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01 Aug 2024 | 03:26 AM UTC

Canada: Severe weather forecast over central and northern Alberta and western Saskatchewan through at least Aug. 1

Severe weather forecast across parts of Alberta and Saskatchewan, Canada, through Aug. 1. Transport and utility disruptions possible.

Warning

Thunderstorms are forecast across parts of central and northern Alberta and western Saskatchewan through at least Aug. 1. Strong winds, lightning, hail, and tornadoes may accompany storms. As of late July 31, Environment Canada has issued red severe thunderstorm warnings (the highest level on a three-tier scale) across northwestern and east central Alberta and west central Saskatchewan. Yellow severe thunderstorm watches are in place across most of the rest of the affected area. Authorities will likely issue new alerts or update/rescind existing advisories as weather conditions change over the coming hours.

Sustained heavy rainfall could trigger flooding in low-lying communities near rivers, streams, and creeks. Urban flooding is also possible in developed areas with easily overwhelmed stormwater drainage systems. Sites located downstream from large reservoirs or rivers may be subject to flash flooding after relatively short periods of intense rainfall. Landslides are possible in hilly areas, especially where heavy rain has saturated the soil.

The severe weather could contribute to transport disruptions throughout the region. Floodwaters and debris flows may render some bridges, rail networks, or roadways impassable, impacting overland travel in and around affected areas. Ponding on road surfaces could cause hazardous driving conditions on regional highways. Authorities could temporarily close some low-lying routes that become inundated by floodwaters.

Severe weather may trigger flight delays and cancellations at airports across the affected region. Flooding could block regional rail lines; freight and passenger train delays and cancellations are possible in areas with heavy rainfall and potential track inundation.

Localized business disruptions could occur in flood-hit areas; some businesses might not operate at full capacity because of damage to facilities, possible evacuations, and some employees' inability to reach work sites. Strong winds could also cause power outages.

Monitor local media for updated emergency and weather information. Seek updated information on weather and road conditions before driving or routing shipments through areas where severe weather is forecast. Plan accordingly for potential delivery delays if routing shipments by truck through the affected area. Do not attempt to drive through flooded areas. Confirm flights. Charge battery-powered devices in the case of prolonged electricity outages.