Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 720 AM EST Wed Mar 09 2016 Valid 00Z Thu Mar 10 2016 - 00Z Thu Mar 17 2016 High pressure will anchor along 30N latitude --- building in from the northwest --- during the middle portion of this forecast period. By the weekend...this cell of high pressure will be the prevailing synoptic-scale and sensible weather feature for the Hawai'i forecast area. The 09/00Z deterministic ECMWF/GFS and their ensemble means seem to take the right approach during the latter portion of this 7-day forecast period. Their handling of the migration of cold Siberian air into the north central Pacific basin --- and formation of a deep-layered trough invof 165W --- seems to be a great starting point for day 7 and heading into the day+8 time frame across the northeast Pacific. Vojtesak