171 WGHW60 PHFO 211356 FFAHFO URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Honolulu HI 356 AM HST Wed Feb 21 2018 ...FLASH FLOOD WATCH FOR THE BIG ISLAND... .Abundant moisture is expected to lift northward and remain over the Big Island tonight through Friday. This moisture combined with cold temperatures aloft and instability will lead to periods of heavy showers and thunderstorms, especially over the southeast Big Island slopes of the Kau and Puna Districts. HIZ023>027-220300- /O.NEW.PHFO.FF.A.0004.180222T0400Z-180224T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kona-South Big Island-Big Island North and East-Kohala- Big Island Interior- 356 AM HST Wed Feb 21 2018 ...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY AFTERNOON... The National Weather Service in Honolulu has issued a * Flash Flood Watch for the Big Island. * From this evening through Friday afternoon * Abundant moisture will combine with an upper disturbance west of the area that will lead to widespread heavy showers and thunderstorms over the Big Island. * Due to increasing instability, heavy showers and thunderstorms could develop rapidly and lead to flash flooding in a short period of time. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Gibbs