(CNN) As the coldest air of the season spreads across the Eastern US, even some southern states are feeling the chill.

From Louisiana to the Carolinas, even down through Florida, temperatures are averaging 10 to 15 degrees below normal.

Freeze warnings and hard freeze warnings are in effect across Florida and Georgia through Wednesday morning.

Tuesday afternoon, the National Weather Service in Miami issued a rare forecast regarding cold temperatures but it was for iguanas. Yes, you read that correctly.

I - guan - as

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