Step 1: Water
You can also store water by filling your bathtub before the storm hits. This water can be used as emergency drinking water, or for flushing the toilet. If it is raining out, you can collect water from your downspout. I have found the easiest way is by placing a garbage bag under the spout and using a clothespin to hold it in place. When the bag gets full, pour it into your bathtub. This water is best used for flushing the toilet, unless you purify it before drinking.