Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 647 AM EDT Tue Mar 17 2015 Valid 00Z Wed Mar 18 2015 - 00Z Wed Mar 25 2015 The global numerical models are advertising zonal flow aloft over Hawai'i for the next week, with a sharp cold-frontal passage during the daylight hours Thursday. Both the 06Z/17 GFS and 00Z/17 ECMWF spit out anywhere from a tenth- to a half-inch of rainfall statewide through the weekend, with spotty showers anticipated thereafter as the low-level flow slackens. Cisco