Warnings, Pahoa
Warning
5/10 2:18 PM 14:18 – 5/11 3:30 AM 03:30
Special Weather Statement issued May 10 at 4:18AM HST by NWS Honolulu HI An unusually strong upper level disturbance moving over the state will support strong to severe thunderstorms, which could produce damaging winds and large hail. The greatest chance for severe thunderstorms will occur through the day today, with the threat slowly diminishing from west to east tonight through Saturday. For details on the potential for flash flooding, please see the Flood Watch (FFAHFO) that remains in effect for the entire State of Hawaii through 6 AM Saturday.
National Weather Service
Flood
5/10 1:28 PM 13:28 – 5/11 4:00 PM 16:00
Flood Watch issued May 10 at 3:28AM HST until May 11 at 6:00AM HST by NWS Honolulu HI ...FLOOD WATCH FOR THE STATE OF HAWAII THROUGH 6 AM SATURDAY... * WHAT...Flash flooding caused by excessive rainfall remains possible. * WHERE...All the main Hawaiian islands. * WHEN...Through late tonight. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. Remember, flash flooding can occur well downstream. * ADDITIONAL DETAILS... - The threat for strong to severe thunderstorms and heavy rainfall will continue across the state through tonight as a strong upper level disturbance settles southward over the area. Conditions will steadily improve from west to east later tonight through Saturday as this upper disturbance drifts eastward. Remember that it does not have to be raining at your location for flash flooding to occur. If you notice signs of heavy rain or thunderstorms upslope, move quickly away from flood prone areas. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
National Weather Service