and the Riptide was not included. Pictured here at the North Island Naval Base San Diego Pier are (left to right) seaman Ist class, Clint Wolf; Riptide cheerleader Nez Zamorano; seaman Andrew Russell; and Riptide cheerleader, Cassandra Evans. A TOURIST and his friend drowned when they were dragged out to sea by a riptide. |
riptide |
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