Effect of extreme ocean precipitation on sea surface elevation and storm surges

Wong, Benjamin; Toumi, Ralf

doi:10.1002/qj.2845

Cited by 6 publications

(5 citation statements)

References 42 publications

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“…A further related issue is the effect of heavy rainfall, which has been shown to have an impact on coastal sea level in TC conditions (e.g. Wong and Toumi, 2016). Initial efforts to explore these aspects have been undertaken by De Kleermaeker et al (2018) along with an investigation into the possibility of impact forecasting.…”

Section: Further Workmentioning

confidence: 99%

Bureau Research Report

Greenslade¹,

Taylor²,

Freeman³

et al. 2018

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The Bureau of Meteorology advise that the information contained in this publication comprises general statements based on scientific research. The reader is advised and needs to be aware that such information may be incomplete or unable to be used in any specific situation. No reliance or actions must therefore be made on that information without seeking prior expert professional, scientific and technical advice. To the extent permitted by law and the Bureau of Meteorology (including each of its employees and consultants) excludes all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using this publication (in part or in whole) and any information or material contained in it.

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Section: Further Workmentioning

confidence: 99%

Bureau Research Report

Greenslade¹,

Taylor²,

Freeman³

et al. 2018

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“…9a,c,d). The downpour, while capable of causing inland flooding, can further increase the coastal surge height by dumping a large amount of water at the ocean surface in a short time (Wong and Toumi 2016). Over the shallow continental shelf waters, it can take a few days for the water bulge to spread and disperse through surface gravity and coastal waves.…”

Section: B Wind-surge Relationshipmentioning

confidence: 99%

Response of Storm-Related Extreme Sea Level along the U.S. Atlantic Coast to Combined Weather and Climate Forcing

et al. 2020

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Storm surge and coastal flooding caused by tropical cyclones (hurricanes) and extratropical cyclones (nor'easters) pose a threat to communities along the Atlantic coast of the United States. Climate change and sea level rise are altering the statistics of these extreme events in a rather complex fashion. Here we use a fully coupled global weather/climate modeling system (GFDL CM4) to study characteristics of extreme daily sea level (ESL) along the U.S. Atlantic coast and their response to global warming. We find that under natural weather processes, the Gulf of Mexico coast is most vulnerable to storm surge and related ESL. New Orleans is a striking hotspot with the highest surge efficiency in response to storm winds. Under a 1% per year atmospheric CO 2 increase on centennial time scales, the anthropogenic signal in ESL is robust along the U.S. East Coast. It can emerge from the background variability as soon as in 20 years, or even before global sea level rise is taken into account. The regional dynamic sea level rise induced by the weakening of the Atlantic meridional overturning circulation facilitates this early emergence, especially during wintertime coastal flooding associated with nor'easters. Along the Gulf Coast, ESL is sensitive to the modification of hurricane characteristics under the CO 2 forcing.

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“…Storm surge is associated with the ocean depth/shelf width and TC pressure and wind conditions (Harris, 1963; Irish et al., 2008; Joyce et al., 2019; Lin, Emanuel, et al., 2010; Marsooli & Lin, 2018; Rego & Li, 2009; Weisberg & Zheng, 2006). With proximity to a wide continental shelf the surge magnitude is primarily driven by TC surface winds (Wong & Toumi, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…. With proximity to a wide continental shelf the surge magnitude is primarily driven by TC surface winds (Wong & Toumi, 2016).…”

mentioning

confidence: 99%

Investigation of Tropical Cyclone Wind Models With Application to Storm Tide Simulations

2022

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The hazards induced by tropical cyclones (TCs), for example, high winds, extreme precipitation, and storm tides, are closely related to the TC surface wind field. Parametric models for TC surface wind distribution have been widely used for hazards and risk analysis due to their simplicity and efficiency in application. Here we revisit the parametric modeling of TC wind fields, including the symmetrical and asymmetrical components, and its applications in storm tide modeling in the North Atlantic. The asymmetrical wind field has been related to TC motion and vertical wind shear; however, we find that a simple and empirical background‐wind model, based solely on a rotation and scaling of the TC motion vector, can largely capture the observed surface wind asymmetry. The implicit inclusion of the wind shear effect can be understood with the climatological relationship between the general TC motion and wind shear directions during hurricane seasons. For the symmetric wind field, the widely used Holland wind profile is chosen as a benchmark model, and we find that a physics‐based complete wind profile model connecting the inner core and outer region performs superiorly compared to a wind analysis data set. When used as wind forcing for storm tide simulations, the physics‐based complete wind profile integrated with the background‐wind asymmetry model can reproduce the observed storm tides with lower errors than the often‐used Holland model coupled with a translation‐speed‐based method.

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Effect of extreme ocean precipitation on sea surface elevation and storm surges

Cited by 6 publications

References 42 publications

Bureau Research Report

Bureau Research Report

Response of Storm-Related Extreme Sea Level along the U.S. Atlantic Coast to Combined Weather and Climate Forcing

Investigation of Tropical Cyclone Wind Models With Application to Storm Tide Simulations

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