There are some things that are easy to quantify in order to stock up for emergency preparedness. You can estimate, for example, a gallon of water per day for each person. Knowing how many diapers to store — and what size — is a little more difficult to guess.
I've been cartooning since I was a teenager, and have been published in magazines ranging from AASHTO Quarterly to the LDS Church magazines and several other periodicals, trade publications and newsletters.
Feel free to contact me with comments, complaints or questions!