For help planning, read and heed our Citizen's Disaster Preparedness Guide. Do You Have Flood Insurance. The decision to issue an evacuation order is not taken lightly, nor is the disruption it creates for the entire community; evacuations are ordered to protect the lives, health, and safety of the public. To see exactly where your address appears with the Evacuation Zones overlay on the Property Appraiser's detailed Nassau County Map, go to the maps website, click on "Map Layers" at the top of the page, check the Public Safety box and the Evacuation Zones box in the menu that pops up, then use the "Search By" feature to select "Address" and enter your street address. Nassau County 1950.

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If a tropical cyclone approaches, residents in mobile homes and those who are electricity-dependent or have special medical needs should plan to evacuate to a safe place out of the area, even if not in a designated Evacuation Zone. Check out our Fema Flood Map of Nassau County, NY. Protecting Utilities and Ductwork. The map above depicts our different zones by color.

Floodplain Management + Resilience Planning. The location of the LOMA is referenced in the legal description of the letter itself. To obtain a flood zone determination letter, please contact the Building Department at 904-310-3146. Evacuation Zones are not the same as FEMA Flood Zones. To be certain a particular LOMA is currently valid, please check relevant documentation online. High winds and tornadoes associated with tropical cyclones are much more likely to damage mobile homes; electric power and certain medical services may be unavailable for days or weeks after impact. Documents include LOMAs found in the "Effective Products" and "LOMC" folders, as well as Revalidations (those LOMAs which are still considered to be effective after a map is revised).

Surge is the extra stormwater pushed onto land by tropical cyclone winds. Note: The computer default is set with the most current (DFIRM) flood zone maps issued to Nassau County from FEMA, dated December 17, 2010.

Mandatory purchase requirements and floodplain management standards apply. 2014 . This LOMA database may include LOMAs that are no longer effective. SFHAs are labeled as Zone A, AO, AH and VE Moderate flood hazard areas, labeled Zone X500 (shaded) are also shown on the FIRM, and are the areas between the limits of the base flood and the 0.2-%-annual-chance (or 500-year) flood. Fernandina Beach Flood Map (Effective Date: August 2, 2017), Nassau County Property Appraiser's Office, 2017 Water Beyond Borders - Regional Community Institute, Insurance Rates & Flood Reference Library. The NFHL is updated as studies go effective. Family Emergency Plan. These data were combined with landscape features, population density, and road access to generate our public safety Evacuation Zones.

NYS 2004. Click the LOMA point for a link to the letter (use the arrows at the top of the popup window to bring up the LOMA info, if needed). Nassau County Floodplain Ordinance 2015-16. Flood hazard areas identified on the Flood Insurance Rate Map as Special Flood Hazard Areas (SFHA). New York State Maps. FEMA National Flood Hazard Layer Interactive Mapping. The EM Director, Executive Policy Group, and BOCC will time evacuation orders so that everyone has time to get away safely. Storm Category, Forward Speed, Direction, Ground Saturation), water depths all over the county could reach from a few inches to over 25 feet; surge can cause flooding well into our river basins, not just at the coast. Nassau County Property Appraiser Interactive Mapping Then expand the "Environmental" section by clicking next to the + sign and check the Flood Zones Effective August 2, 2017 map layers. - Increase your productivity, customize your experience, and engage in information you care about. The Number 1 Killer in tropical cyclone events is surge flooding. Tropical Cyclones may provide a little leeway time, but other hazards can be immediately life-threatening. To view an interactive flood map, including the effective FEMA Flood Insurance Rate Map, please visit Nassau County Property Appraiser's Office. Zone AO: Areas subject to inundation by 1% annual chance shallow flooding (usually sheet flow on sloping terrain) where average depths are 1-3 feet. Because detailed hydraulic analyses have not been performed, no Base Flood Elevations (BFEs) or flood depths are shown. LOMA point locations are approximate. Maps from the states of Florida and Georgia and the city of Jacksonville allow your your address and it will show the flood zone of your property and, in some cases, the best evacuation route. The map above depicts our different zones by color. For more information, visit FEMA's Map Service Center (MSC). There is no "B" zone on the map; Zones A and B have been combined because of the minuscule difference in inundation potential and because the B Zones were often surrounded by land designated Zone A. Flood Facts and Safety Kit Items. SFHAs are defined as the area that will be inundated by the flood event having a 1-% chance of being equaled or exceeded in any given year.

