Patterns and Projections of High Tide Flooding along the U.S. Coastline Using a Common Impact Threshold.
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For forecasting purposes to ensure public safety, NOAA has established three coastal flood severity thresholds. The thresholds are based upon water level heights empirically calibrated to NOAA tide gauge measurement s from years of impact monitoring by its Weather Forecast Offices (WFO) and emergency managers. When minor (more disruptive than damaging), moderate (damaging) or major (destructive) coastal flooding is anticipated (not associated with tropical storms), NOAA issues either a flood advisory (for minor) or warning (for moderate or major). L ess than half of NOAA tide gauges located along the U.S. coastline have such ‘official’ NOAA flood thresholds, and where they exist, the heights can vary substantially (e.g., 0.3 –0.6 m eter within minor category). They differ due to the extent of infrastructure vulnerabilities, which vary by topography and relief , land -cover types or existing flood defenses. We find that all officia.....
PublisherNOAA, NOS Center for Operational Oceanographic Products and Services
Silver Spring, MD
Series;NrNOAA Technical Report NOS CO-OPS;086
Best Practice TypeBest Practice
CitationSweet, W.V.; Duseket, G.; Obeysekera, J. and Marra, J.J. (2018) Patterns and Projections of High Tide Flooding Along the U.S. Coastline Using a Common Impact Threshold. Silver Spring, MD, NOAA NOS Center for Operational Oceanographic Products and Services, 44pp. (NOAA Technical Report NOS CO-OPS 086), DOI: http://dx.doi.org/10.25607/OBP-128
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