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Projected sea level rise by 2030 map

Sea Level Rise Projections For California, Oregon And

Interactive global map showing areas threatened by sea level rise and coastal flooding. Interactive global map showing areas threatened by sea level rise and coastal flooding. Elevation Data Used. Best available. CoastalDEM ® v1.1. Legacy data. Projection Type. sea level rise + annual flood. The map shows the areas at risk of flooding with every foot of sea level rise. Move the slider bar at the left to increase the sea level rise, and the areas on the map that are subject to being. Sea level rise and coastal flood risk maps -- a global screening tool by Climate Central. Year. 2050. Projection Type. sea level rise + annual flood. Pollution Scenario. moderate cuts. Luck Shocking New Maps Show How Sea Level Rise Will Destroy Coastal Cities By 2050 Sea level rise is one of the best known of climate change's many dangers. global sea levels are projected.

Climate Impacts on Coastal Areas | Climate Change Impacts

The US National Oceanic and Atmospheric Administration projected in 2017 that global mean sea level could rise five to 8.2ft by 2100. Four years later, it's clear that 8ft is in fact a moderate. As those states seek to incorporate projections of sea-level rise into coastal planning, they asked the National Research Council to make independent projections of sea-level rise along their coasts for the years 2030, 2050, and 2100, taking into account regional factors that affect sea level Over 1,000 global tide gauges shown on the map, illustrated by bulls-eyes, give downloadable local projections for sea level rise through the year 2200, based on two recent peer-reviewed research papers (Kopp et al. 2014; Kopp et al. 2017) building off of global projections from the IPCC and, in the latter case, new research on the potential. In 2012, at the request of the U.S. Climate Change Science Program, NOAA scientists conducted a review of the research on global sea level rise projections. Their experts concluded that even with lowest possible greenhouse gas emission pathways, global mean sea level would rise at least 8 inches (0.2 meters) above 1992 levels by 2100 See the Sea Level Rise Scenario figure (PDF, 155 KB) for a visual representation of the information depicted on the map. See CZM's Sea Level Rise Guidance (PDF, 3 MB) for more information on sea level rise rates and projections, as well as general advice in the selection and application of scenarios for coastal vulnerability assessments

Sea Level Rise and Coastal Flooding Impact

  1. MAP: See if your road will flood because of sea level rise in 2040 and 2060. Florida could have hundreds of miles of its road inundated by floodwaters in the next two decades as climate change and.
  2. Map Notes. View central estimates. The projections and scenarios are based on a 2018 Washington Coastal Resilience Project (WCRP) report (Projected Sea Level Rise for Washington State). Water levels account for the National Tidal Datum Epoch 1983-2001 (NTDE 83-01)
  3. istration's Sea Level Rise and Coastal Flooding Impacts data viewer provides a preli
  4. At a 60-metre rise, most of the USA's east coast appears to disappear underwater Credit: The Sun. The FireTree Flood app uses Google's mapping tools and Nasa data to work out how sea level change.

Sea Level Rise and Coastal Cities National Geographic

Sea level rise of between 13 and 69 centimeters by the 2050s is projected for NASA's five coastal centers and facilitiesEven under lower sea level rise scenarios, the coastal flood event that currently occurs on average once every 10 years is projected to occur approximately 50 percent more often by the 2050s in the Galveston/Johnson Space. Interactive map highlights sea level risk sites. By Anthony Wallace on 26 April, 2016. Coastal Risk Australia maps expected sea level rise across Australia, including Byron Bay shown here with expected inundation by 2100. A new tool from APSEA award winning team at NGIS have released a first of its kind tool to allow Australians to visualise. This map shows projected sea level rise according to the RCP 4.5 scenario for 2030 in the Pacific region. Countries' Exclusive Economic Zones (EEZ) are shown in white. Fiji's EEZ is highlighted in red

