I have spotted what appears to be an ...

I have spotted what appears to be an anomaly, do you know what it is??

Posted in the Meteorology Forum


Ottawa, Canada

#1 Mar 23, 2012
It's a giant circular "mass" that covered half of the state of Pennsylvania on March 22nd between 9:00 and 11:00 PM EST.

I have been asking around, but nobody seems to know what it is. Do you?


Mississippi State, MS

#2 Apr 19, 2012
That is a NEXRAD radar return located at Penn State University operating in clear weather mode, meaning it is set to a higher sensitivity during clear weather and produces a lot of ground clutter. Some folks mistakenly refer to this perfectly normal radar operation as a "haarp ring."

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