ZAP! A solar-flare-disaster miniseries called The Carrington Event. Sounds a bit like William Forstchen’s One Second After.
Meanwhile, in response to my earlier post on Where Are The Bicycles In Apocalyptic Fiction? I should note that the Montague Paratrooper Pro Folding Bike seems to fill the bill nicely.
And, of course, for the immediate aftermath of an apocalyptic event, you’ll want one of these.