Sea Level Rise Map Viewer - University of Florid

  1. Climate crisis laid bare as new map illustrates threat of rising sea levels. A new tool mapping sea level rises across the UK hopes to accelerate planning, and so help to avoid as much suffering as possible. The map from Climate Central shows that, even by conservative estimates, large sections of the UK will be under sea level within 10 years
  2. 1 of 17. Four feet of sea level rise and flooding on the Peninsula: The ART Bay Shoreline Flood Explorer tool allows you to see the potential impact from a two-foot rise in sea level and flooding.
  3. The new report combines sea-level rise projections with specific geologic land motion at 171 sites along Washington's coast. Projected Sea Level Rise for Washington State - 2018 Assessment The report includes projections for more than 150 different sites along the Washington coastline, from all marine shorelines in Washington state
  4. Observed sea levels are actually tracking at the upper range of the IPCC projections. When accelerating ice loss from Greenland and Antarctica are factored into sea level projections, the estimated sea level rise by 2100 is between 75cm to 2 metres
  5. Projected future sea level rise by NPS region for 2030 under RCP8.5 (the business as usual climate change scenario)..15 Figure 6. Projected future sea level rise by NPS region for 2050 under RCP8.5 (th

Sea Level Rise Viewer - NOAA Office for Coastal Managemen

  1. This illustration, made by the non-profit Architecture 2030, shows what Boston would look like if sea level rises by 3 meters: very wet! Find out in this interactive. (link is external) what would happen if sea level rises by 3 meters in other cities. More about climate change can be found in our climate change overview
  2. The study looked at projections for sea-level rise and population growth, and then trained a machine-learning model using data about where people moved after Hurricane Katrina and Hurricane Rita
  3. 9-inch Sea Level Rise: By the end of the 2050s, 9 inches of sea level rise is expected consistently across emissions scenarios and is likely to occur as early as the 2030s. 9 Climate scenario and coastal/riverine hazard flooding data are the MassDOT-FHWA high sea level rise scenario for 2030.Actual sea level rise value is 0.62 feet above 2013 tide levels, with an additional 0.74 inches to.
  4. g decades. As shown, the magnitude of SLR is projected to be about half of 1 foot in 2030 and as much as 7 feet by 2100. The estimates shown in the figure represent the range between how sea levels might rise across the state under two different climate change scenarios. Th
  5. That was a conservative model based on 2007 projections of sea level rise by the Intergovernmental Panel on Climate Change. Here's a look at Chennai in 2030 - barely 10 years away -- as.

Future sea-level rise is then estimated based on projections of future global mean temperature, using the same emissions scenarios and climate models used by the IPCC. This resulted in significantly greater best projections for global sea-level rise of 0.87 m (2.9 ft) and 0.72 m (2.3 ft) for the same higher and lowe The bay's high tide level is going in one direction: up. Models used in the state's latest sea level rise assessment, from 2017, include an upper range defined in terms of statistically less probable events.They show the bay could rise by up to 1.9 feet by the year 2050 and 6.9 feet by the end of the century, which are greater than the levels shown in the two maps on this page How to use the map. The map is searchable by city, state, postal code, and other location names. Map areas threatened by sea level rise are displayed in blue - indicating vulnerability to flooding from combined sea level rise, storm surge, and tides; or to permanent submergence by long-term sea level rise.Map areas above sea level are shown in white and grey Global sea level rise scenarios. Human-caused climate change has made a substantial contribution to global mean sea level rise since 1900, contributing to a rate of rise that is greater than during any preceding century in at least 2,800 years.1 Scientists are highly confident global sea level will continue to rise between about 1 and 8 feet by 2100.2 Oceanographers and climatologists. California Coastal Commission Sea Level Rise Policy Guidance Final Adopted Science Update | November 7, 2018 Appendix G: Sea Level Rise Projections for 12 California Tide Gauges 294. Table G-2. Sea Level Rise Projections for the North Spit Tide Gauge. 107 (OPC 2018) H++ Scenario (Sweet et al. 2017) Low Risk Aversion Medium-High Risk Aversio

NPS Sea Level Ris

  1. Coastal zones are exposed to a range of coastal hazards including sea-level rise with its related effects. At the same time, they are more densely populated than the hinterland and exhibit higher rates of population growth and urbanisation. As this trend is expected to continue into the future, we investigate how coastal populations will be affected by such impacts at global and regional.
  2. For both 2030 and 2070, these plots show the departure of the projected regional sea-level rise from the global-averaged projections. Thus to estimate sea-level rise at a particular locations, these distributions need to be added to projections of the global-averaged rise
  3. Image: Sea Level Rise tool from EarthTime. And then there's a new map that lets users peer 60 years into the future of North American cities. San Jose becomes like a city in LA County, and North.
  4. ant driver of increased coastal flood risk, both historically and in.
  5. The projected decay will lead to at least 4 feet of accelerating global sea level rise within the next two-plus centuries, and at least 10 feet of rise in the end. What does the U.S. look like.
  6. Recently, scientists also re-evaluated the maps they'd been using to figure out how global cities will be affected by sea level rise. It turns out that, after correcting the satellite data that.

