What do the numbers on the map represent?

Option (2)

Explanation:

Weather symbols have great importance in understanding the weather forecasting maps.

In the given map, H represents the high-pressure regions and L represents the low-pressure regions. The red-colored curved lined with half circles indicates the warm front and the blue-colored curved lines with triangles indicate a cold front, prevailing in that area.

The numbers represent the temperature of that particular place. The number in the left indicates the maximum temperature and the number in the right depicts the minimum temperature.

Thus, the correct answer is option (2).

They join together places with the same mean sea level air pressure (weight per square area of air above). Some have numbers on them showing this value in hectoPascals.

Explanation: