Show Low Pressure Accompany Bad Does bad weather always accompany a very low pres- sure BAD weather invariably accompanies a very low pressure system unless the pressure dips only for a few hours and then rises A freak does occur occasionally and momentarily weather will hold even as the mercury column this if not will bring winds and probably Very low pressure means a valley on top of the layer of gases surrounding the earth is above Air swirls into this valley from mountains pres- sure and sets up a counter-clockwise rotation motion and a weather this BELOW the the motion is is clockwise low pressure counter-clockwise in high pressure |