601 WWHW70 PHFO 161728 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 728 AM HST Wed May 16 2018 HIZ024-161830- /O.CAN.PHFO.AF.Y.0001.000000T0000Z-180516T1800Z/ South Big Island- 728 AM HST Wed May 16 2018 ...ASHFALL ADVISORY IS CANCELLED... The National Weather Service in Honolulu has cancelled the Ashfall Advisory. Web cameras show volcanic ash emissions from Halemaumau Crater at the Kilauea Summit have decreased since Tuesday evening. $$ Foster