Alberta Foothills Weather

July 11 – Hail scars

The first time I saw a hail scar across the farmland of Alberta was in early August 2009 after a brutal night storm tore a strip from Rocky Mountain House almost to the US border, nearly 400km long (link).
Now we have five scars in one week, there is a lot of salad in southern Alberta.
The biggest one is a swath from right around Granum across the south edge of Lethbridge and almost to to US border. Google earth measures it at 140km. Another smaller scar right over Taber and off to the east a few km. Another short one near Stavely and yet another northeast of Nanton. Two more good sized scars south of the border in Montana.
The ugliest one stretches ~60km from just east of Airdrie to the Rockyview area. This scar has had most of the crops pounded to little bits, and even the bits have been stripped of their green.
You can surf back to images from the beginning of the month to see a scar-free Alberta at the NASA Worldview site.

NASA Worldview of hail scars over southern Alberta July 10, 2013

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