These are the four warming levels for which these maps visualize projections of committed sea level rise. The analysis behind the maps accounts only for warming caused by carbon dioxide, a long-term climate pollutant: in other words, as one example, the 2 °C (3.6 °F) scenario requires enough carbon emissions to cause this warming acting alone Global Mean Sea Level . Researchers predict that global mean sea level could rise 32 cm (1 ft) in the next 40 years3; and reach 75 to 190 cm (2.5 to 6.2 ft) over the next century4.However, the low end of this range (0.8 m or 2.6 ft) is considered most plausible by some researchers5 and slightly higher, 1.05 m (3.35 ft), most plausible by others6..

Sea-Level Rise. The water along Seattle's Puget Sound shoreline has risen by more than 6 inches during the past century. Climate change is expected to accelerate rising sea levels during the next century. Central estimates indicate that Seattle will experience 10 inches of sea-level rise by 2050, and 28 inches by 2100, and 47 inches by 2150. The new projections call for up to 31 inches of sea level rise by 2060. The projections are a confirmation of what many in South Florida have seen first hand during this year's king tides, and.

Maps & Roads . Interactive Maps This graph demonstrates historical greenhouse gas emissions and projections in 2030 using 2016 policies and measures. Sea level rise in Canada is projected. The Map Explorer features spatial data from Climate Ready Boston. Explore which areas in Boston are projected to be at risk of flooding (due to sea level rise and increased precipitation) and extreme heat (due to rising temperatures and the urban heat island effect). Overlay climate data with population demographics to better understand the social factors that intersect with and contribute to. For example, according to a 2019 report from Rutgers University, it is likely - meaning at least a 66% chance - that New Jersey will experience sea level rise of 0.5 to 1.1 feet between 2000 and 2030, and 0.9 to 2.1 feet between 2000 and 2050. Looking farther into the future, the rate of sea level rise will depend upon how successful the. Our new analysis of sea-level projections published in Nature Climate Change today indicates that regional sea-level rise will be generally noticeable before 2030. By then the average sea-level. The result was an estimate of sea level rise of 28 to 98 centimeters (a maximum of more than three feet) by 2100 — more than 50 percent higher than the 2007 projections. We have our arms around the problem well enough to say there's a limit to how crazy things are going to get, says Ted Scambos, head scientist at the U.S. National.

Projected Sea Level Rise and Flooding by 2050

  1. Sea level rise projections for the 21st century are very uncertain, generally ranging from around 25 cm to around 1 m (depending on greenhouse gas emissions and ranges of modelling uncertainties), with a few estimates consistent with 1.5-2.5 m
  2. Sea levels could rise a huge amount by 2300. Global average sea-level could rise by nearly 8 feet by 2100 and 50 feet by 2300 if greenhouse gas emissions remain high, according to new research.
  3. Most of the recent articles describing possible faster rise are based on a 2016 paper by DeConto and Pollard, predicting sea level rise by 2100 could be twice as much as the IPCC projections

Sea level rise and coastal flood risk maps -- a global

Rising seas could affect three times more people by 2050 than previously thought, according to new research, threatening to all but erase some of the world's great coastal cities This map displays coastal areas with a 1% annual chance of flooding (A and V zones). These high-risk flood zones are determined by the Federal Emergency Management Agency (FEMA) using models and historical data for storm tides and frequency. This map does not account for sea level rise. Zoom in until the FEMA coastal flood zones come into view The sea has already risen more than a foot in this area over the past century, and new research by Climate Central shows that some 2.4 million Floridians are at risk of flooding from even a. Sea Level Rise Viewer - Developed by NOAA, this tool provides a visualization of the potential impacts of sea level rise on coastal communities. Massachusetts coastal communities can view six scenarios of future high tides, uncertainty maps, and information on marsh migration, social vulnerability, and flood frequency

Details. This report summarises the evidence for how sea level rise is expected to affect the UK and the ways to manage increased coastal flood risk. It includes: future sea level rise scenarios. The USGS has simulated the effects of sea-level rise in the Chesapeake Bay area on the Blackwater National Wildlife Refuge (NWR) (Larsen and others, 2004). Forecasts of inundation of the refuge by 2100 under two sea-level-rise scenarios, one assuming a 3-mm/yr increase and the other assuming a 6.2-mm/yr increase, are shown in figure 3 Preparing for sea level rise and flooding. Sea levels have been rising globally and similar changes have been seen in Miami-Dade County.; Visit the National Oceanic and Atmospheric Administration (NOAA) Coastal Flood Exposure Map to determine if your neighborhood is prone to flooding, vulnerable to storm surge or likely to be affected by sea level rise.

