Granby Forensic Weather & Hail Impact Report

Look, I’ve been replacing roofs up here for over fifteen years, and if there’s one thing I tell every homeowner in Granby, it’s that we’re sitting right in Mother Nature’s crosshairs. It’s not just the big summer thunderstorms that roll off the Continental Divide—those are bad enough, with marble-sized hail that comes down sideways. But the real kicker is our geography. We’re tucked right against the Fraser Valley and the Never Summer range, and that bowl effect acts like a funnel. When a storm system pushes over the peaks, it gets squeezed and spun, which makes the wind gusts whip down the slopes at sixty, seventy miles an hour. That wind doesn’t just blow shingles off; it actually lifts them up just enough for the hail to hammer the exposed nail heads and underlayment. So you get this one-two punch where the wind preps the damage and the hail finishes the job.

And it’s not a once-a-year thing, either. We get a nasty spring season in May and June when the warm, moist air collides with the leftover cold air from the mountains—that’s when the supercells form. Then again in late September, right before the first snow, we’ll get those freak fall storms that drop golf-ball-sized ice when folks are already thinking about winterizing. I’ve seen brand new architectural shingles look like someone took a shotgun to them after a single twenty-minute storm in August. The problem is, most people don’t realize the damage until the following spring thaw, when the ice dams and melting snow expose the weak spots. By then, the decking’s already soaked and the rot’s set in. Honestly, if you live here, you’re not asking *if* you’ll need a roof replacement—you’re just hoping you get a good insurance adjuster before the next big one hits.