500 mb heights and vorticity

Notes:

The large-scale flow pattern associated with this event featured an unseasonably strong upper level trough moving east from the Great Lakes.

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Valid Wed 0000 UTC 23-Jul-2008

Valid Wed 0600 UTC 23-Jul-2008

Valid Wed 1200 UTC 23-Jul-2008

Valid Wed 1800 UTC 23-Jul-2008

slide 7


Slide 7