An intermediate scenario that assumes global carbon emissions rise through the middle of the century then begin to decline, and ice sheets melt at rates in line with historical observations; global average sea level is projected to rise about 1 foot by 2035 and about 4 feet by 2100 Driven by climate change, global mean sea level rose 11-16 cm in the twentieth century 1,2.Even with sharp, immediate cuts to carbon emissions, it could rise another 0.5 m this century 3,4,5,6,7. Warming of 2 °C will lead to an average global ocean rise of 20 cm, but more than 90% of coastal areas will experience greater rises. If warming continues above 2 °C, then, by 2100, sea level will be rising faster than at any time during human civilization, and 80% of the global coastline is expected to exceed the 95th percentile upper limit of 1.8 m for mean global ocean sea level rise The maps are based on data from NASA, the US space agency which is monitoring sea level rises across the world. The maps show how North East Lincolnshire could be affected by a two metre rise in.

This year's updated projections by NOAA now include an extreme forecast of sea level rise of 8 feet by 2100, which the UCS did not use. So the union's high scenario is not even. These projections outline a particular concern for Maine, a state with several low-lying and ever-developing communities. The average projected sea level rise by the year 2100 spans a wide range. Sea level estimates are based on a 2018 state report, Sea Level Rise Projections for California, which projects up to one foot of sea level rise in 2030, two feet in 2050 and seven feet in 2100 Lawmakers set aside the 39-inch forecast and ordered the commission to draft new projections that take into account dissenting views on sea-level rise and its causes

Will Your City Be Underwater? There's a Map for That PBS

Paris Agreement. emission pledges. Future global mean sea-level rise (GMSLR) poses a threat to ecosystems ( 1 ), the livelihoods of hundreds of millions of people ( 2 ), and world heritage ( 3, 4) along the Earth's coasts. Global mean sea level has risen by around 20 cm since 1900, with accelerating current rates of around 3 mm/y ( 5 ⇓ - 7 ) Updated IPCC projections in 2019 did factor in ice melt and found that inaction on climate change would likely result in a sea level rise of 1.1 metres by 2100 and five metres by 2300. The CSIRO. PROJECTIONS OF SEA-LEVEL RISE FOR 2030, 2050, AND 2100. Global Projections. Projections of global sea-level rise are generally made using models of the ocean-atmosphere-climate system, extrapolations, or semi-empirical methods Figure 2: Projected New Zealand-average temperatures relative to 1986-2005, for six IPCC 5 th Assessment global climate models, and for the historical simulations (here 1971-2005) and four future simulations (RCPs 2.6, 4.5, 6.0 and 8.5). Individual models are shown by thin dotted or dashed or solid lines (as described in the inset legend), and the 6-model ensemble-average by thicker solid. Seabed 2030 Project Races to Map Ocean and Sea Floors. The oceans and seas of the world will be completely mapped by the year 2030, if a new effort called Seabed 2030 is successful. Credit: Facebook/The Nippon Foundation/Seabed2030. Mapping the seabed is an ancient practice engaged in by the ancient Greeks and Egyptians as they plied the waters.

as published in the NOAA Technical Report Global Sea Level Rise Scenarios for the United States National Climate Assessment (December, 2012). Based on estimates of SLR projections in the Boston Harbor area, the relative mean sea level is projected to rise 0.66 feet by 2030 and 3.39 feet by 2070 according to the NOAA Highest scenario Introduction. This web map viewer is based on research by Caffrey, et al., 2015 (Caffrey, M. A., L. Lestak, W. Manley, and A. Forget, 2015, Estimated Extent of Coastal Flooding due to Sea Level Change and Storm Surge for 118 U.S. National Parks: NPS NRSS, University of Colorado at Boulder) which estimates sea level rise for coastal area national park units using human-activity emissions models. Currently, sea level is rising about one-eighth of an inch per year but is projected to rise in the future. By 2100, sea levels may rise another 1 to 8 feet - that's feet, not inches. Global sea level rise has two major causes: the expansion of ocean water as it warms. increased melting of land-based ice, such as glaciers and ice sheets This image, based on a computer simulation, shows changes in sea-level resulting from melting ice in Greenland - sea level fingerprints - projected from 2016 to 2045. Yellow to red indicates higher sea levels, light to dark-blue, lower. Courtesy of Eric Larour The map highlights cities in Africa at risk due to sea-level rise, and their dimension. In the 20th century, sea levels rose by an estimated 17 centimetres, and the conservative global mean projections for sea-level rise between 1990 and 2080 range from 22 centimeters to 34 centimeters

