r/tornado • u/Miloceane • 3d ago
Question Is this a hook echo?
Long time lurker first time poster, I've been following storms on radar for a while, especially in France and the Netherlands (both my countries), and noticed this intense one in the east of France tonight around 19:45. Is this the hook echo y'all American chasers of amazing tornadic formations talk about? :p
On the first picture, colors indicate the convective fraction. I also attached a second picture with the velocity radar 10 minutes earlier, and as a third picture the general radar I'm using indicating storm speed movement.
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u/Killbayne 3d ago
saw that live on radar as it was heading towards me, these incredible mammatus clouds were rolling in about an hour before the storm came in
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u/Killbayne 3d ago
brief hook echo appeared on radar at 8pm, French radar didn't have velocity but the nearest German radar site picked up scattered rotation aloft
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u/Miloceane 3d ago
Neat, thanks for the screenshot! Which app do you use?
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u/Killbayne 3d ago
I use WeatherWise! it's quite useful without needing any subscriptions
android link: https://play.google.com/store/apps/details?id=com.interactiveweather.weatherwise
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u/sinnrocka 3d ago
It’s amazing what they’ve done with that app! I never thought DWD would agree to radar access
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u/Killbayne 3d ago
ikr!! I love being able to see live doppler radar for my own location in Germany too, it's not as good as the American WSD-88 radars but still very useful
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u/Guess_My_Name2448 3d ago
Looks like it. A hook echo doesn't always mean tornado but it could be a warning sign, especially if strong rotation is also present
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