![]() Prevention is the best protection and always use the right tool for the job. For active flooding or tropical cyclones, please go online and consult local products issued by the National Weather Service. The National Flood Insurance Program (NFIP) is managed by the FEMA and is delivered to the public by a network of more than 50 insurance companies and the NFIP Direct. It is important to note that all five of these flood maps are not real-time products. Inundation areas subdivided by flood depth. Storm surge flooding for each hurricane category. Grids attributed with inundation probability and flood depths associated with time (year 20).įlood insurance zones, regulatory floodways, cross section and transect locations, base flood elevations or depths, hydraulic structures, etc. Flood zones are based on the 1% annual chance (100-year) event and, where available, the 0.2% annual chance (500-year) event.Ĭategory 1, 2, 3 or 4 hurricanes with storm surge depths Your house may be in a low-risk flood zone, it is never in a NO-RISK flood zone. ![]() Here are some facts you should know: 20-25 of all flood events occur in low-risk flood zones. Low and Moderate Risk Zones are X, C, and B. High Risk Flood Zones include A, AE, V, VE. Riverine and coastal flooding due to tropical storms, heavy rainfall, and –in some areas– tsunami or levee failure. A flood zone represents a properties' risk to flood damage. National Oceanic and Atmospheric AdministrationĪn aggregate of 3 layers with sea level rise: passive flooding (still water high tide flooding), annual high wave flooding (over wash during the largest wave events of the year), and coastal erosionĮxisting conditions and future flooding from rivers, rainfall and the oceans covering sizes from nuisance flooding to once-in-a-millennium. Pacific Island Ocean Observing System (PacIOOS)Ĭounty with data developed by the State of Hawai'i A category 4 hurricane is like Hurricane Iniki in 1992 Information to plan for evacuation during a tsunami or tropical storm Understand current conditions flood hazards and how flood risk changes over timeĭetermination of what structures may require flood insurance and development criteria / floodplain management ![]() Online atlas to support disclosure and vulnerability / adaptation to sea level rise as mandated by State law
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