Meteorologists often use an instrument called a barometer to measure air pressure and the change in pressure, to track the movement of high and low pressure systems and the weather associated with them.
(Meteorologists; use; an instrument called a barometer; T:often) (an instrument; called; a barometer to measure air pressure and the change in pressure,) (the weather; associated; with them)
Meteorologists an instrument the weather
use called associated
an instrument called a barometer T:often
a barometer to measure air pressure and the change in pressure,
with them