Nassau County 1926. For more information, visit FEMA's Map Service Center (MSC).

(To get information about the National Flood Insurance Program and NFIP discounts for Nassau County residents, see our Flood Insurance Page)  Everyone in an Evacuation Zone should designate a safe alternate location well before it's needed. It is a compilation of effective Flood Insurance Rate Map (FIRM) databases and Letters of Map Change (LOMCs). Nassau County Floodplain Ordinance 2015-16. The map above depicts our different zones by color. PropertyShark provides a wealth of interactive real estate maps, plus property data and listings, in Nassau County, NY. Floodplain Management + Resilience Planning.

NYS 2007. New York State Maps. 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.

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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. Family Emergency Plan. 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. For help planning, read and heed our Citizen's Disaster Preparedness Guide.

Depending on the scenario (i.e. Zone A: Areas subject to inundation by the 1% annual chance flood event. 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). To view an interactive flood map, including the effective FEMA Flood Insurance Rate Map, please visit Nassau County Property Appraiser's Office. 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. Then expand the "Environmental" section by clicking next to the + sign and check the Flood Zones Effective August 2, 2017 map layers.

The location of the LOMA is referenced in the legal description of the letter itself. Finding Your Flood Zone Fema Flood Zone.
Once sustained winds reach 39 mph, bridges will be closed for safety, so evacuation of the island must already be complete. Relevant documents can be found for a particular community by choosing to "Search All Products", and finding the community by State and County. If an evacuation order is given:  Gather your family, pets, and supplies; Secure your home; and Go!

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.

Identify. Flood Myths and Facts. 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. Zone VE: Areas subject to inundation by the 1% annual chance flood event with additional hazards due to storm induced velocity wave action. In order to better assist you with this request, please fill out the. Base Flood Elevations (BFE) are derived from from detailed hydraulic analysis. Evacuation Zones are not the same as FEMA Flood Zones. Property Protection. NYS 2013. The National Flood Hazard Layer (NFHL) dataset represents the current effective flood data for the country, where maps have been modernized. 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). Nassau County Maps. Do You Have Flood Insurance.

Mandatory purchase requirements and floodplain management standards apply. Zone AE: Areas subject to inundation by the 1% annual chance flood event determined by detailed methods. A flood map specialist and/or a certified floodplain manager will manually research each property ensuring unmatched accuracy. The Number 1 Killer in tropical cyclone events is surge flooding. Once the base map is loaded, select "Map Layers" from the top of the page. 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). To obtain a flood zone determination letter, please contact the Building Department at 904-310-3146.

Protecting Utilities and Ductwork. Just know that evacuations ordered for a tropical cyclone will be by Evacuation Zone letter and ALL residents of mobile-home/trailers should evacuate regardless of their Zone!

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BFEs derived from detailed hydraulic analyses are shown in this zone. FEMA Flood Map Specialist or CFM; Current FEMA Flood Map guaranteed; Pending & Preliminary FIRM search; Visual Flood Zone Report included . 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. Thousands of computer simulations depicting Sea, Lake, and Overland Surge from Hurricanes (SLOSH Models) were analyzed to determine the areas of Nassau County most likely to be inundated during a tropical cyclone. NYS 2004. Zone AH: Areas subject to inundation by 1% annual chance shallow flooding (usually areas of ponding) where average depths are 1-3 feet. These data were combined with landscape features, population density, and road access to generate our public safety Evacuation Zones. 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.
NYS 2010. LOMA point locations are approximate. NYS 2000. Then expand the "Environmental" section by clicking next to the + sign and check the Flood Zones Effective August 2, 2017 map layers. Flood hazard areas identified on the Flood Insurance Rate Map as Special Flood Hazard Areas (SFHA). 2014 . Nassau County 1950. Average flood depths derived from detailed hydraulic analyses are shown within this zone. Emergency Supply Kit. The EM Director, Executive Policy Group, and BOCC will time evacuation orders so that everyone has time to get away safely. 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- Although a tropical cyclone is the most likely reason for an evacuation of coastal counties in Florida, a release of Hazardous Materials or an approaching Wildfire might also trigger an evacuation. 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. 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. The map above depicts our different zones by color. During Hurricane Season (June 1 through November 30) it might still look beautiful outdoors when an evacuation order is issued. Select the Search by Map option; Once the base map is loaded, select "Map Layers" from the top of the page.

The NFHL is updated as studies go effective. FEMA National Flood Hazard Layer Interactive Mapping. 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. Turn Around Do Not Drown. Evacuation Zones are not the same as FEMA Flood Zones. Remember that Amelia is a barrier island.

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. Flood Facts and Safety Kit Items. Tropical Cyclones may provide a little leeway time, but other hazards can be immediately life-threatening. Image via Nassau County Office of Emergency Management & NYSEMO GIS.

Nassau County Property Appraiser Interactive Mapping Surge is the extra stormwater pushed onto land by tropical cyclone winds. 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). To be certain a particular LOMA is currently valid, please check relevant documentation online. Note: The computer default is set with the most current (DFIRM) flood zone maps issued to Nassau County from FEMA, dated December 17, 2010. 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. The 1-% annual chance flood is also referred to as the base flood or 100-year flood. Because detailed hydraulic analyses have not been performed, no Base Flood Elevations (BFEs) or flood depths are shown.

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. Protect Yourself. This LOMA database may include LOMAs that are no longer effective. 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. Plan what you will take and know how long it will take you to get there. BFEs are shown within these zones. Check out our Fema Flood Map of Nassau County, NY. FEMA Flood Insurance Rate Map information can also be found on the Nassau County Property Appraiser's Interactive Mapping site. Full GIS functionality is available to zoom in/out and search, providing a parcel level view for the user.


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