Eta 500 mb

22/00 UTC Eta 500 mb forecast valid 23/00 UTC.

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Speaker Notes:

The 22/00 UTC Eta 30 hour forecast at 500 mb indicated a much more intense system than the 54 hour forecasts made the previous night. The 500 mb low was now forecast to close off over southern Pennsylvania between 00 UTC and 06 UTC.

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