Which plasmas are hot and which are cold: ionosphere, lightning, polar aurorae

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I have a question about plasma and its temperature:
Which plasmas are hot plasma and which are cold plasmas.For example ionosphere ,Lightning,polar aurorae etc.
 
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Sounds like a homework question, so I'll try not to be specific!

The temperature of a gas or plasma is a bulk property and is related to the rms of the velocity of the individual particles in the system in question.

So a hot plasma has fast moving ions.