
At the very least, go pick up a few big jugs of water from the grocery store next time you’re out, and some canned food.
Here’s a more complete list (from ready.gov):
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Water – one gallon of water per person per day for at least three days, for drinking and sanitation
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Food – at least a three-day supply of non-perishable food
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Battery-powered or hand crank radio and a NOAA Weather Radio with tone alert
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Flashlight
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First aid kit
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Extra batteries
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Whistle to signal for help
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Dust mask to help filter contaminated air and plastic sheeting and duct tape to shelter-in-place
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Moist towelettes, garbage bags and plastic ties for personal sanitation
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Wrench or pliers to turn off utilities
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Manual can opener for food
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Local maps
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Cell phone with chargers and a backup battery