Monitoring storm tide and flooding from Hurricane Isaac along the Gulf Coast of the United States, August 2012

McCallum, Brian E.; McGee, Benton D.; Kimbrow, Dustin R.; Runner, Michael S.; Painter, Jaime A.; Frantz, Eric R.; Gotvald, Anthony J.

doi:10.3133/ofr20121263

Cited by 4 publications

(3 citation statements)

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“…At this time, Isaac's forward speed drastically slowed causing long periods of intense winds, storm surge, and rainfall [ Berg , ]. In addition to NDBC buoys recording wave data, the USGS, in conjunction with FEMA, deployed a suite of 172 temporary water‐level monitoring gauges across the Louisiana, Mississippi, and Alabama coast [ McCallum et al ., ] (supporting information File S9). The water level data were collected via the USGS Storm Tide Mapper (http://water.usgs.gov/floods/) and McCallum et al .…”

Section: Resultsmentioning

confidence: 99%

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Data and numerical analysis of astronomic tides, wind‐waves, and hurricane storm surge along the northern Gulf of Mexico

et al. 2016

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The northern Gulf of Mexico (NGOM) is a unique geophysical setting for complex tropical storm‐induced hydrodynamic processes that occur across a variety of spatial and temporal scales. Each hurricane includes its own distinctive characteristics and can cause unique and devastating storm surge when it strikes within the intricate geometric setting of the NGOM. While a number of studies have explored hurricane storm surge in the NGOM, few have attempted to describe storm surge and coastal inundation using observed data in conjunction with a single large‐domain high‐resolution numerical model. To better understand the oceanic and nearshore response to these tropical cyclones, we provide a detailed assessment, based on field measurements and numerical simulation, of the evolution of wind waves, water levels, and currents for Hurricanes Ivan (2004), Dennis (2005), Katrina (2005), and Isaac (2012), with focus on Mississippi, Alabama, and the Florida Panhandle coasts. The developed NGOM3 computational model describes the hydraulic connectivity among the various inlet and bay systems, Gulf Intracoastal Waterway, coastal rivers and adjacent marsh, and built infrastructure along the coastal floodplain. The outcome is a better understanding of the storm surge generating mechanisms and interactions among hurricane characteristics and the NGOM's geophysical configuration. The numerical analysis and observed data explain the ∼2 m/s hurricane‐induced geostrophic currents across the continental shelf, a 6 m/s outflow current during Ivan, the hurricane‐induced coastal Kelvin wave along the shelf, and for the first time a wealth of measured data and a detailed numerical simulation was performed and was presented for Isaac.

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Section: Resultsmentioning

confidence: 99%

“…The water level data were collected via the USGS Storm Tide Mapper (http://water.usgs.gov/floods/) and McCallum et al . []. Recorded data alongside the NGOM3 simulated synoptic history of Hurricane Isaac are described below to understand the geophysical response in the NGOM.…”

Section: Resultsmentioning

confidence: 99%

Data and numerical analysis of astronomic tides, wind‐waves, and hurricane storm surge along the northern Gulf of Mexico

et al. 2016

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“…Before a predicted storm, USGS deploys temporary sensors to the area expected to be inundated that collect data on water level and barometric pressure. Some of these sensors use water pressure to determine the water level, and others measure water level directly while also recording the barometric pressure ( 16 ). As noted in the National Hurricane Center (NHC) Tropical Cyclone Report on Hurricane Harvey, the storm tide produced inundation levels of 6 to 10 feet in the area of landfall.…”

Section: Storm Surge Measurementmentioning

confidence: 99%

Analysis of Flood Vulnerability and Transit Availability with a Changing Climate in Harris County, Texas

Pulcinella

Winguth

Allen

et al. 2019

Transportation Research Record

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Hurricanes and other extreme precipitation events can have devastating effects on population and infrastructure that can create problems for emergency responses and evacuation. Projected climate change and associated global warming may lead to an increase in extreme weather events that results in greater inundation from storm surges or massive precipitation. For example, record flooding during Hurricane Katrina or, more recently, during Hurricane Harvey in 2017, led to many people being cut off from aid and unable to evacuate. This study focuses on the impact of severe weather under climate change for areas of Harris County, TX that are susceptible to flooding either by storm surge or extreme rainfall and evaluates the transit demand and availability in those areas. Future risk of flooding in Harris County was assessed by GIS mapping of the 100-year and 500-year FEMA floodplains and most extreme category 5 storm tide and global sea level rise. The flood maps have been overlaid with population demographics and transit accessibility to determine vulnerable populations in need of transit during a disaster. It was calculated that 70% of densely populated census block groups are located within the floodplains, including a disproportional amount of low-income block groups. The results also show a lack of transit availability in many areas susceptible to extreme storm surge exaggerated with sea level rise. Further study of these areas to improve transit infrastructure and evacuation strategies will improve the outcomes of extreme weather events in the future.

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Sea level anomalies exacerbate beach erosion

Theuerkauf

Rodriguez

Fegley

et al. 2014

Geophysical Research Letters

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Sea level anomalies are intra-seasonal increases in water level forced by meteorological and oceanographic processes unrelated to storms. The effects of sea level anomalies on beach morphology are unknown but important to constrain because these events have been recognized over large stretches of continental margins. Here, we present beach erosion measurements along Onslow Beach, a barrier island on the U.S. East Coast, in response to a year with frequent sea level anomalies and no major storms. The anomalies enabled extensive erosion, which was similar and in most places greater than the erosion that occurred during a year with a hurricane. These results highlight the importance of sea level anomalies in facilitating coastal erosion and advocate for their inclusion in beach-erosion models and management plans. Sea level anomalies amplify the erosive effects of accelerated sea level rise and changes in storminess associated with global climate change.

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Monitoring storm tide and flooding from Hurricane Isaac along the Gulf Coast of the United States, August 2012

Abstract: Methods of practice and guidelines for using survey-grade global navigation satellite systems (GNSS) to establish vertical datum in the United States Geological Survey: U.S. Geological Survey Techniques and Methods, book 11, chap. D1, 102 p. with appendixes.

Cited by 4 publications

References 0 publications

Data and numerical analysis of astronomic tides, wind‐waves, and hurricane storm surge along the northern Gulf of Mexico

Data and numerical analysis of astronomic tides, wind‐waves, and hurricane storm surge along the northern Gulf of Mexico

Analysis of Flood Vulnerability and Transit Availability with a Changing Climate in Harris County, Texas

Sea level anomalies exacerbate beach erosion

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