Why does the mercury column in the barometer fall rapidly before a severe storm? It is due to
A
Increase in the humidity of air
B
Fall in the atmospheric pressure
C
Severe heat energy from the sun
D
Rise in the atmospheric pressure
Correct Answer: Fall in the atmospheric pressure
The mercury column in the barometer fall rapidly before a severe storm, It is due to Fall in the atmospheric pressure. In general, a falling barometer indicates the approach of a storm. If the mercury is over 30.20 inches but falling quickly, warmer, cloudier weather is coming.