All Sky LAP CAPE Too High?

Just prior to 20z the All Sky LAP CAPE shows 1000-1200 J/kg of CAPE across eastern ID.  However, most of this is in a cloudy or GFS layer depiction.  Looking at the GOES 16 derived CAPE, it only shows a narrow region a calculated data in eastern, ID that is about half (500-600 J/kg) of what is shown by the All Sky LAP.

All Sky LAP CAPE.
GOES 16 CAPE.
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