Describe the characteristics of these successive stages of air ...

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Describe the characteristics of these successive stages of air mass thunderstorm formation and dissipation.
 
  What will be an ideal response?

Question 2

This image, showing storm radial velocity (the air motions taking place within a cloud) is especially useful in studying supercell storms: ________.
 
  Fill in the blank(s) with the appropriate word(s).

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Answer to Question 1

Answer: Cumulus stage: The first stage of an air mass thunderstorm begins when unstable air begins to rise, often by the localized convection that occurs as some surfaces undergo more rapid heating than others. The rising air cools adiabatically to form fair-weather cumulus clouds. Mature stage: The mature stage of the air mass thunderstorm begins when precipitationas heavy rain or possibly hailstarts to fall. As the falling rain or hail drags air toward the surface, downdrafts form in the areas of most intense precipitation. The mature stage marks the most vigorous episode of the thunderstorm, when precipitation, lightning, and thunder are most intense. Dissipating stage: As more and more of the cloud yields heavy precipitation, downdrafts occupy an increasing portion of the cloud base. When they occupy the entire base, the supply of additional water vapor is cut off and the storm enters its dissipative stage. Precipitation diminishes and the sky begins to clear as the remaining droplets evaporate.

Answer to Question 2

Answer: Doppler radar