A falling barometric pressure, detected by a barometer, signals an approaching thunderstorm. This drop indicates unstable atmospheric conditions, often preceding stormy weather. Meteorologists use barometric readings to predict thunderstorms, as the decrease in pressure signifies the likelihood of imminent weather disturbances and allows for timely weather warnings.

1. Fatehpur Sikri was founded by the Mughal emperor Akbar.

2. He planned to make this city as his capital, but lack of water forced him to abandon the city.

3. Fatehpur Sikri was built between 1571-1585 AD.