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| Hard to see in this screen grab, but a strange waterspout is seen approaching shore in a bay in South Boston. The theory is that planes landing at nearby Logan Airport helped set off the strange phenomenon. |
This was at Castle Island In South Boston, in a cover of water known as Pleasure Bay. It appeared two waterspouts approaching shore there Tuesday morning.
Video of the incident is at the bottom of this post.
It's not completely clear from the video, it looks like the two waterspouts, or whatever they were, spun in opposite directions as they both advanced toward shore.
It seemed like a bit of a mystery, since atmospheric conditions didn't seem conducive to waterspouts.
There were some rain and snow showers in the area around 8 or 9 a.m.. But they didn't seem the type of thing that would spawn waterspouts. And it appears the video was taken around 6:30 a.m or so.
On key thing: It appears the area where the waterspout like features appeared was in the flight path of low flying aircraft heading northbound to land at nearby Logan airport.
The theory is that exhaust from at least one of the low-flying planes somehow reached down and formed a sort of air whirlpool or two which sustained themselves one the plane was gone.
Obviously, this whole thing wasn't strong enough to cause damage or danger, but it was an example of how the strangest things can cause some local weather effects.
Click on this link to view the video. If you see the image below, click on that.
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