Mysterious interference on Doppler radar

By Alyssa Donovan

January 6, 2013 Updated Jan 7, 2013 at 2:47 PM CDT

LINCOLN, Ill.-- A curious line on the Central Illinois doppler radar is getting the attention of those at the local National Weather Service.

The mysterious imprint showed up on the radar back in November, and National Weather Service's Chris Miller says he has never seen anything like it.

Miller said, "We haven't here in Lincoln but other offices closest to us in St. Louis had a similar problem with this last year."

The blue line is causing concern for many viewers around the area as the signal is taking up quite a lot of space on the radar.

"It's putting a line of false echoes over Western Logan County and into Mason County and part of Fulton County and off into Iowa," said Miller.

Miller says the radar interference does not indicate a weather inference. It is not affecting the weather services operations at all. It's really more of a technical annoyance.

Miller said, "It's most likely a 4G transmitter, the signal we're getting is consistent with that."

Although Miller says the beam is harmless for now, the National Weather Service still wants the problem resolved.

"It's not Permanent it is something that we're going to work with whoever has the transmitter and come up with a solution," said Miller. "Once the engineers figure out exactly where it's coming from then they can contact the owners of the tower and see if they can put a filter on, and that will take care of the problem immediately."

In the meantime, Miller says your local forecasts and weather warnings should still be accurate.