Preparations are underway in Louisiana for a dangerous winter storm and final preparations are being made before we see several inches of snowfall through Tuesday.

During this historic winter storm, we may experience power outages, much like you may see during a hurricane, and one trick to seeing if you've lost power if not home has been on social media for a few years now.

A few years ago Sheila Russell shared this tip on Facebook and it lives on. She notes that if you expect to lose power, you should place a quarter or any type of coin on top of a frozen cup of water in your freezer.

The reason for placing a coin on a frozen cup of water is that when you return home if you find the quarter has moved towards the bottom of the cup it's a sign you lost power and the contents in your freezer may be contaminated.

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This "trick" can tell you whether or not your food is safe to eat or if it's not safe to eat and should be disposed of.

I know many people with camps or second homes who do this, and you should consider doing it, too, as we prepare for this historic snowstorm.

Much of the snowfall will begin Monday night after midnight and continue for most of Tuesday. Roads will likely not be suitable for driving, so if you are away from your home or camp, this coin trick in the freezer will be vital upon your return.

Stay safe and continue to check back here for more updates in the days ahead.

LOOK: See how much gasoline cost the year you started driving

To find out more about how has the price of gas changed throughout the years, Stacker ran the numbers on the cost of a gallon of gasoline for each of the last 84 years. Using data from the Bureau of Labor Statistics (released in April 2020), we analyzed the average price for a gallon of unleaded regular gasoline from 1976 to 2020 along with the Consumer Price Index (CPI) for unleaded regular gasoline from 1937 to 1976, including the absolute and inflation-adjusted prices for each year.

Read on to explore the cost of gas over time and rediscover just how much a gallon was when you first started driving.

Gallery Credit: Sophia Crisafulli

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