If the the coffee cup bubbles are in the center the weather will be likely good. If on the sides likely not. It has to do with how high atmospheric pressure — a sign of good weather — pushes the bubbles to the middle.
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If the the coffee cup bubbles are in the center the weather will be likely good. If on the sides likely not. It has to do with how high atmospheric pressure — a sign of good weather — pushes the bubbles to the middle.