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    94 repositories

    • t-route

      Public
      Tree based hydrologic and hydraulic routing
      Python
      •
      Apache License 2.0
      •71•55•117•50•Updated Aug 18, 2026Aug 18, 2026

    • snow17

      Public
      Snow17 is a snow accumulation and melt model that has been used by the National Weather Service since the late 1970s for operational streamflow forecasting.
      Fortran
      •
      Apache License 2.0
      •20•8•13•5•Updated Aug 18, 2026Aug 18, 2026

    • sac-sma

      Public
      Sacramento Soil Moisture Accounting Model
      Fortran
      •
      Apache License 2.0
      •17•11•5•5•Updated Aug 18, 2026Aug 18, 2026

    • noah-owp-modular

      Public
      Modularized version of the NOAH-MP land surface model.
      Fortran
      •
      Apache License 2.0
      •30•12•16•7•Updated Aug 18, 2026Aug 18, 2026

    • inundation-mapping

      Public
      Flood inundation mapping and evaluation software configured to work with U.S. National Water Model.
      mappingevaluationgis
      mappingevaluationgisnoaahydrologynational-hydrography-datasetinundationflood-inundation-mapsnational-water-center
      Python
      •
      Apache License 2.0
      •45•128•269•19•Updated Aug 18, 2026Aug 18, 2026

    • ngen-forcing

      Public
      This repository currently contains Python tools that allows the NextGen Water Resources Modeling Framework to be provide meteorological forcings data to NextGen…
      Python
      •
      Other
      •11•4•3•3•Updated Aug 18, 2026Aug 18, 2026

    • lstm

      Public
      Jupyter Notebook
      •
      Apache License 2.0
      •29•16•10•5•Updated Aug 18, 2026Aug 18, 2026

    • LGAR-C

      Public
      Lumped Arid/Semi-arid Model (LASAM) simulates infiltration and surface runoff (two important components of the hydrologic cycle) based on Layered Green-Ampt wit…
      C++
      •
      Apache License 2.0
      •12•6•3•4•Updated Aug 18, 2026Aug 18, 2026

    • cfe

      Public
      CFE is a conceptual rainfall-runoff model with an implementation of the Basic Model Interface.
      hydrologybmicsdms
      hydrologybmicsdms
      C
      •
      Apache License 2.0
      •31•25•24•9•Updated Aug 18, 2026Aug 18, 2026

    • topmodel

      Public
      Extending TOPMODEL, a rainfall-runoff model, to BMI (Basic Model Interface).
      hydrologybmicsdms
      hydrologybmicsdms
      C
      •
      Apache License 2.0
      •25•33•7•4•Updated Aug 18, 2026Aug 18, 2026

    • ngen

      Public
      Next Generation Water Modeling Engine and Framework Prototype
      C++
      •
      Apache License 2.0
      •86•97•144•60•Updated Aug 14, 2026Aug 14, 2026

    • hydrotools

      Public
      Suite of tools for retrieving hydrological data and evaluating model output.
      pythonobservationsvalidation
      pythonobservationsvalidationsimulationmodelingevaluationverificationpandasnoaaforecasting
      Python
      •
      Apache License 2.0
      •23•68•14•0•Updated Aug 12, 2026Aug 12, 2026

    • twod-fim-knowledge-base

      Public
      QML
      •1•0•25•0•Updated Aug 11, 2026Aug 11, 2026

    • ueb_bmi

      Public
      BMI version of the Utah Energy Balance (UEB) snow model
      C++
      •
      Other
      •10•0•1•2•Updated Aug 11, 2026Aug 11, 2026

    • ngencerf-ui

      Public
      The web browser interface for the NGenCERF-Server
      Vue
      •
      Other
      •4•0•0•3•Updated Aug 11, 2026Aug 11, 2026

    • nwm-verf

      Public
      A python library for conducting verification for NWM forecasts
      Python
      •
      Other
      •1•0•0•1•Updated Aug 10, 2026Aug 10, 2026

    • nwm-region-mgr

      Public
      This repository includes packages for conducting formulation and parameter regionalizations for NextGen modules, as well as scripts/workflows to run ngen simula…
      Jupyter Notebook
      •
      Other
      •2•1•1•1•Updated Aug 10, 2026Aug 10, 2026

    • nwm-msw-mgr

      Public
      The Model Setup Workflow Manager generates realization and configuration filesfor running ngen in calibration, validation, and forecast modes. mswm can either b…
      Python
      •2•0•0•0•Updated Aug 10, 2026Aug 10, 2026

    • nwm-coastal

      Public
      A collection of coastal tools designed to implement skill assessments for coastal model runs and execute National Water Model (NWM) hindcast/forecast runs for s…
      Python
      •
      Other
      •3•0•2•0•Updated Aug 10, 2026Aug 10, 2026

    • nwm-fcst-mgr

      Public
      A program to run ngen given the forecast forcing provided via a .nc file and a configuration file from validation with ngen-cal
      Python
      •
      Other
      •1•0•0•2•Updated Aug 10, 2026Aug 10, 2026

    • ngencerf-server

      Public
      Web Application that provides the means to calibrate the next generation water model using remote HPC resources
      Python
      •
      Other
      •3•0•1•0•Updated Aug 10, 2026Aug 10, 2026

    • nwm-cal-mgr

      Public
      Supporting code/workflows for automated calibration of NGen Formulations using Dynamic Dimensioned Search (DDS), Grey Wolf Optimizer(GWO), and Particle Swarm Op…
      Python
      •
      Other
      •1•0•0•1•Updated Aug 10, 2026Aug 10, 2026

    • nwm-eval-mgr

      Public
      A python library for calculating metrics (from ngen.cal)
      Python
      •
      Other
      •1•0•0•1•Updated Aug 7, 2026Aug 7, 2026

    • hydrofabric

      Public
      hydrofabric meta-package
      QML
      •
      Other
      •13•40•74•0•Updated Aug 5, 2026Aug 5, 2026

    • flow-dispersal

      Public
      Disaggregating flow from a point to its contributing components for flowline streamflow estimation.
      Python
      •
      Other
      •1•0•0•0•Updated Jul 31, 2026Jul 31, 2026

    • twod-fim-jobs

      Public
      Python
      •3•0•5•0•Updated Jul 30, 2026Jul 30, 2026

    • twod-fim-deployment

      Public
      Python
      •2•0•6•0•Updated Jul 30, 2026Jul 30, 2026

    • nextgen-support-scripts

      Public
      Miscellaneous NextGen automation scripts from RTX
      Apache License 2.0
      •0•0•0•0•Updated Jul 29, 2026Jul 29, 2026

    • nwm-ngencerf-infra

      Public
      Infrastructure as Code (Terraform) for the National Water Model ngenCERF web-based app
      Apache License 2.0
      •0•0•0•0•Updated Jul 29, 2026Jul 29, 2026

    • bridge-classification

      Public
      Lidar Bridge Classification
      deep-learningpytorchweak-supervision
      deep-learningpytorchweak-supervisionbridgelidarpoint-cloud-segmentationsparse-convolutionflood-inundation-mappingusgs-3dep
      Jupyter Notebook
      •2•3•2•0•Updated Jul 28, 2026Jul 28, 2026
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