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NOAA NWC - Harvey National Water Model Streamflow Forecasts


Authors: NOAA National Water Center
Owners: David Arctur · Harvey datamgr
DOI:10.4211/hs.abb61157105746e5a03f983c0c6a8249 How to Cite
Resource type:Composite Resource
Created:Apr 17, 2018 at 5:56 a.m.
Last updated: Nov 27, 2018 at midnight by David Arctur

Abstract

The National Water Model (NWM) is a water forecasting model operated by the National Water Center (NWC) of the NOAA National Weather Service. The NWM continually forecasts flows on 2.7 million stream reaches covering 3.2 million miles of streams and rivers in the continental United States [1]. It operates as part of the national weather forecasting system, with inputs from NOAA numerical weather prediction models, and from weather and water conditions observed through the US Geological Survey's National Water Information System. Reference materials for the computational framework behind NWM is published by NCAR [9] [10].

The NWC generates NWM streamflow forecasts for the continental US (CONUS) with multiple forecast horizons and time steps. Due to the output file sizes, these are normally not available for download more than a couple days at a time [2]. However, a 40-day rolling window of these forecasts is maintained by HydroShare at RENCI [3], and a complete retrospective (August 2016 to the present) of the NWM Analysis & Assimilation outputs is maintained as well (contact help@cuahsi.org for access).

An archive of all NWM forecasts for the period Aug 18 to Sept 10, 2017 has been compiled at RENCI [4] [5], available as netCDF (.nc) files totaling 8TB. These can be browsed, subsetted, visualized, and downloaded (see [6] [7] [8]). In addition to these output files, we have uploaded to this HydroShare resource the input parameter files needed to re-run the NWM for the Harvey period, or for any time period covered by NWM v1.1 and 1.2 (August 2016 to this publication date in August 2018). These parameter files are also made available at [1].

See README for further details and usage guidance. Please see NOAA contacts listed on [1] for questions about the NWM data contents, structure and formats. Contact help@cuahsi.org if any questions about HydroShare-based tools and data access.

References
[1] Overview of the NWM framework and output files [http://water.noaa.gov/about/nwm]
[2] Free access to all National Water Model output for the most recent two days [ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/nwm]
[3] NWM outputs for rolling 40-day window, maintained by HydroShare [http://thredds.hydroshare.org/thredds/catalog/nwm/catalog.html]
[4] Archived Harvey NWM outputs via RENCI THREDDS server [http://thredds.hydroshare.org/thredds/catalog/nwm/harvey/catalog.html]
[5] RENCI is an Institute at the University of North Carolina at Chapel Hill
[6] Live map for National Water Model forecasts [http://water.noaa.gov/map]
[7] NWM Forecast Viewer app [https://hs-apps.hydroshare.org/apps/nwm-forecasts]
[8] CUAHSI JupyterHub example scripts for subsetting NWM output files [https://hydroshare.org/resource/3db192783bcb4599bab36d43fc3413db/]
[9] WRF-Hydro Overview [https://ral.ucar.edu/projects/wrf_hydro/overview]
[10] WRF-Hydro User Guide 2015 [https://ral.ucar.edu/sites/default/files/public/images/project/WRF_Hydro_User_Guide_v3.0.pdf]

Subject Keywords

Streamflow,THREDDS,National Water Center,Hurricane,Mississippi,NOAA,National Water Model,netCDF,Arkansas,NWC,OPeNDAP,NWM,Louisiana,Texas,Harvey2017

How to cite

NOAA National Water Center (2018). NOAA NWC - Harvey National Water Model Streamflow Forecasts, HydroShare, https://doi.org/10.4211/hs.abb61157105746e5a03f983c0c6a8249

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
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Sharing status:

  • Published Resource  Published

Content

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Authors

The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
NOAA National Water Center Tuscaloosa, AL

Contributors

People or organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Brian Blanton RENCI North Carolina, US
David Gochis National Center for Atmospheric Research (NCAR) Boulder, CO
Chris Calloway RENCI NC, US
Ray Idaszak RENCI; University of North Carolina at Chapel Hill NC, US
Anthony Michael Castronova CUAHSI MA, US 3399334127 ORCID , GoogleScholarID , ResearchGateID
Relations
cites: NOAA National Water Model documentation [http://water.noaa.gov/about/nwm]
cites: NOAA National Water Model interactive map [http://water.noaa.gov/map]
cites: Hurricane Harvey subsetting exercise [https://www.hydroshare.org/resource/3db192783bcb4599bab36d43fc3413db/]
cites: WRF-Hydro Technical User Guide [https://ral.ucar.edu/sites/default/files/public/projects/wrf_hydro/WRF_Hydro_Technical_Description_and%20User_Guide_v1.0.pdf]
cites: NWM output files for Harvey timeframe (CONUS) [http://thredds.hydroshare.org/thredds/catalog/nwm/harvey/catalog.html]
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Harvey Flood Data Collections David Arctur · Harvey datamgr  Published Open Access

Credits

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation (NSF) RAPID: Archiving and Enabling Community Access to Data from Recent US Hurricanes 1761673

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