Ask Josh Fitzpatrick: Diamond Dust Snow

Snow without clouds? Meteorologist Josh Fitzpatrick tells you how it forms and if it's ever too cold to snow.

Not many have heard of diamond dust snow as it doesn't form very often in our part of the world. 

Diamond dust snow generally forms under otherwise clear or nearly clear skies, so it is sometimes referred to as clear-sky precipitation.  It forms when the temperature is well below freezing.  Mostly in the teens or below.  This form of snow doesn't fall from the usual cloud but rather directly from the air close to the surface.  If there's enough moisture available, the very cold temperatures will squeeze out any moisture in the form of tiny ice crystals.  As they fall through the sunlight, they sparkle like diamonds.

Below is a photo of diamond dust snow.

Here's another question I often get this time of year: "Can it be too cold to snow?"

The answer is no.  As long as there's enough moisture in the air, it can't be too cold to snow!

If you have a weather related question and or comment, post them below in the comment section.

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