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Precipitation records surpassed in July

Rain or no rain, that was the question. How it was answered for the month of July depended on where you live in Ontario. There was either too much of it or not enough. The wettest parts of the province were scattered.

Rain or no rain, that was the question. How it was answered for the month of July depended on where you live in Ontario. There was either too much of it or not enough.

The wettest parts of the province were scattered. Some of the most severe downpours were of short duration, but very intense. Petawawa had one of those days on July 19. Environment Canada has data showing more than 90 millimetres from two sites in the area, but reports of almost double that amount were reported by members of the public. Geraldton experienced two days where rainfall measured in excess of 50 millimetres, on July 10 and July 26.
Both of these locations established new monthly precipitation records for July.

Very dry conditions were generally reported across most of southern Ontario, but locations such as Thunder Bay and Sault Ste Marie were also well below their monthly norms.

It was a fairly active month for thunderstorm activity across the province. While some storms did produce local damage, the event that stands out was a series of storms during the day on July 8 and continuing into the early morning hours of the next day.

While average temperatures for July did not show any significant trends, a hot spell across Northern Ontario from July 22-26 broke a number of single-day maximum temperature records for places like Kenora, Red Lake, Dryden, Geraldton and Kapuskasing.

This weather also prompted the issuance of humidex advisories for communities extending up to the far northern reaches of the province, with the effects of high humidity combining with the record-breaking heat.

While this unseasonable weather was impacting Northern Ontario, southern Ontario was under the influence of a large upper disturbance which kept out the worst of the heat and humidity.

This articles was supplied by Environment Canada.


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