When I pulled up the link it showed something on mountains. Is that what it is?
Answer:
i think its 1 im not sure tho
If air pressure rises, a high pressure cell is on the way and clear skies can be expected. If pressure falls, a low pressure cell is coming and will likely bring storm clouds. Barometric pressure data over a larger area can be used to identify pressure systems, fronts, and other weather systems.
Hope this helps.
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