barfingyak@[EMAIL PROTECTED]
wrote:
>
> IT IS AN IMPOSTER. SNIBBLER IMPOSTERS ME!
>
> HAIL ME, INSTEAD.
>
> I AM YOUR ALMIGHTY YAK.
>
> HEHEHEHE.
>
> BOW AND BARF BEFORE ME, EARTHLINGS.
>
> OKAY, I AWAIT YOUR PRAYERS.
>
> - THE ALMIGHTY YAK
Hail forms on condensation nuclei such as dust, bugs, or ice crystals,
when supercooled water freezes on contact. In clouds containing large
numbers of supercooled water droplets, these ice nuclei grow quickly at
the expense of the liquid droplets because the saturation va**** pressure
over ice is slightly less than the saturation va**** pressure over water.
If the hail stones grow large enough, latent heat released by further
freezing may melt the outer shell of the hail stone. The growth that
follows, usually called wet growth, is more efficient because the liquid
outer shell allows the stone to accrete other smaller hail stones in
addition to supercooled droplets. Once a hailstone becomes too heavy to
be sup****ted by the storm's updraft it falls out of the cloud. The
reason rain can't fall, is typically because of the strong winds inside
a thunderstorm cloud. These winds hold the rain and freeze it. As the
process repeats, the hail grows increasingly larger. When a hail stone
is cut in half, a series of concentric rings, like that of an onion, are
revealed. From these rings we can determine the total number of times
the hail stone had traveled to the top of the storm before falling to
the ground.
Even though temperatures at this height are below freezing, most of the
cloud's moisture is super cooled. This means it remains liquid because
it lacks a surface on which to freeze. As soon as a super cooled droplet
collides with potential nuclei—ice crystals, frozen raindrops, dust, or
salt it freezes quickly.
Dr Lil
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