I do not recall if this has been suggested in the past. Is it feasible for the development team to add support for custom notification sounds when lightning is detected by the station?
you want a loud thunder coming out of your home speaker system?
(perhaps you actually can via ifttt )
Why not go all the way, and also link it to your home automation system and make the indoor lights flash on and off for each lightning strike? Bonus points if the light flash and thunder sound from the speaker are timed to account for the approximate distance from the strike…
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that would be very geeky to have the delay between light and sound correct.