Physical survival is secondary. Once you've addressed spiritual needs, supplies can be stored to assist with shortages and chaos that will certainly follow. Time could be short. For those who care to read on, here is some common sense advise. Make peace with God and your fellow man.
Spiritual preparation is utmost.
Save your soul. Acquaint yourself with other prophecies. Pray for guidance and discernment. Once you've completed preparations, don't live in morbid anticipation. Share these revelations with others and remember that God is in control.