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National UFO Reporting Center Sighting Report
Occurred : 1/17/2011 22:00 (Entered as : 01/17/11 22:00)
Reported: 1/19/2011 12:41:37 PM 12:41
Posted: 1/31/2011
Location: Tempe, AZ
Shape: Unknown
Duration: 1-2 minutes
Characteristics: The object made a sound, There were electrical or magnetic effects
Loud pulsating "woor...woor" noise shook apartment complex walls and set off car alarms at night in Tempe AZ

On January 17 2011 My girlfriend and I were watching a movie on our computer in my two story apartment complex (we live on the first floor) and around 22:00-23:00 hours we heard a faint throbbing noise that sounded as if it was getting closer and closer. The best I can describe the noise is like a fluctuating “woor...woor....woor...woor...woor” At first we thought it was a car with a loud speaker system but the noise got so loud that it shook the walls and windows of the apartment complex and it caused the alarm systems in the cars in the huge parking lot to go off. After the noise reached its peak it got faint within 2 minutes and then it was gone.

Our next theory was that it might have been a train but that was unlikely as the train passed by an hour after we heard the loud noise and I have never heard a train sound like that. We also thought of a low flying plane but we have never experienced that before in the 4 years we have lived at our apartment and in all the years prior to that when I lived under a flight path right by LAX . We quickly checked the news because we were concerned about what we had experienced but neither the local news or national news reported anything.

We didn't see any craft as we were so bewildered and concerned by what was going on that we didn't dare to look outside the windows.

The name of the apartment complex is called Solara at Mill Avenue, Tempe, AZ