Answer 1:
Apparently, there can be lightning during
snowstorms but it is relatively rare. The
updrafts
of warm air that cause charges to separate during
thunderstorms are not common in snowstorms but
strong snowstorms or snowstorms near bodies of
water can have lightning.
Until recently, I
haven't spend much time in the snow so I hadn't
thought about this before. |
Answer 2:
Nobody really knows what the source of the
separation of electric charges in a thunderstorm
is, although it is thought that it has to do with
interactions between liquid water and solid water
(ice) molecules inside the thundercloud.
In a
snowstorm, there is no liquid water available;
it's all ice. As a result, there can be no
interaction, no charge separation, and thus, no
lightning.
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