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Deprecation Notice: Real time forecasts for Salient Blend v8 will not be generated after June 2026. The model version selector has been removed from the user interface and the version argument has been removed from the Swagger API documentation. However, existing code that references version = v8 will continue to work.

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December 15, 2025

• Model Comparison supports the ability to compare past forecasts with the observed values or anomalies from ERA5 Reanalysis.
• Skill scores are available for the Salient gemAI v2 model on the skill tab. You can view CRPS absolute values or % improvement relative to NOAA GEFS.
  • Support for comparisons at weekly and monthly aggregations and relative to ECMFS ENS are coming soon.

November 17, 2025

• Show debiased values for Location Lists

  You can view debiased values in the forecast table view by setting the debias flag to true when uploading location lists via the UI or API.

• Show forecasts over the ocean in the map view

  You can view ocean data on the map view by using a toggle button in the lower right hand corner of the map.

  

GemAI v2 Model Release is available October 14, 2025

• The v2 GemAI model GA release is available with updated hindcasts and skill metrics.
  • Access the latest version in the API by setting the model parameter = gem. You can continue to access v1 via the API until the next model upgrade using model = gemv1.
  • Hindcasts from 2020-01-01 include 46 leads daily. The full 126 leads are available weekly on Monday. Operational forecasts are available from 10-1-2025 onward and 126 leads are available daily.

Skill improvement from GemAI v1 to v2.

• Debiasing model supports additional variables: wspd, precip, dewpoint, rh, heat_index, wind_chill. The debiasing model is available for GemAI and Blend hourly and daily downscale.

October 6 2025

New Alert emails are available so you can have your custom alerts delivered to your Inbox.

• Contact Salient to enable alert emails for your account.
• Open your User Profile page from the upper right corner of the user interface. Enable alert emails for yourself and choose whether you want to limit the alerts to specific locations.

• Salient Blend v9 hourly downscale uses the **new Debiasing** model.

• **Custom quantities can have pre-defined defaults for location list or areas and weight** type (e.g. population or wind capacity) for averaging.

• Alerts generated from multiple models, with the same risk level ,will display as one combined alert This enhancement helps to flag converging forecasts that are predicting the same risk.