Say jet-black clouds roll in, power goes down, and you’re cowering in the basement with your iPhone. Nashville’s first, middle and last line of defense is NashSevereWx, a Twitter feed manned by local attorney David Drobny, Middle Tennessee’s night watchman of the skies, whose steady presence reassures even when the Doppler over Davidson County is a creeping blob of tomato aspic. Never again will you fear a Crazy Ivan — or not know what a Crazy Ivan is
