Science · 6 pages · 12 min
Why hail and tornadoes share a kind of storm
Hail and tornadoes both come from severe storms with powerful updrafts, often the same supercell.
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From the opening
Hail and tornadoes both come from severe thunderstorms with very strong updrafts, especially supercells. The updraft that can hold growing hail is the same kind of updraft that, if the wind shear is right, can stretch rotation into a tornado, so they share a parent more than they share one mechanism. The opening covers a strong updraft grows the stones, shear supplies the rotation, and the mesocyclone can host both.
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Inside
- A strong updraft grows the stones
- Shear supplies the rotation
- The mesocyclone can host both
- Hail is not a tornado guarantee
- Where the idea stops applying
- A distinction worth keeping
Sources
- Supercell updrafts and hail growth
- Mesocyclones and tornadogenesis