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Co. of Warner near Writing-On-Stone Prov. Park

Alerts in Effect

Special Weather Statement

Issued at 15:38 Tuesday 23 May 2017

An abrupt change in the weather is coming to most of Alberta tonight into Wednesday.

A strong low pressure system is forecast to develop by this evening west of Edmonton near the BC border. This low will then move east-southeast through the province. As it does so, a big change in the weather will occur.

An area of rain will move into west-central parts of the province tonight, and southward along the foothills into southern Alberta Wednesday morning. The heaviest rain will extend from Grande Prairie to Hinton southward to the Nordegg and Rocky Mountain regions. Current indications are that rainfall amounts will be in the 30 to 40 mm range, but some areas may see upwards of 50 mm, especially with any thunderstorms embedded in the rain. Rain will end overnight Thursday as the low pressure system moves out of the region.

In addition, higher elevations of the foothills and mountain parks may see the precipitation change over to snow late tonight. Current indications are that some parts of these regions, may receive 5 to 10 of snow by Wednesday morning.

Finally, this system will bring strong northerly winds to much of the province. Beginning early Wednesday afternoon much of western to southwestern Alberta may see gusts upwards of 80 km/h. Winds will begin to ease Wednesday evening as the low begins to move off.


Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to or tweet reports using #ABStorm.

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