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WMS 11.4: Now Out In Beta
Aquaveo is pleased to announce the release of Watershed Modeling System (WMS) 11.4 in beta, a focused update designed to improve usability, modernize workflows, and support emerging hydrologic modeling needs. WMS 11.4 beta delivers targeted enhancements that improve efficiency and expand modeling capabilities.

Updated Web Services Options
WMS 11.4 includes updated web services options, continuing Aquaveo’s commitment to keeping WMS compatible with modern data sources and evolving web standards. Reliable access to online elevation data, imagery, and other geospatial services is essential for watershed modeling workflows, and these updates help ensure smoother connections and fewer disruptions when importing data into your projects.
For engineers and hydrologists who rely on web-based data sources for model setup, these updates translate to more dependable data access, improved long-term stability, and reduced troubleshooting time—small improvements that can make a meaningful difference over the life of a project.
New Post-Wildfire Modeling Options for GSSHA
One of the most significant additions in WMS 11.4 is the introduction of post-wildfire modeling options for GSSHA. Wildfires can dramatically alter watershed response by changing soil properties, vegetation cover, and infiltration rates, often increasing runoff and erosion risk. WMS 11.4 adds tools that help users better represent these post-fire conditions within GSSHA models.
These new options support more realistic simulations for flood risk assessment, emergency response planning, and watershed recovery studies in fire-affected areas. As post-wildfire hydrology becomes an increasingly important concern, this enhancement helps WMS users address real-world challenges with greater confidence.
To support these new capabilities, a new GSSHA Post-Wildfire tutorial has been published. This step-by-step resource guides users through running a post-wildfire scenario, making it easier to adopt the new tools and apply them correctly in practice.
Whether you are new to post-fire modeling or looking to refine your existing workflows, this tutorial provides a practical starting point and reinforces best practices within WMS.
A Focused, Practical Update
WMS 11.4 is a release focused on refinement, reliability, and applied modeling needs. By modernizing web services and expanding support for post-wildfire hydrologic analysis, it continues to strengthen WMS as a dependable platform for watershed modeling professionals.
Test out the WMS 11.4 beta today!