Other than keeping your taps opened and water flowing, it's difficult in the South as the pipes are often buried too shallow to avoid freezing. At least keep and eye on them and know how to quickly turn off your main.
Stock up on kerosene a couple heaters and some CO2 monitors. Same with your generator and fuel.
I've lived up North, but I think many don't realize that houses are built for such temps with insulation, nor are there any services to deal with the severe ice buildup or snow accumulation.
I know it's cliché to say it, but this is exactly why you prepare and while you can't foresee a 100-year flood, or a 100-year freeze, the same rules apply when preparing. Don't rely on any municipal service or power and I would plan to have no less than 2-3 weeks worth of supplies, heating, water, fuel, etc.
Hey OP, I don't recall, but how much time did the local forecasts give you all before the storm hit?
We had a sever ice storm hit us about six years ago; trees were snapping in half, power lines down, roads completely shutdown. We're not isolated rural, but we are outside our small town and we didn't have power for a week with temps in the teens. My wife and I just congregated to the living room with the fire place and used the kerosene heater as well. I wish I had a gas stove, but I had enough fuel for the camp stoves. We kept water running in the pipes and I used a small generator for the water pump/pressure tank (which is ironically inside the home), and charging devices. I also had went through the couple days prior to the cold front hitting and recharged a couple hundred batteries for various devices (mostly lights).
We were comfortable, could heat up water for bathing, cooking, plenty of food a few bucket of water to flush toilets (our own septic tank), and we just watched movies and read in a warm living room lit by several oil lamps. We also felt the effects of a rare earth quake which got me to thinking about some supplies to seal the home if breached by structural damage, roof damage (high winds or fallen tree), etc.
Spend some time on your personal AAR and lessons learned. Assess the gaps and start planning to fix them. It may not be a freezing storm next time, but possibly electrical blackouts during the heat of the summer. Water will be more critical as will air flow and cooling.
While not appropriate for the moment, the comments from Tim Boyd (now former) Colorado City, TX Mayor, are unfortunately very telling about why you need to prepare and look after yourself and likely work with your neighbors to improve their own preparations as well.
No one owes you or your family anything; nor is it the local government’s responsibility to support you during trying times like this! Sink or swim, it’s your choice! The City and County, along with power providers or any other service owes you NOTHING! I’m sick and tired of people looking for a d— hand out! If you don’t have electricity you step up and come up with a game plan to keep your family warm and safe. If you have no water you deal without and think outside of the box to survive and supply water to your family. If you are sitting at home in the cold because you have no power and are sitting there waiting for someone to come rescue you because your lazy is direct result of your raising! Only the strong will survive and the weak will perish. Folks God Has given us the tools to support ourselves in times like this. This is sadly a product of a socialist government where they feed people to believe that the FEW will work and others will become dependent for handouts. Am I sorry that you have been dealing without electricity and water; yes! But I’ll be d—ed if I’m going to provide for anyone that is capable of doing it themselves! We have lost sight of those in need and those that take advantage of the system and meshed them into one group!! Bottom line quit crying and looking for a handout! Get off your a– and take care of your own family! Bottom line-DON’T BE A PART OF A PROBLEM, BE A PART OF THE SOLUTION!
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I use events like these to engage family and close friends who I know aren't prepared. These are lessons much better learned without having to live through them, but some people will never learn without experiencing the pain and suffering.
ROCK6