I am sure that I can remember back in the day, when the Wt said not to lay in stocks of food or other things to prepare for Armageddon, rather to "trust in Jehovah" ....They did recommend hiding up some "spiritual food" though in case the expected persecution at that time made it impossible to get any. I hid a Bible and some mags in a very secure place in the house I then lived in. For all I know, it is still there.......
More recently an article on natural disasters had this advice , in case of hurricanes etc
Aw.09 9/07 p7
ARE YOU EQUIPPED TO FLEE?
"The New York City Office of Emergency Management recommends that households plan for evacuation by assembling a “go bag”—a durable, accessible, easy-to-transport bag containing important emergency items. The following may be included:"