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Date Change Tags
2018-03-08 We are adjusting our snow accumulation threshold to 34F (from 32F) to better capture snowfall risks around marginal temperature events.  This starts with the 14z HRRR cycle ahead and then the 12z GFS model cycle.  One exception is the low-res GFS, which uses the Cobb method. snow
2018-03-06 Model comparison weighted degree day forecast pages now show estimated verification data too.  See example here. WDDs
2018-03-05 Cities from Europe, Asia, and South America added to the 2-meter forecast page.  Check out Heathrow example here. City Forecasts, International, South America, Europe, Asia
2018-02-26 You can now toggle on individual ensemble members for the EIA week weighted degree day forecasts here. WDDs, Ensemble Members
2018-02-02 Hovmoller options now include 0 to 15N and 0 to 15S here. Hovmoller
2018-02-01 The automated model weighted degree day emails now include more features: 12 and 24-hour same-day changes EIA week climatology (10 and 30Y normals) Probability of exceeding normal based on ensemble members (and change from prior run) Corporate customers can add this email by going to My Account and Edit Profile to choose which emails to receive. wdd, Automated Model Emails
2018-01-25 River Basin overlay options available now for NW Hydro, Northwest Expanded, Western USA, PacNW, and NW map projections. PacNW Hydro
2018-01-25 European Weeklies now include EIA (Fri-Thu) and Power (Mon-Fri) weeks for the cluster analyses.  Euro weeklies, EIA, Power
2018-01-17 ICON model available for EU regionals (runs 8 times a day) and globally (runs four times a day).  Learn more here. ICON, European forecasts
2018-01-17 The long-range NMME model output is now on StormVista under the Long Range menu- goes out seven months for temperature and precipitation....updated early each month. NMME, Long Range
2018-01-12 Individual ensemble member data can now also be accessed via SV's API system ( tmp2m, tmax2m, tmin2m, precip, heatindex, tmp850) API, Ensemble Members, Data
2018-01-12 850mb model temperature data now available via StormVista's API. API, 850
2018-01-08 Model verification added to the API corporate, API, verification
2018-01-05 Wind forecasts added for two more power regions to the forecast charts and the API Renewable, wind, NYISO, NEPOOL
2018-01-03 Now you can see the distribution of forecasts from the ensemble members in daily histogram form (Features --> City Plots ---> Ensemble Histograms) Check out Chicago (ORD) Day 15 here. City Plots, histograms
2017-12-19 New charts and tables show ensemble member range for key city forecasts.  Find here:  Features > City Plots > Ensemble Temperature Statistics City Forecasts
2017-12-06 Wind forecasts from main models now available via API for:  caiso, ercot, miso, nepool, nyiso, pjm, spp, usa wind, API
2017-12-06 SV's 30-day bias corrected MJO forecasts now available for API pickup. API, MJO
2017-12-06 Added for GFS and these zoom views arriving first for 12z cycle of European modeling this afternoon too.  See examples here. Max Res, South Africa
2017-12-04 Future Upgraded HRRR Model Running in Parallel on StormVista Now.   Data is splotchy from NOAA at times (experimental), but main cycles go out 36 hours. HRRR

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