The Gales of November

Historically, November is not a good time to be on the Great Lakes.

Great Lakes Storm of 1913

In early November, 1913, a blizzard struck the U.S. Midwest and the Canadian province of Ontario. The Great Lakes storm of 1913 reached its highest intensity on November 9. A total of 19 ships were sunk and another 19 were stranded on Lakes Superior, Michigan, Huron, and Erie. Cargo losses were in excess of 68,300 tons and were valued at over a million dollars. More than 280 mariners lost their lives in the most destructive natural disaster to ever strike the Great Lakes.

Let us not forget the SS Edmund Fitzgerald sank on November 10, 1975:

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The Plot Thickens

In a previous post, I mentioned that I rewrote the software that generated this plot:

Geoplot, Ship Analytics, New York City

I found some examples of plots produced with this new version of the plotting software (via A Study on the Correlation between Shiphandler’s Subjective Evaluation and Maneuvering Risk in Curved Narrow channel):

Fig. 2 Ship's composite tracks in case of portside cross current and wind Fig. 3 Ship's composite tracks in case of starboardside cross current and wind Fig. 4 Ship's composite tracks in case of stern current and wind

The ship track outlines are to scale and if you look closely, you can see the rudder angle on the chip tracks. I remember changing “Ship Analytics” to “MORC, KMTRI” at the request of KMTRI while I was providing technical support for a port development project in Busan, South Korea.

The tracks are monochrome because I got the images from a .pdf file.

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