Sneaux next week [Historic snowstorm in southeast Louisiana on January 21, 2025]

guidomerkinsrules said
How important is the ‘more than half a tank of gas’ in the car thing
I have a bit over half and I’d prefer to not venture back out

... this is kind of the opposite of, say, a potential hurricane evacuation, no? In this current snow event, the emergency procedure is that you DON'T drive. Ergo, no need for additional gas.

EDIT: Or are you thinking of another angle altogether?