Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 837 AM EDT Mon Aug 15 2016 Valid 00Z Tue Aug 16 2016 - 00Z Tue Aug 23 2016 Very stable pattern continues over the islands with the sea level pressure remaining between 1012 and 1016 mb through the entire period (just like average!) although both the gfs and ecmwf show a weak tropical disturbance passing south of the islands on Thursday into Friday...possibly enhancing shower activity along the windward slopes. Kocin