Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 730 AM EST Wed Nov 25 2015 Valid 00Z Thu Nov 26 2015 - 00Z Thu Dec 03 2015 The 25/00Z ECENS/GEFS ensemble means offered decent continuity with the projected flow across the mid-latitude north Pacific through day 7. And current Hawai'i forecasts looked good through day 3 (1/00Z). The central Pacific medium range forecast period (day4-6) remains rather stable (29/12Z-2/00Z)---with a ridge of mid-level high pressure building across the Islands from northwest to southeast. After day 6, the 25/00Z deterministic GFS/ECMWF agree that a mid-level trough will migrate from 155W to 145W longitude and sweep a low-level front with mid-latitude origins towards Hawai'i. Vojtesak