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Date Change Tags
2026-08-28 SunZia solar farm forecasts/data have been added to StormVista. See example here: https://www.stormvistawxmodels.com/sv/windgen/current-00z/sunzia
2026-08-28 The vorticity images on StormVista at 500mb have been enhanced with more contours and now PVA has been added (purple lines). See examples here: https://www.stormvistawxmodels.com/sv/model-maps/model-ecmwf-eps-suite/cycle-00/region-na/image-2-500-mb-hgt-vort
2026-08-21 New on-demand SST maps are available on StormVista, including an option to build and save custom regions. https://www.stormvistawxmodels.com/sv/ondemand/sst Analysis, anomalies, and changes are available over multiple time periods. 
2026-08-12 You can now save "presets" for frequently produced maps on SV's On-Demand Composites: https://www.stormvistawxmodels.com/sv/ondemand/mapping Just hit the new manage button to save and name current settings for future usage. 
2026-08-12 Similar to the renewables pages, Power/Load pages now remember your model selections for future visits: https://www.stormvistawxmodels.com/sv/power-load
2026-08-12 WDD verification page recently upgraded to allow you to adjust and save your preferences for return visits: https://www.stormvistawxmodels.com/sv/model-verification/wdd-bias
2026-08-12 AIFS operational and AIFS ensemble models were recently added to the Tropical Threat Progression tables. See example here: https://www.stormvistawxmodels.com/sv/tropical/threat-progression/mdr/aifs-ens/fhr/
2026-08-12 City histograms on SV now offer option to click off variations, like outliers, to recalculate numbers/spread: See example: https://www.stormvistawxmodels.com/sv/ensemble-histograms/tmp2m/KDFW/2026071500z/13/imperial
2026-07-30 Several Subregions Added to Load/Power Forecasts New Regions/Sub-Regions: ERCOT North: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/ercotnorth ERCOT South: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/ercotsouth ERCOT West: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/ercotwest SERC: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/serc Florida: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/frcc TVA: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/tva Carolinas: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/car Southeast: https://www.stormvistawxmodels.com/sv/power-load/2026073000z/southeast API:  Hourly Power/Load Forecasts: https://www.stormvistawxmodels.com/api#/paths/model-data-model---date---cycle-z-power-load--reg--ho…
2026-07-23 Skew-T page has been upgraded with more flexibility and new models (including RRFS and ECMWF through 36 hours at full resolution). https://www.stormvistawxmodels.com/sv/skew-t/ecmwf/KDFW/current/0
2026-07-09 PJM Subregions Added for Power/Load Forecasts on StormVista PJM South: https://www.stormvistawxmodels.com/sv/power-load/2026070900z/pjmsouth PJM West: https://www.stormvistawxmodels.com/sv/power-load/2026070900z/pjmwest PJM Mid-Atlantic: https://www.stormvistawxmodels.com/sv/power-load/2026070900z/pjmmidatl API: https://www.stormvistawxmodels.com/api#/paths/model-data-model---date---cycle-z-power-load--reg--ho…
2026-07-01 AIFS and AIFS Ensemble power/load forecasts added to Power/Load pages and API Power/Load Forecasts: https://www.stormvistawxmodels.com/sv/power-load/2026063000z/pjm API: https://www.stormvistawxmodels.com/api#/paths/model-data-model---date---cycle-z-power-load--reg--ho…
2026-06-26 AI models with precipitation added to power panels and histograms:  https://www.stormvistawxmodels.com/sv/power-panels-custom https://www.stormvistawxmodels.com/sv/ensemble-histograms-custom/
2026-06-25 AIFS ensemble added to precipitation tools:  Total Precip: https://www.stormvistawxmodels.com/sv/precip-matrix/pcptot/KDCA/2026062500z/in/precip Daily Precip: https://www.stormvistawxmodels.com/sv/precip-matrix/pcpdly/KDCA/2026062500z/in/precip Daily dProg: https://www.stormvistawxmodels.com/sv/precip-matrix-dprogdt/pcpdly/KDCA/2026062500z/in/aifs-ens/
2026-06-17 SV Tropical Plotter page upgraded with many new features:  https://www.stormvistawxmodels.com/sv/tropical/plotter
2026-06-16 StormVista On-Demand Composites now include option to show all members of ensembles ("stamps") in output. See the new options under Plot Type. https://www.stormvistawxmodels.com/sv/ondemand/mapping
2026-06-10 StormVista now offers hourly forecasts based on the AI models: AIFS, GraphCast, WeatherNext2, and FourCastNetV2.  https://www.stormvistawxmodels.com/sv/hourly-forecasts These are now available in the SV API. https://www.stormvistawxmodels.com/api#/paths/model-data-aimodel---date---cycle-z-city-extraction-all-stations-hourly_-region-.csv/get Note that only the AIFS and AIFS ensemble have dew point and cloud cover, so they have been added to other products on StormVista like heat index and cloud cover.
2026-06-04 Updated/improved shear and shear composite forecast and anomaly maps are now available on StormVista: https://www.stormvistawxmodels.com/sv/composite/42-850-250-mb-wind-shear/tropatl/00z/6-10 https://www.stormvistawxmodels.com/sv/composite/43-850-250-mb-wind-shear-anomaly/tropatl/00z/6-10
2026-05-22 Real-Time API files (updating as model updates) are now available for subseasonal models, including the Euro weeklies. Some examples are listed here: Real-time Daily Max/Min - Raw: https://www.stormvistawxmodels.com/api#/paths/model-data-longmodel---date---cycle-z-city-extraction-realtime-max-min\_-region-.csv/get Real-time Daily Max/Min - GC: https://www.stormvistawxmodels.com/api#/paths/model-data-longmodel---date---cycle-z-city-extraction-realtime-corrected-max-min\_-region-.csv/get National WDDs - GC (RT): https://www.stormvistawxmodels.com/api#/paths/model-data-wkmodel---date---cycle-z-wdd-realtime-national.csv/get International WDDs - Raw (RT): https://www.stormvistawxmodels.com/api#/paths/model-data-wkmodel---date---cycle-z-wdd-realtime--area--raw.csv/get National Ens Mem WDDs - Raw (RT): https://www.stormvistawxmodels.com/api#/paths/model-data-wkmodel---date---cycle-z-wdd-realtime--type-\_members-raw.csv/get
2026-05-19 AI models added to StormVista chaos pages and API: https://www.stormvistawxmodels.com/sv/ensemble-chaos/aifs-ens/na/hgt500/2026051900z

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