A tragic drowning event occurred along southeastern beaches of Lake Michigan on a sunny and calm July 4, 2003, hours after a fast-moving convective storm had crossed the lake. Data forensics indicates that a moderate-height (~0.3 m) meteotsunami was generated by the fast-moving storm impacting the eastern coast of the lake. Detailed Nearshore Area (DNA) modeling forensics on a high-resolution spatial O(1 m) grid reveals that the meteotsunami wave generated unexpected rip currents, changing the nearshore condition from calm to hazardous in just a few minutes and lasting for several hours after the storm. Cross-comparison of rip current incidents and meteotsunami occurrence databases suggests that meteotsunamis present severe water safety hazards and high risks, more frequently than previously recognized. Overall, meteorological tsunamis are revealed as a new generation mechanism of rip currents, thus posing an unexpected beach hazard that, to date, has been ignored.
Recent Posts
Archives
- September 2023
- August 2023
- May 2023
- April 2023
- March 2023
- February 2023
- December 2022
- November 2022
- October 2022
- July 2022
- May 2022
- April 2022
- March 2022
- January 2022
- December 2021
- November 2021
- October 2021
- September 2021
- August 2021
- July 2021
- June 2021
- April 2021
- January 2021
- December 2020
- October 2020
- September 2020
- August 2020
- July 2020
- June 2020
- April 2020
- February 2020
- January 2020
- December 2019
- November 2019
- October 2019
- September 2019
- July 2019
- June 2019
- May 2019
- April 2019
- March 2019
- February 2019
- January 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- June 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- July 2017
- June 2017
- March 2017
- January 2017
- December 2016
- October 2016
- September 2016
- July 2016
- June 2016
- May 2016
- January 2016
- October 2015
- August 2015
- May 2015
- January 2015