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Mysterious Trumpet Sounds Heard All Night in Spokane Valley

This is the loud trumpet/howling noises in Spokane Valley, WA that I have been hearing All night. Started around 11pm and have been non-stop up until this morning, about 6am.

That’s just one of countless social media posts that appeared throughout the night of December 13th and early December 14th as residents of Spokane Valley, Washington, tried to find the source of (and hopefully shut off) an eerie trumpeting sound that drove many out into the frigid cold in attempts to determine the cause. Did they?

Local media outlets in Spokane valley, a suburb of Spokane, jumped right on the story the night of December 14th, reporting thousands of people – one estimated at least 27,000 people would have been exposed to it – heard the mysterious sound from 10:30 pm to 5 am … a sound that many described as a trumpet, which always stokes apocalyptic fears. They attempted to pinpoint the cause.

Snow plows was a popular initial diagnosis, since there was snow on the ground and plows on the streets. In fact, one report mentioned a single mall parking lot that was allegedly being plowed continuously the entire night (nice work if you can get it). While that might explain the sound in that localized area (and it was later determined that the lot hadn’t been plowed at all), it doesn’t explain the sound traveling throughout the town nor the loudness of it, especially in areas where there was no plowing going on.

When sound travels great distances, weather, cloud cover and the unusual properties of cold air are the usual suspects.

… temperature does affect the speed of sound, which can make certain things sounds different than what we are used to hearing. Sound will actually travel faster in hot air than it will in colder air.

That’s a local TV station’s science expert, Radical Rick. (Should we trust a scientist who calls himself radical? Wouldn’t Logical Lou be a better source?) Cold air that night (not unusual in Washington state) could have slowed down normal sounds and distorted them into trumpet blasts. That sounds logical, not radical, especially if the night was filled with loud noises like snow plows and trains. However, plows were already ruled out and there were few trains running that night.

A snowy location where the sound was heard

A snowy location where the sound was heard

One interesting theory was that the sound was the creaking of train rails expanding and contracting in the cold. That might make sense if it happened frequently (Spokane Valley is often this cold) and the noise wasn’t so loud.

Once the usual suspects are disproved, the unusual suspects come out for mysterious trumpet sounds in the sky. There’s the Hum that’s heard around the world, but its frequency is too low to make the Spokane noise. There’s the sound make by the Northern lights, but that’s more of a crackling and there were no reports of auroras that night on Spokane. Tectonic plates rubbing? Not in this area. The moaning of whales or other sea creatures? These don’t last for hours. HAARP? Good luck proving that one.

For those who don’t believe the constant trumpeting of those shouting “Snow plows!”, the search for an explanation of the Spokane Valley trumpeting continues. Any thoughts?

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  • _neo

    Have heard the same in Johannesburg central, South Africa. Went on for a few hours, but wasn’t as aggressive as that.

  • Jim

    Plate tectonics?

  • fergus macerc

    Precursor sounds tp seismic activity. Watch out for earthquakes.

  • Ghostdanser

    Kind of similar to the sounds I’ve heard coming from communications towers when the wind blew through the structure. Different wind speeds produced different pitches, and it depended on the size and type of the tower. I wouldn’t want to bet my life on it, but it “may” account for some of the sounds.

  • MeccaWrecka

    how deep do the mines go?

  • buscador

    It is new technic to get the ionosphere sounding.

  • Pamela Hankins

    Well, it’s loud, but it sure does not sound like trumpets!

  • Sparky McBiff

    Likely the military is testing one of their top secret technologies like Project Bluebeam

  • This is literally the sound of the earth EXPANDING, going through what some might term “growing pains.” Might be spooky, but it’s totally natural and harmless.

  • fookingsoc

    Sound travels FASTER in cold air since it is more DENSE!!! If the air temperature is too high, air becomes thin and planes don’t have as much lift!. Need more runway to take off!!!

  • _neo

    That I do not know – we’ve had a couple of earthquakes because of the mines, but have never heard sounds like this.

  • Hesperides

    Sounds like elephants attempting to sing Christmas carols

  • Darren

    If it is God then boy does he need to take some trumpet lessons

  • it was road graders, not snow plows. The County and City dont plow or clear private property. The Spokane Valley Mall hired a company to come clear the ice. The company did so from 10pm to 8am. Krem2 News even showed video proof when they arrived to the scene at 7am. The blade of the graders scraping the pavement is what made the sound.

  • ton008

    If it was determined to be created by road graders, how can the same sounds be heard in other areas of the world that currently have no need for road graders, being there isn’t currently snow there?

  • Thats some terrible trumpeting.