Weather Conditions prevailing near the reception time

There appears to be a large high pressure to the ESE of Florida extending across most of the mid-Atlantic. A weather front appears to cross the coast of the USA near North Carolina, and then curves NE towards Europe.

Does anyone have any ideas as to how this might explain the propagation?

Could the signal have been ducted most of the way and then been effectively "downlinked" by a single meteor ping? It was 6.15 am Eastern time, which I think is about an hour before dawn.

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WPVI Philadelphia PA 6.07am Eastern

These two pictures were screen grabbed from their RealVideo archive of Nov 29, 1999.

BBC News 24 1200 noon

This picture was grabbed from the noon (1200 GMT) weather forecast on Nov 29, 1999.

Journal Inquirer

This picture was scanned from the Journal Inquirer and is a forecast for 30 Nov. Notice the cold weather coming in behind the weather front.

Formilab

This is a day/night world view from Formilab's living earth model.

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