We have big-sky cloud formations to enjoy, ponder and maybe hide from. They range from interesting to downright scary, and it is fun to recall some clouds that made me skedaddle faster than greased ...

Quite a few Iowans spotted ominous, swirling cloud formations Thursday evening as storms moved through the state.These dramatic clouds are called "asperitas."Asperitas are well-defined, undulating ...

We have another question to answer! Jim asks: "Hey, Ray, I recently heard about shelf clouds. They are an eerie sight indeed! Can you give a brief synopsis of how these fronts form?" Shelf clouds do ...

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