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The ordinary thunderstorm cell is born in an environment that is relatively free of vertical wind shear. The circles represent the tips of the wind vectors at various altitudes (listed in km) with the respective tails aligned with the origin. The wind vectors are not shown. |
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The typical "straight" hodograph for multicellular development. |
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The typical "curved" hodograph for supercellular development. The large increase in wind speed between points 1 and 2 indicates a significant low level jet, which is important for the formation of supercell thunderstorms. |