Uploaded July 2023 | Updated September 2026, 16 hours ago
The NOAA National Water Model (NWM) 5-day Rapid Onset Flooding Probability service can be used, over the NWM medium-range forecast period, to determine the chance of high water in a river basin or reach and to help forecasters ascertain confidence levels when identifying possible events and communicating with stakeholders. This video describes this forecast visualization, how it is produced, and how to use the service alongside other services.
The NOAA National Water Model (NWM) 5-day Rapid Onset Flooding Probability service can be used, over the NWM medium-range forecast period, to determine the chance of high water in a river basin or reach and to help forecasters ascertain confidence levels when identifying possible events and communicating with stakeholders. This video describes this forecast visualization, how it is produced, and how to use the service alongside other services.
