Gradient (meteorology)


Gradzina was formed from a combination of smaller nuggets Grasshoppers

Gradina - a block of ice with a diameter of more than 5 mm, occurring during hail rainfall and some time after them. Most often it has a spherical shape.

Gradients arise when ice particles are floating or falling in a cloud of rainy clouds, they will encounter cold drops or droplets of water. Then, as a result of a collision with ice crystals, the droplets are frozen. They retain the bubbles of air, which makes the resulting ice is opaque. When a lump of ice comes into contact with another drop of water, it creates a liquid film on the ice, which then freezes. The ice cold cycle continues, as the resulting grains are carried by the upstream current to the top of the cloud, then descend towards the cloud base and then lifted again. They only fall into the ground when they become too heavy for the ascending current. The gravitational speed can reach 160 km / h. Recorded gravy Bibliography

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