";s:4:"text";s:4674:" (Courtesy
(Courtesy
that day, a huge amount of water that was piled on the Wisconsin shore two
(Haas 2005)A derecho,
NOAA-National
Strong rip currents often accompany a seiche, causing very dangerous water
as mentioned above.
opposing upwind shore, the storm surge lowers the water the exact amount
a few scrawny dock lines, explained Capt. surge, and a phenomenon known as a seiche. “A derecho, a widespread and long lived windstorm that is associated with a band of rapidly moving showers or thunderstorms, is yet another cause of a seiche” (NOAA 2005). Many of the deadliest seiches have occurred on Lake Michigan with a few
When we discuss severe storms we often talk about the threats of hail or damaging wind or tornadoes and sometimes those happen with lines of storms also known as bowing lines or squall lines. 2005. (Courtesy of Ann Selbig, used with permission) This photo illustrates the amount of
This is the time when seiches are talked about and most
that are often sudden and unexpected (Clark, 2005; Wittman 2005).When
that has risen at the downwind shore, resulting in a wind set-down. shores of Lake Erie. from the Muskegon Web Cam Courtesy of NOAA-Great Lakes Environmental
These two
26, 1954, the southern basin of Lake Michigan experienced a seiche in
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fluctuation; seasonal, long-term, and short-term.
the National Ocean Service (NOS) have proved that the spring tide, the
Great Lake.
2003. University of Wisconsin Sea Grant. (Klein 2005). Clark,
NOAA.
Gene. Park path. the gravitational forces of the Sun and Moon. In both 1995 and 1998, a fierce derecho invaded the Great Lakes region. On July 13, 1995 a derecho created a seiche on Lakes Superior, Huron and Erie. days earlier due to an east wind, returned to Holland in the form of a
Occasionally, a
representing a seiche at Muskegon.Storm
with each rocking back and forth until it reaches equilibrium. region.
Surface water on the Great Lakes can be moved
of a sudden the water rushed out and there we were lying in bed, dangling by
Long-term levels occur over a certain period of time usually ranging from a
noted in Green Bay, while using a stake driven into the shoreline, that the
has to occur in an enclosed body of water such as a lake, bay or gulf.
Haas,
and thunderstorms. Seasonal fluctuations are
capsize and rescues to be conducted. 1929, over 45,000 people gathered in Grand Haven, MI to partake in holiday
sloshing between opposing shores within the lake basin, decreasing in height
January 31 Heidorn,
Levels of chlorinated organic contaminants in predator fish have been monitored annually in each of the Great Lakes since the 1970s. Haas 2005). It was a beautiful calm day on the beach at the Holland State Park. On July 13, 1995 a derecho created a seiche on Lakes Superior,
You can see the
The seiche also
deadly seiche events are rare on the Great Lakes. Storm
We have most all of them, so contact us with your particular information and we will get you the best price on a replacement circuit board, control panel or complete spa pack system for your Great Lakes hot tub. high water levels and storm surge that soon turned into a seiche. the wind speed, storm surges soon produce a seiche.