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Flooding in LaSalle Updates

Essex Region Conservation Authority (ERCA) is the recognized authority for watershed information updates. They have developed a series of escalating precautionary public messages to advise residents of potential or imminent flooding conditions.

Watershed Conditions/Safety Bulletin: Factors could be dangerous, but flooding is not expected.

Flood Outlook: Early notice of flooding potential based on weather forecasts.

Flood Watch: Potential for flooding within specific watercourses or municipalities. Municipalities, EMS and landowners in flood-prone areas should be prepared.

Flood Warning: Flooding is imminent or is occurring in specific watercourses or municipalities.

June 12, 2020 Flood Watch

The Essex Region Conservation Authority advises that, in addition to the standing High Static Water Level message for the Essex Region shorelines that remains in effect until July 2nd 2020, a Flood Watch is in effect for the following areas as a result of prolonged northeasterly winds:

  • Lake St. Clair shoreline from Windsor to Ruscom River in the Town of Lakeshore;
  • Lake Erie shoreline including Pelee Island and islands within the western basin; and
  • Detroit River shoreline.

Wind speed predictions are variable. Currently, forecasts only indicate speeds approaching 30 km/hr, gusts up to 45 km/hr, with a higher probability of speeds exceeding 30 km/hr for periods on Sunday, June 14. This advisory is in effect until 9:00 am on June 15.

May 18, 2020 Flood Warning

The Essex Region Conservation Authority advises that, due to the strong sustained winds out of the east, a Flood Warning is in effect for the following areas: Municipality of Leamington, Town of Kingsville, Town of Amherstburg, Township of Pelee and Town of LaSalle. This Flood Warning is in effect until May 20 at 10:00 am.

Town of LaSalle:
Low lying roadways and properties west of County Road 20 (Front Road) and south of Turkey Creek. Currently flooded areas include roadways such as Martin Lane, Willow Drive, Wahneta Avenue, and Senator Street. Low lying areas and roadways along the Canard River such as Canard Drive and Snake Lane are also being impacted by elevated water in the Detroit River.

May 17, 2020 Flood Watch

The Essex Region Conservation Authority advises that, due to predicted moderate-to-strong easterly winds over the course of the next few days, a Flood Watch is in effect for the shoreline areas of Lake St. Clair, the Detroit River (including LaSalle), and Lake Erie including Pelee Island and islands within the western basin. The inland region is also under a Flood Watch due to the the predicted rainfall amounts.
 
In addition to predicted winds, forecasts are also predicting significant rainfall between Sunday and Tuesday. Rain is expected to begin on Sunday with total amounts predicted around 25 mm. Monday shows amounts could be up to 50 mm over a 24 hour period. Thunderstorm activity could make rain fall heavy at times and add additional rainfall amounts to localized areas.

May 14, 2020 Flood Watch

Forecasts indicate that LaSalle and our region could receive up to 25 mm to 50 mm of rainfall by the early hours of Friday morning. The higher amount of rainfall would likely occur as a result of thunderstorms and may cause some tributaries to swell and spill into low lying areas. Lake levels remain high and may cause additional local drainage issues. Heavy rainfalls associated with the potential thunderstorms may also cause localized ponding in low lying areas. This Flood Watch specifically related to rainfall is in effect until 10 am Friday, May 15. Upon this Watch expiring, the shoreline Flood Watch will remain in effect.

April 25, 2020 Flood Warning

The Essex Region Conservation Authority advises that, due to the current high lake levels and predicted moderate-to-strong sustain winds out of the northeast tonight through Sunday, that a Flood Warning is in effect until the morning of Monday April 27. 

With the strong northeast winds over both Lake St. Clair and Lake Erie, water levels may rise in the Detroit River. If the water level rises high enough, then the low lying areas west of Front Road (County Road 20) could see water come onto portions of the roadways through low catch basins that are connected to gravity storm sewer outlets.

April 23, 2020 Flood Warning

The Essex Region Conservation Authority advises that, due to moderate-to-strong winds out of the east, a Flood Warning is in effect until noon on Friday, April 24. Current winds are out of the east at moderate-to-strong speeds (roughly 30 km/hr) and has caused flooding in the area. Persistent strong winds out of this direction may bring additional impacts to low lying areas along the Lake Erie shoreline (including Pelee Island), the Detroit River including LaSalle, as well as Lake St. Clair from Windsor to Belle River. People are encouraged to pay attention to local conditions.

Longer-range forecasts indicate some strong winds out of the northeast on Saturday into Sunday, which brings an elevated risk of flooding and erosion to the region, including in LaSalle. Town of LaSalle and ERCA officials will continue to monitor the forecast and local conditions and advise accordingly.

April 1, 2020 Flood Watch Until Further Notice

The Essex Region Conservation Authority Advises that, due to record high lake levels, a Flood Watch is in effect for all shoreline areas within the Essex Region, including Pelee Island. Areas of potential concern are the low lying beach communities and shoreline areas along Lake St. Clair, the Detroit River, and Lake Erie, as well as low lying areas along the downstream reaches of major tributaries. Unless superseded by a Flood Warning, this Flood Watch will remain in effect until further notice. However, it should be noted that water levels are not anticipated to peak until June-July 2020. Therefore, our office is advising residents to take proper caution especially near shoreline areas where conditions can change quickly based on wind speed and direction. 

To check flood warning status, visit: essexregionconservation.ca/flood-status

Flooded boat ramp in LaSalle