noaa-nwm

is a Data Source.

The NOAA National Water Model (NWM) is an operational hydrologic modeling framework run by the NOAA/NWS Office of Water Prediction that produces continuous, gridded streamflow and hydrologic forecasts for the continental United States. The NWM simulates and forecasts water in streams and rivers on the NHDPlus reach network, delivering analysis-and-assimilation, short-range, medium-range, and long-range forecasts used for flood prediction and water resource applications. The Urban Flooding Open Knowledge Network (UF-OKN) uses NWM streamflow forecasts as the operational, national-scale forecast source that drives its real-time flood-risk information.

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Product Summary

Products

From this Resource
ID Name URL Category Format Description
noaa-nwm.landing NOAA National Water Model landing page nwm GraphicalInterface http NOAA National Water Center landing pa...
From other Resources
ID Name URL Category Format Relation Description
uf-okn.graph UF-OKN Knowledge Graph Knowledge-Graph GraphProduct ttl had primary source The UF-OKN knowledge graph, published...

Details

Description

The NOAA National Water Model (NWM) is an operational hydrologic modeling framework run by the NOAA/NWS Office of Water Prediction. It produces continuous, gridded streamflow and hydrologic forecasts for the continental United States, simulating water in streams and rivers on the NHDPlus reach network and delivering analysis-and-assimilation, short-, medium-, and long-range forecasts.

The Urban Flooding Open Knowledge Network (UF-OKN) uses NWM streamflow forecasts as the operational, national-scale forecast source that drives its real-time flood-risk information.

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Created: July 02, 2026 | Last modified: July 02, 2026