ABCA Flood Warning Issued
Posted by Ljubica Blazevic on February 26, 2020
Forecast strong winds with gusts exceeding 70km/hr may result in flooding and erosion problems along the Lake Huron shoreline
A large low-pressure system will move into southern Ontario today (Wednesday, February 26, 2020), bringing with it high winds. Strong northwest winds are expected to begin early tomorrow morning and persist through most of tomorrow, before veering slightly more out of the west Friday, before diminishing late Friday. Maximum sustained wind speeds of more than 40 kilometres per hour, with gusts exceeding 70 km/hr are expected with this event.
The strong winds, combined with near record-high water levels on Lake Huron, will result in higher than normal waves hitting shoreline areas. Shoreline ice is present in thin bands but will be subject to movement by changing water levels and wave action. Wind speeds are forecasted to be in the range of recent events. However, the duration of this event could exceed 24 hours, making this a potentially higher impact event. Waves are expected to build through the early morning tomorrow before subsiding by the weekend.
Freezing spray is expected to create dangerous walking conditions along the shoreline and may accumulate on low-lying structures.
In addition to flooding of low-lying coastal areas, continued erosion of the lakeshore bluff is likely. Residents and municipal officials are reminded to stay well back from breaking waves, and also to stay away from top-of-bluff areas during and after the storm, in case there has been any movement of the lake bank. It is important to remember that there may be a delay between erosion at the toe (bottom) of the bluff and subsequent bluff failure.
This message will remain in effect until 9:00 a.m. on Monday, March 2, 2020, unless local conditions warrant further updates. The Ausable Bayfield Conservation Authority (ABCA) will continue to monitor watershed conditions and will provide an update if required.
Forecasted strong winds with gusts up to 70 km/hr may result in flooding and erosion problems along the Lake Huron shoreline. Read More
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