🛒Winter Storm Fern shopping list: What to buy before the Texas freeze. Is your winter storm preparation kit ready? With different parts of Texas under a winter storm warning, don't wait until shelves are empty. Here are the essential emergency supply items every Texan needs in their winter emergency kit before the freeze and power outages hit: ✅️1 gallon per person, per day for up to three days ✅️Perishable food items ✅️Batteries, portable chargers and flashlights ✅️Gasoline | Chron