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Friday, March 14, 2014

A million little pilots and not a single transponder

This probably looks like a mundane, "nothing to see here" weather radar snapshot. However, it's actually a nice sign that spring is finally just around the corner!

Why? Because those circular green patches are not rain, but are actually flocks of birds migrating back north and being reflected on radar:

From Weather Underground, one of my favorite weather sites.
You see this same pattern in the evening/pre-dawn hours during the summer when bugs and birds are active. In the fall, the green patches start from the north and work their way south.

Happy almost-spring!

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