Post #3742585
2026-07-11 15:58 UTC
...in June we had a few days over 32.6mm: on June 21st Stony Plain got 73mm, and Blatchford got 64mm.
But those were all-day soakers, rather than a single, intense, brief storm.
https://public.tableau.com/shared/78FWT6MN6?:display_count=n&:origin=viz_share_link
Replies (1)
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@yegwxnerdery@mstdn.ca 2026-07-11 16:00
...the 2025 Building Code has Edmonton's 15min rain event as 29mm. Drainage systems are currently designed for that, although I don't know how that has changed over time. We got 22.7mm from 7:30~8PM, and then another 7.3mm after 8PM. https://climate.weather.gc.ca/climate_data/hourly_data_e.html?climate_id=3012209&Month=7&Day=10&Year=2026