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An air pressure contour line joins locations in a region having the same atmospheric pressure. The following is an air pressure contour plot of a geographical region. Contour lines are shown at 0.05 bar intervals in this plot. If the possibility of a thunderstorm is given by how fast air pressure rises or drops over a region, which of the following regions is most likely to have a thunderstorm?

An air pressure contour line joins locations in a region having the same atmospheric pressure. The following is an air pressure contour plot of a geographical region. Contour lines are shown at 0.05 bar intervals in this plot. If the possibility of a thunderstorm is given by how fast air pressure rises or drops over a region, which of the following regions is most likely to have a thunderstorm? Correct Answer R

The possibility of a thunderstorm is given by how fast air pressure rises or drops over a region.

The pressure difference between for the given regions is shown in the below table:

Region

Maximum

pressure

Minimum

pressure

Pressure

difference

P

0.95

0.9

0.05

Q

0.8

0.75

0.05

R

0.85

0.65

0.2

S

0.95

0.9

0.05

 

The air difference is maximum for region R. So, Region R is most likely to have a thunderstorm.

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