But there was a secondary, more subtle effect.

Air pressure can have a significant impact on the boiling point of liquids.

So if air pressure drops, so does the temperature needed to get a liquid to a roiling boil.

Waves from Storm Ciaran, November 2023

Waves from Storm Ciaran, November 2023Credit: ajpenniallphotography via Shutterstock

This gave them accurate data of Ciarans effects as the storm passed.

Namely, that it would make cups of tea taste measurably worse until air pressure returned to normal.

Weather can have subtle effects.

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