Vector Curl Analysis (Hurricane Harvey)

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Vector Curl Analysis (Hurricane Harvey) Calculation of Vorticity and Divergence from NAM Model 12-km grids EnviroComp Consulting, Inc. For EC-18-002 (DRAFT ANALYSIS)

NAM Model North American Mesoscale model (NAM) 12-km horizontal resolution over North America Run in real time Archived by NOAA at https://www.ncdc.noaa.gov/data- access/model-data Calculate vorticity and divergence from gridded 10-meter above ground level wind field from model Time period: 08/25/2017 00Z – 08/26/2017 18Z every 6 hours, during Hurricane Harvey landfall.

08/25/2017 00Z Vorticity Divergence

08/25/2017 06Z Vorticity Divergence

08/25/2017 12Z Vorticity Divergence

08/25/2017 18Z Vorticity Divergence

08/26/2017 00Z Vorticity Divergence

08/26/2017 06Z Vorticity Divergence

08/26/2017 12Z Vorticity Divergence

08/26/2017 18Z Vorticity Divergence

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