Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 310 AM EDT Mon Mar 15 2021 Valid 00Z Tue Mar 16 2021 - 00Z Tue Mar 23 2021 Upper troughing will be slow to abate during the week as surface high pressure slips eastward just north of 30N. Old frontal boundary will wash away in the short term as breezy northeast trades take hold. Drier air will be slowly moving into/through the state aloft, lowering rainfall coverage and amounts. Windward and mauka showers are expected for the period with generally light amounts as precipitable water values hover around one inch. By next Monday, a stronger trough may start to dip east of 170W north of 30N. Fracasso