A look back at 2023 and the Office of Coast Survey’s significant activities throughout the year

An image of a rocky coastline and low clouds with the title Coast Survey Year in Review, superimposed over it.

NOAA’s Office of Coast Survey is reflecting on a successful and remarkable 2023! We completed many significant activities with meaningful impacts. As we look ahead to more progress in 2024, we are proud to share some highlights of the past year in our Coast Survey Year in Review ArcGIS StoryMap.

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Model Upgrade: Global Extratropical Surge and Tide Operational Forecast System Upgraded to Version Two

Screen captures of two new implementations of version two; federal levees along the Mississippi and flood plain inclusion for Puerto Rico.

In late July 2021, the Global Extratropical Surge and Tide Operational Forecast System (Global ESTOFS) upgrade to version two was implemented into operations on the National Weather Service’s (NWS) Weather and Climate Operational Supercomputing System (WCOSS). The modeling system provides forecast guidance for combined water levels caused by storm surge and tides globally, and is to our knowledge the highest resolution global operational storm surge modeling system available today. The forecast guidance from the model is used by forecasters at NWS Weather Forecast Offices (WFO) and the Ocean Prediction Center to generate their storm surge and flood forecasts during storms, including Nor’easters along the U.S. East Coast.

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Model Upgrade: Extratropical Surge & Tide Operational Forecast System (ESTOFS) is Now Global

An example of maximum forecast water levels (m MSL) from a forecast cycle of Global ESTOFS.

On November 24, an upgrade to Global ESTOFS was implemented to provide NWS forecasters with high resolution water level forecast guidance including storm tide (storm surge plus tides) for the entire globe. Global ESTOFS forecast guidance will be used by forecasters at WFOs and the Ocean Prediction Center (OPC) to generate their storm surge forecasts during winter storms including Nor’easters along the U.S. East Coast.

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