Why were the (imaginary) 'land hurricanes' so cold in the film The Day After Tomorrow?

Question

Accepted Answer

Because they were sucking in cold air all the way from the upper troposphere

Answer

Because it was spinning so fast it took away all the heat

Answer

Because it is carrying in a new ice age

Answer

Because it reached all the way into outer space (so there was also no air)

Answer

Because it was blowing the air from the ground up higher into the atmosphere

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