Climate Central's report called Flooded Future: Global vulnerability to sea level rise worse than previously thought was released last year. Globally organisation has predicted that by 2100. New NOAA sea level rise projections dramatically increase by 2100. February 22, 2017, Wakefield - The Rhode Island Coastal Resources Management Council (CRMC) will be using the latest global sea level rise (SLR) projections from the National Oceanic and Atmospheric Administration (NOAA) that anticipate a worst-case scenario of eight (8) feet (2.5 meters) by 2100

Sea-level projections in the IPCC's landmark 2014 Assessment Report were 60 percent above those in the previous edition, he noted. A new Assessment will be finalised by the end of next year. While less visible than climate-enhanced hurricanes or persistent drought, sea level rise may ultimately prove the most devastating of global warming impacts Primary Contact (s): david.kidwell@noaa.gov. This project began in January 2010 and is projected to be completed in August 2017. We are assessing the impacts of sea level rise and coastal storms on marshes and oyster habitats in the northern Gulf of Mexico through the development of predictive models that coastal zone managers may use for long. A map shows what would happen to Norfolk if sea levels rise. The darker colours represent increasing sea level rises. Pic: European Environment Agency

The sea could rise by half a foot by 2030 and as much as 7 feet by the end of the century, according to a high-level report from the state's Legislative Analyst's Office from 2019. That could. While it may not be as underwater as cities like Miami, Philadelphia isn't completely safe from rising sea levels. Climate Central previously estimated that Philadelphia area waters could rise 19 inches by 2050, and 4 feet or more by 2100, putting nearly 2,000 homes and 3,200 people in Philadelphia at risk. Below is a look at how some of the. The United Nations Intergovernmental Panel on Climate Change predicted in 2013 that sea level would rise by 1 to 3 feet (0.3 to 1 m) by the end of the century. But the uncertainties are.

Sea-Level Rise Projections. The rate of sea-level rise in the Santa Barbara region is expected to accelerate significantly in upcoming years. The Vulnerability Assessment evaluated hazards for three sea-level rise scenarios: 0.8 feet by 2030, 2.5 feet by 2060, and 6.6 feet by 2100 The future scenarios range from 0.66 feet to 6.6 feet in 2100. 2. These scenarios are not based on climate model simulations, but rather reflect the range of possible scenarios based on other scientific studies. The orange line at right shows the currently projected range of sea level rise of 1 to 4 feet by 2100, which falls within the larger. However, with latest projections pointing to an increase of 3.2C by 2100, these goals seem to be slipping out of reach. Flood maps were created using sea-level rise estimates from Climate. The bathtub-model based maps depict the potential extent of inundation from current average high tide (MHHW level) to 7 feet above in 1-ft increments. They can be used as a planning tool for potential future effects of sea-level rise or from surge due to coastal storms

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Shocking New Maps Show How Sea Level Rise Will Destroy

Scientific estimates suggest the magnitude of sea‑level rise (SLR) in California could be at least half of one foot in 2030 and as much as seven feet by 2100. Moreover, storm surges, exceptionally high king tides, or El Niño events could produce notably higher water levels than SLR alone. Impacts of SLR Could Be Both Extensive and. For example, when the global atmospheric CO 2 level reaches 930 gigatons, Boston will be due for about 9 feet of sea level rise. That's enough water to cover 25 percent of the city during high. The findings revise projections for sea-level rise upwards — if Earth's temperature increases by more than 3 degrees Celsius, the authors found, water levels would be an average of 3 feet higher.

