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Pat Shingleton: "Wind Set-Down..."

7 years 3 months 1 week ago Friday, April 07 2017 Apr 7, 2017 April 07, 2017 4:10 AM April 07, 2017 in Pat Shingleton Column
By: Pat Shingleton:

An archived Weatherwise magazine report noted that “wind set down” occurs when strong winds blow over water for an extended period of time, shifting the water body downward. This downward shift causes a low-angle tilt and the upwind, shore water level drops. Here’s an excerpt about the Red Sea. “As the sun sank over the Nile Delta, a man stood on-shore… raising his rod as a howling wind blew from the east. In the morning the sea was gone, blown to the west; permitting people to walk upon dry ground where the day before fish swam and boats sailed.” The man was not Moses as described in Exodus 14 but Major-General Sir Alexander B. Tulloch, holding a surveyor’s rod, not a staff, in 1882. Researchers believe that “wind set down” is comparable to a hurricane’s storm surge. In the past, on the western end of Lake Erie, “wind set down” events have dropped the lake by 2 meters. At Cedar Key Harbor in Florida in September 6, 2004 a 1 meter drop in water level occurred as Hurricane Frances passed. It then rose 1.5 meters above sea level in nine hours.

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