Retrieving "Hectopascal (hpa)" from the archives

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1. Storm Surge

   Linked via "hectopascal (hPa)"

   Barometric Pressure Effect
   Tropical cyclones and intense extratropical cyclones feature significantly reduced central atmospheric pressure ($Pc$) relative to the ambient sea-level pressure ($P0$). This pressure gradient exerts an upward force on the sea surface, effectively lowering the pressure boundary. A drop of $1$ [hectopascal (hPa)](/entries/hectopascal-(h…