Yep ,most important thing here is to GET OUT in time, it i can be matter of hours not days.
I mean this hour you could go and get there with your car, be t if you late hour or two then it could be very long trip on foot, with lot of problems.
Watch carefully how situation develops, and read “between the line” to recognize stage when they say “situation is hard but no need to panic…” or similar, that usually means that S. will hit the fan very soon.