The figures below are surface weather maps from Superstorm 1993, which produced

Question

The figures below are surface weather maps from Superstorm 1993, which produced blizzard conditions across much of the eastern U.S. Hurricane-force winds were also reported along with scattered tornadoes. Overall, the storm system killed 318 people. The weather maps have isobars (labeled in millibars), low pressure, high pressure, cold fronts, warm fronts, stationary fronts, and precipitation intensity (the darker the shaded area, the more intense the precipitation) all plotted for you. Use this information to answer the following questions: What happened to the intensity of the storm as it moved from the Gulf of Mexico north-northeast across the eastern United States? Note the path of Superstorm 1993 from the top to bottom in the figures on the left. This storm produced a copious amount of rain and snow across the eastern U.S. How could the path of the storm have an influence on the amount of precipitation that fell?

Explanation / Answer

a. As the storm from Gulf of Mexico move towards the eastern United States the intensity of precipitation will increase as we can see in the maps of 13 March 1993 that the shaded area has increased which indicates the precipitation.

b. The low pressure developed along the stationary front on the Gulf coast of Texas on 12 March,1991. This low pressure intensifies when it crossed the Gulf of Mexico on 13 March,1991. Since the low pressure means the air will rise. This rising air is full of moisture as it comes from the Gulf of Mexico. As this rising air will cool and condense and form clouds which will give heavy precipitation in the area. So in this way the path of storm plays an important role in the amount of precipitation in the area.

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