Release Cycle
The team has implemented a new development and release cycle for HEC-RTS to enhance version stability and reliability, streamline the update process for Water Management offices, and support a consistent annual release schedule. The timeline is shown below. Key highlights of the updated cycle include:
- A February 1st cutoff for new feature submissions
An extended Alpha Testing period
A target release date of September 30th
The information discussed here is preliminary and subject to change.
HEC-RTS 3.6
Planned Release: September 2026
Name Change
Beginning with version 3.6, HEC-RTS and CWMS will be unified into a single product: HEC-RTS. CWMS will no longer be released as a separate product.
Enhanced Support for New LRTS Intervals
User interfaces in HEC-RTS and CWMS-Vue will be updated to support the newly available Local Regular Time Series (LRTS) in the database.
A new standalone Impact Response Tool will replace the existing functionality within HEC-FIA. This tool will allow users to rapidly assess impacts using forecasted stages from HEC-ResSim and/or HEC-RAS without the need to process data through HEC-FIA.
Consolidation of Data Functions
The Visualization Tab will be removed and all data-related operations will be consolidated into the Acquisition Tab, creating a more streamlined and centralized user experience for managing data within the interface.
HEC-RTS 3.7
Planned Release: September 2027
Lightweight Calculators
A series of new, lightweight calculators will be integrated into HEC-RTS to help water managers with daily operations. They include:
- Gate Calculator
- Rating Calculator
- Flood Storage Calculator
- Flood Evacuation Calculator
OSI 2.0
The Operations Support Interface (OSI) functionality will be migrated from HEC-ResSim to a standalone module within HEC-RTS. This transition includes a refreshed user interface and improved efficiency for future enhancements.
Extract and Post Editor Enhancements
Enhancements to the Extract and Post Editor will expand support for:
- Paired data
- Ensembles
- Versioned time series
- Forecasts
- Location levels
- CWMS ratings
A dedicated Transformation Processor will be introduced to manage time series transformations (either post-extraction or pre-posting). This processor will provide users with detailed logs for increased transparency and control. Currently, these transformations are embedded in the extract/post process and not visible to users.
The Extract Editor will be upgraded to allow direct extraction from USGS and NWS data sources, eliminating the need for external scripts.
Future Versions (beyond HEC-RTS 3.7)
Extract and Post Editor Enhancements
Enhancements to the Extract and Post Editor will expand support for:
- Paired data for water quality measurements
- Extracts directly from APIs such as USGS, NWS, NOAA, USBR, and NRCS
Additional capabilities will be added to the Transformation Processor, including support for filling missing data and extending time series data.
