Left to right away from the higher concentration of salt. Fluids try to be in balance, with equal distribution of what’s dissolved in them.
I think it’s an example of zaher.
1) Weather services gives up to 8 hours of watch time because its just a prediction and might not be accurate
2) Necessary precautions is when there is a dangerous weather alert coming towards you and you need to go for safety
3) When theres a warning, it means to look out for something and be safe at the same time