And why is a rapid DROP in them bad?
In: Planetary Science
1 bar is just about the normal atmospheric pressure.
1 millibar is 1/1000 of a bar
Low pressure usually means storms because higher pressure from elsewhere will flow in bringing in heat and water which will reach the center if the low pressure system and be pushed up, that water condenses, and you get rain. The faster/larger the pressure drop, the more violent the storm
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