One calendar page means at least a few thousand dollars that you can access immediately. Remember, Siciliano advised, in the event of a catastrophe in which power is cut, ATMs will be down, banks will be closed, credit cards will be useless, and price-gouging at stores and at gas pumps will be rampant. You'll need a surplus of cash to deal with it.
A dirty bomb or nuclear tragedy could put you even further away from your money for a longer period of time, he said. There will be no substitute for physical currency.
It doesn't take an apocalypse to stir panic, Siciliano said. Hurricane Irene blacked out
more than 4 million homes and businesses, including communities on the fringe of the storm.
Siciliano offered these other tips for keeping a reserve during a disaster: