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A stretch of wet weather is on its way to many communities in southern British Columbia as we head into early next week. July is usually the driest month of the year in BC This year, however, we could see rain for a whole month in a few days. Learn more about the weather and what to expect below.
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A stranded top-level pattern is to blame for the next stretch of rainy conditions.
We are seeing a rex blog in western Canada this weekend. This higher-level blocking pattern occurs when a lower-level blocking pattern is trapped below a higher-level ridge, basically blocking the jet stream and forcing a stagnant pattern to remain in place for days, and even all weeks in extreme cases.
While the Arctic Circle communities endure an impressive stretch of abnormal heat as a result of this stubborn ridge, BC will fall on the unstable side of the blocking pattern with this upper level stuck in the region.
This pattern is responsible for the impending stretch of rain that will begin dragging the south coast and the Lower Mainland from Sunday and will last until Tuesday.
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Prior to that, on Saturday a cold front will turn southeast across the province, with a widespread risk of storms in most BC Parts of the Interior could see strong thunderstorms begin in the afternoon and evening, with heavy showers, heavy hail and strong gusts of wind. and localized floods as potential hazards.
A steady, shady rain will begin to build up in the region throughout Sunday. The heaviest rain is probably Sunday, with episodes of rain continuing as we head to the start of the new work week.
In total, precipitation will amount to 30-50 mm for much of the region, with possible isolated pockets of more than 50 mm. This may not seem like much, but since July is usually quite dry, this is almost a month of rain for some places.
On Sunday there will be a risk of scattered and light storms inland and on coastal areas. However, there is a risk of stronger storm dynamics in the Lower Mainland.
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Rain will begin to come out of southern BC on Tuesday, leaving behind the possibility of scattered showers and storms for the rest of the week.
We will escape any summer heat throughout British Columbia as we move forward during the first week of the month. Temperatures are expected to be around or slightly below seasonal levels for the next seven days, with highs hovering around 20 ° C during the duration in Vancouver.
Check back for the latest details on the rain towards British Columbia.