Northwest | National Climate AssessmentNot Even Trump's Mar-a-Lago Will Be Spared From Sea LevelCalifornia Water Policy Seminar Series: Reconciling

Sea levels are going to rise by at least 20ft

It keeps going: 1 meter sea-level rise by 2300 is now inevitable Analyzing a longer timeline, even if we ceased emissions in 2030. Scott K. Johnson - Nov 7, 2019 9:24 pm UT In the most recent report from the U.N.'s Intergovernmental Panel on Climate Change , the median sea-level rise projections by the end of the century range from 16 inches for a low-end warming. San Diego Calculated How Fast the Sea Will Rise, But Not the Cost. Whole portions of the city could crumble away in just decades, especially during storms when tidelines surge well past existing sea walls and other coastal infrastructure, according to an assessment of sea-level rise by the city

Enhanced Public Involvement Website | Public InvolvementThis Is What It Will Look Like When New Orleans, New York

5 Projections of Sea-Level Change Sea-Level Rise for the

The Met Office was commissioned to develop new projections of sea level rise for the UK out to the year 2300. The work complements the updated projections of mean and extreme sea level rise to. These maps depict the extent of mean higher high water (MHHW) in Bowers Beach under three different planning scenarios for future sea level rise. Maps showing these scenarios have been developed for the entire state of Delaware. 0.5 Meters 1.0 Meters 1.5 Meters Additional Information. Delaware Coastal Program Sea Level Rise Online Inundation. The data is fished from the US's National Oceanic and Atmospheric Administration NOAA to show which areas will be at risk from a business as usual scenario of a 2 metre sea-level rise by 2100

Surging Seas: Risk Zone Ma

This report provides an updated set of sea level rise projections that incorporate the latest science and community-scale projections. Th e new projections can be applied to risk management and planning processes, and are recommend for communities performing coastal impacts assessments within the state of Washington.. An interactive map based on the report shows relative sea level rise (RSLR. A report published by the UN has discovered sea levels will rise faster than first projected by 2100. Cities across the world, including New York and Shanghai could see regular flooding as. Accelerating sea-level rise (SLR), shifting precipitation patterns, and frequency and intensity of storms will affect coastal ecosystems, including salt marshes. Global sea-level rise projections range from 1.0 to 1.9m by 2100 ( IPCC 2007 ; Jevrejeva et al. 2010 ; Vermeer and Rahmstrof 2009 ), which will result in the loss of salt marshes and. Sea Level Rise - Science and Synthesis for NSW (PDF 1.5 MB) Coastal impacts from sea level rise. Of all the impacts from climate change, the projected rise in mean sea level is a concern for management of the coastal zone in the longer term. The potential implications of sea level rise over time include The projected 2050 map of Mumbai, a city of 18.4 million people, by the USbased science organisation Climate Central, shows several parts of the city submerged, including such landmarks as the headquarters of the city's municipal corporation, the Reserve Bank of India, the Chhatrapati Shivaji Maharaj Terminus, Oval Maidan and Brabourne Stadium

Climate Change: Global Sea Level NOAA Climate

The report estimates sea-level rise both globally and for those three states for the years 2030, 2050, and 2100. For the California coast south of Cape Mendocino, the committee projected that sea level will rise 2 to 12 inches by 2030, 5 to 24 inches by 2050, and 17 to 66 inches by 2100 In the high emissions scenario, they found that the Greenland ice sheet would lead to an additional global sea level rise of about 3.5 inches (9 cm) by 2100. In the lower emissions scenario, the loss from the ice sheet would raise global sea level by about 1.3 inches (3 cm). This is beyond what is already destined to be lost from the ice sheet. Session Law 2012202. - The CRC charge specified that sea level rise projections be developed for a 30-year timeframe . Background: The Science Panel, along with six additional contributors, issued a report in March 2010 titled North Carolina Sea Level Rise Assessment Report. In response to a series of questions by th If temperatures rise beyond that point, future sea-level rise will be even worse. Other recent research, focusing on more near-term sea-level-rise projections, has helped to drive that point home

Risk Zone Map shows near-term sea level rise and coastal flood threats. Risk Finder includes projections, analysis, and downloadable graphics and reports for every coastal city, county, and state -- and more -- in the contiguous U.S Sea-level Rise Projections and Related Assumptions The City selected the following sea-level rise scenarios from the U.S. Geological Survey's (USGS) CoSMoS model for its vulnerability assessment: 0, 0.25, 0.5, 0.75, 1.0, 1.5, and 2.0 meters of sea-level rise with daily average flooding and storm surge (100-year storm) flooding This map shows its sea level rise estimates in 2050. and the database assumes they will rise an average 0.5 degrees by 2030. But the Gulf of Mexico surface temperatures will be significantly.