[DManA]

I have a physicist friend who says these clouds are very rare in the winter and presage significant global cooling.

[April Lexington]

I have a physicist friend who says these clouds are very rare in the winter and presage significant global cooling.

Really? Does he use entrails or tea leaves?

[gleeaikin]

On the other hand could it mean that warmer oceans are putting more evaporation into the upper atmosphere?