5. What can it do?
Barometric pressure changes constantly in any given area at any time. These
changes create the winds, clear the skies, or make clouds.
6. Important to weather forecasting's
Barometric pressure is a great way to predict weather
forecasting's. For example, rising barometric air pressure means
clearing skies and fair, normal weather. Falling pressure means
that wet or stormy weather is in the near future.
(My grandma has
one of these!)