The severe thunderstorm warning for Niagara and Haldimand County wrapped up around 4:15 p. m. on Sunday, according to Environment Canada. However, a flood watch remains in effect for Niagara.
The federal agency had issued the storm alert Sunday afternoon, warning that heavy rain was expected across much of southwestern Ontario, including the Hamilton and Niagara areas.
A special weather statement from Environment Canada was released around 12:30 p. m. on June 14, indicating local rainfall totals could reach between 30 to 50 mm throughout the afternoon into the evening. By about 2:30 p. m., they expanded their warning to cover most of Haldimand County and Niagara, noting meteorologists were tracking a thunderstorm “capable of producing strong wind gusts and heavy rain.”
The Niagara Peninsula Conservation Authority declared a flood watch at approximately 3:30 p. m., stating that while they “do not anticipate major flooding along larger watercourses, nuisance flooding in low-lying areas adjacent to smaller streams and creeks is likely.”
In Hamilton, Brantford, and St. Catharines, the forecast for the afternoon included showers with a chance of thunderstorms until around 7 p. m. In Burlington, Environment Canada predicted that the risk of thunderstorms would decrease around 6 p. m.
The special weather statement for heavy rainfall extended from Lake Ontario in the east all the way to Lake Huron in the west. By about 4 p. m., Environment Canada updated it so that it only applied to an area including Norfolk County and Long Point.
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