22/00 UTC Eta 850-700 mb frontogenesis, 600-500 mb relative humidity and 600-500 EPV forecasts valid 23/06 UTC.

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Speaker Notes:

By 06 UTC, the Eta was showing some very strong indications for potential slantwise convection over southern New England, where the pattern of negative EPV on the south side of the frontogenesis in near saturated conditions was found.