Tomorrow.io employs global and regional hydrological models to analyze river networks hourly and provide widespread coverage. Our approach utilizes proprietary models for region-specific analysis and integrates statistical methods with historical data to establish flood thresholds. These scalable, cloud-based methods are validated against real-world observations and continuously refined with new data to enhance accuracy and reliability.
Our Flood Index offers precise, localized flood forecasting with a clear depiction of stream networks. This feature eliminates displacement errors, provides lead time for widespread flood events, and accurately captures dynamic or rapidly evolving flood conditions.
Key Parameters
| Parameter | Description |
| Flood Index | A global combined fluvial, pluvial, and streamflow flood index based on return period intervals of 10, 50, 100, 500, and 5,000 years. It's important to note that the flood index focuses on terrestrial flooding (fluvial and pluvial) and does not account for coastal or storm surge related flooding at coastal areas or around inland bays, estuaries, and large tidal bodies of water. |
| Stream Flow | Provides observed and forecasted streamflow data. While hourly stream flow data is available for the CONUS region, all hourly measurements outside of CONUS represent daily values. |
Flood Data Product Layers
- Global Flood Index - Delivers a daily forecast at a 5km resolution (upgraded from 9km), available up to 14 days in advance.
- Global Streamflow - Delivers a daily forecast at a 9km resolution, available up to 5 days in advance
- Conus Flood Index - Provides hourly forecasts at a 1km resolution for up to 18 hours, ideal for short-term predictions.
- Conus Streamflow - Provides hourly forecasts at a 1km resolution for up to 18 hours, ideal for short-term predictions.
Accessing Flood Index on the Platform
To view the flood risk assessments in real-time:
- Navigate to the "Trends" sub-tab on the Tomorrow.io platform.
- Click on the "Flood Index" toggle to visualize the flood layer (purple) on the map.
API Access for Developers
Developers can access detailed integration guidelines and utilize the flood index data through our API. For more information, please visit our API documentation.
*Please note that the flood index and related forecasting tools are part of Tomorrow.io’s premium offerings. These advanced features provide critical insights into flood risks and are essential for planning and emergency response. If you are interested in accessing our comprehensive flood prediction tools, please contact your account team or our sales team at sales@tomorrow.io for more information.
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