Tools & Data

Tools & data

Everything you need to work with GEOGLOWS data

A connected suite of open applications and data services for exploring, analyzing, and downloading global streamflow forecasts and the 85-year retrospective, whatever your work with water requires.

  • ApplicationsInteractive apps for streamflow forecasting, groundwater, and hydrological analysis.
  • Open data, four waysEsri web layers, a public REST API, Python and JavaScript packages, and direct AWS S3 access.
  • Learn and citePublications, videos, webinars, and hands-on training for every level.

Applications

One place for every tool

Explore the GEOGLOWS applications for forecasting, groundwater, and analysis.

Forecasting

GEOGLOWS RFS

Visualize real-time and forecasted streamflow for any river on Earth.

ExploreGroundwater

GRACE Groundwater Subsetting Tool

Track changes in global water storage from NASA JPL GRACE satellites.

ExploreAnalysis

HydroStats

Visualize and validate hydrological time series and forecast skill.

ExploreForecasting

HydroSOS

Hydrological status and outlook for basins worldwide.

Explore
Groundwater

AquiferX

Explore aquifer water-table levels and well data.

Coming soon

Access the data

Ways to build on the data

The full 15-day ensemble forecasts and the 85-year retrospective are open to everyone, no account required. Pick the access path that fits your work.

No code

Web layers

Drop GEOGLOWS streamflow forecasts straight into any ArcGIS map as ready-to-use layers from the Living Atlas, nothing to install.

Browse the layers →
REST

REST API

Query forecasts and the full retrospective on demand from the public data service, no download required.

$curl data.geoglows.org
Data Guide & API →
AWS CLI

Cloud storage (S3)

Pull the complete forecast and retrospective archives from the open AWS buckets in Zarr format, no credentials needed. Best for large-scale or offline work.

$aws s3 cp s3://geoglows-v2
Bulk download guide →AWS Open Data →

Resources

Learn, cite, and go deeper

Documentation, research, reports, and training for every level, organized by what you are looking for.

Documents

Watch & learn

Start building with open water data

Open GEOGLOWS RFSRead the publications