File:US weather map, 8 Nov 1913.png

Transwiki approved by: w:en:User:Dmcdevit

This image was copied from wikipedia:en. The original description was:

Weather map drawn by the Weather Bureau's Toledo observer and published in the Toledo Blade in Nov. 1913. Depicts the formation of the w:en:Great Lakes Storm of 1913. Unlike modern weather maps, these showed no warm/cold fronts, since frontal mechanisms were not yet understood, and isobars were located in part by eye and guess. (Courtesy: White Hurricane, via Toledo-Lucas County Public Library).

Saturday, November 8th: A surface low has developed along the cold front, though its center is probably somewhat north of what's shown here. The huge mass of high pressure to the west — the source of the northwesterly storm winds over the Lakes — is now clearly visible. The southward bulge of low pressure embraces -- even as it obscures -- the developing surface low over Georgia that will move north overnight to become the final piece in a cataclysmic atmospheric chain of events. (excerpt from White Hurricane)

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