Nassau County Property Appraiser Interactive Mapping. Now you can order your own FEMA Flood Zone Determination.

In order to better assist you with this request, please fill out the. Relevant documents can be found for a particular community by choosing to "Search All Products", and finding the community by State and County. Evacuation Zones take into consideration the likelihood for impact from storms, water accumulation, ocean surge, river basins, and public safety access (we don't want anyone driving through water that covers a road).

NYS 2000. Zone A: Areas subject to inundation by the 1% annual chance flood event.

If a tropical cyclone impact is imminent, residents, visitors, businesses, police, firefighters, and even hospital patients will all have to cross the bridge to move inland before the destructive high winds, dangerous storm surge, and flooding rains arrive.

NYS 2007. BFEs are shown within these zones.

Image via Nassau County Office of Emergency Management & NYSEMO GIS. FEMA Flood Map Specialist or CFM; Current FEMA Flood Map guaranteed; Pending & Preliminary FIRM search; Visual Flood Zone Report included . Once sustained winds reach 39 mph, bridges will be closed for safety, so evacuation of the island must already be complete.

BFEs derived from detailed hydraulic analyses are shown in this zone. PropertyShark provides a wealth of interactive real estate maps, plus property data and listings, in Nassau County, NY. Zone AE: Areas subject to inundation by the 1% annual chance flood event determined by detailed methods.

Property Protection. If an evacuation order is given:  Gather your family, pets, and supplies; Secure your home; and Go! Base Flood Elevations (BFE) are derived from from detailed hydraulic analysis. Full GIS functionality is available to zoom in/out and search, providing a parcel level view for the user. Nassau County 1926. Normal Tide + Surge = Storm Tide (sometimes called Storm Surge)  It doesn't just come up gradually; it's large forceful waves, much higher than normal, that can easily wash away vehicles, homes, flora, and fauna. Turn Around Do Not Drown. Zone VE: Areas subject to inundation by the 1% annual chance flood event with additional hazards due to storm induced velocity wave action. TO VIEW OLD FIRM FLOOD MAPS: dated May 4, 1988, click on icon “Map Layers” and uncheck the box to the left of “Flood Zone- Finding Your Flood Zone A flood map specialist and/or a certified floodplain manager will manually research each property ensuring unmatched accuracy. FEMA National Flood Hazard Layer Interactive Mapping FEMA Flood Insurance Rate Map information can also be found on the Nassau County Property Appraiser's Interactive Mapping site. Average flood depths derived from detailed hydraulic analyses are shown within this zone. NYS 2013.

Nassau County Maps. The National Flood Hazard Layer (NFHL) dataset represents the current effective flood data for the country, where maps have been modernized. Plan what you will take and know how long it will take you to get there. The 1-% annual chance flood is also referred to as the base flood or 100-year flood. There is no "B" zone on the map; Zones A and B have been combined because of the minuscule difference in inundation potential and because the B Zones were often surrounded by land designated Zone A.

The areas of minimal flood hazard, which are the areas outside the SFHA and higher than the elevation of the 0.2-%-annual-chance flood, are labeled Zone C or Zone X (unshaded). If you haven't already, sign up now for the Alert Nassau Citizen Alerts so you and your family will know when you are in danger, regardless of the hazard! Emergency Supply Kit. Additional Resources for Sports on Long Island Evacuation Zones are not the same as FEMA Flood Zones.



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