This photo shows a barometer on frenchman Bernard Poitau's boat "Anticylone" as he takes part in the Vendee Globe ... major offshore races with live weather conditions. The tenth edition of ...

As for what the barometer in your iPhone is measuring, it, in part, uses the change in pressure ... Readings from the barometer can also be used by certain weather and health-monitoring apps ...

The self-emptying tipping bucket technology is most often used for rain gauges in weather stations ... The wind vane part of the anemometer forces the propeller to face into the wind - resulting ...