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    chstdu

    @chstdu

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    API developers

    Best posts made by chstdu

    • RE: Help us to test new Weather Radar overlay

      Yeah, it's really beautiful! It's a shame that there is no official, free, comprehensive radar composite by the EU (at least for all the countries that offer free radar data). You are doing amazing work! πŸ‘

      posted in Announcements
      chstdu
      chstdu
    • Free wave models by DWD

      Re: Which model used for currents/ waves and what resolution?
      The German Weather Service / Deutscher Wetterdienst (DWD) offers free wave models on global, European und German scale:

      Area Resolution Wind source Boundary conditions Time horizon
      WAM-global 0.0625Β° x 0.0625Β° ICON – T+174h
      WAM-europe 0.05Β° x 0.10Β° ICON-EU WAM-global T+78h
      WAM-coast (Germany) 30" x 50" ~900m COSMO-D2 WAM-europe T+48h

      https://www.dwd.de/EN/research/weatherforecasting/num_modelling/03_environmental_forecasts/seegangvorhersage.html
      https://www.dwd.de/DE/leistungen/opendata/help/inhalt_allgemein/opendata_content_de_en_pdf.pdf?__blob=publicationFile

      Maybe this can be added as another model option?

      posted in Your Feedback and Suggestions
      chstdu
      chstdu
    • RE: Windy offers new model ICON-EU with 7km grid resolution

      @dzuremar Thanks a lot for the new forecast model. I am also looking forward to Global ICON and COSMO-DE (2.8 km resolution) from DWD's open data server. Happy new year! πŸŽ‡πŸΎπŸŽ‰

      posted in Announcements
      chstdu
      chstdu
    • RE: Which model is most accurate for Europe?

      @gkikas-lgpz Thank you for the information. These spot forecasts / city details seem to be the perfect place to also include MOSMIX. MOSMIX does not only adjust for altitude but takes into account a bunch of other statistical corrections and combines ICON and ECMWF, i.e., statistically the best of both worlds.

      posted in General Discussion
      chstdu
      chstdu
    • RE: Help us to test new Weather Radar overlay

      @gkikas-lgpz
      Well, you are right, but I was thinking of a free radar composite, which can directly be used for windy. I edited my comment and included "free".

      posted in Announcements
      chstdu
      chstdu
    • RE: Testers wanted: Weather radar USA!

      @dzuremar The data from the German Meteorological Office (Deutscher Wetterdienst - DWD) is freely available since a change in the DWD Act, which has come into effect on 25th July 2017. It also includes all the radar data - composite, raw and 2h forecast - from the 17 German weather radars every 5 minutes! http://www.dwd.de/EN/ourservices/opendata/opendata.html

      posted in Your Feedback and Suggestions
      chstdu
      chstdu
    • RE: Vote for the next feature on Windy!
      1. Weather radar for Europe! Thank you for your amazing work!
      posted in General Discussion
      chstdu
      chstdu
    • RE: Ensemble view / model comparative behaviour?

      A first step could be to show the ensemble results of one model as uncertainty area. See the following example (of the DWD WarnWetter app) for the temperature:
      temperature chart

      posted in Your Feedback and Suggestions
      chstdu
      chstdu
    • RE: Which model is most accurate for Europe?

      @theradarguy The German Meteorological Office (Deutscher Wetterdienst - DWD) offers such statistically optimized point forecasts for about 5400 locations around the world as open data called MOSMIX. (Forecasting time step and update interval is one hour and the maximum forecasting time is 240h - https://www.dwd.de/EN/ourservices/met_application_mosmix/met_application_mosmix.html) The ICON model and ECMWF model are used as input.

      Any idea how windy could visualize these point forecasts?
      Maybe it could be added as additional model to the city weather details?

      posted in General Discussion
      chstdu
      chstdu
    • Free ECMWF forecasts soon?

      The ECMWF (the "European model") is working on an Open Data policy and plans to offer the "WMO Additional" dataset free of charge. However, this would include only 6-hourly time steps and not the hourly steps which ECMWF actually computes for the first 90 hours.

      You can directly give your own opinion on the planned Open Data policy in the following survey: https://www.surveymonkey.co.uk/r/DSstrategy2020

      (Questions 3 and 4 specifically ask for whether the 6-hourly time steps are enough.)

      posted in General Discussion
      chstdu
      chstdu

    Latest posts made by chstdu

    • Free ECMWF forecasts soon?

      The ECMWF (the "European model") is working on an Open Data policy and plans to offer the "WMO Additional" dataset free of charge. However, this would include only 6-hourly time steps and not the hourly steps which ECMWF actually computes for the first 90 hours.

      You can directly give your own opinion on the planned Open Data policy in the following survey: https://www.surveymonkey.co.uk/r/DSstrategy2020

      (Questions 3 and 4 specifically ask for whether the 6-hourly time steps are enough.)

      posted in General Discussion
      chstdu
      chstdu
    • High Temp ensemble forecast

      Could you add charts for high temp ensemble / trend forecast like in the following examples (the shaded area shows the uncertainty of the ensemble forecasts):

      Most recent 15 days high temp trend of German broadcasting company

      SRF Meteo

      Kachelmann temperature spread

      posted in Your Feedback and Suggestions
      chstdu
      chstdu
    • RE: Long range wx. radar

      The long range radar (lower resolution) should not be used instead of the short range radar (higher resolution) but additional to it in the areas not covered by the short range one!

      posted in Your Feedback and Suggestions
      chstdu
      chstdu
    • RE: Which model is most accurate for Europe?

      @gkikas-lgpz Thank you for the information. These spot forecasts / city details seem to be the perfect place to also include MOSMIX. MOSMIX does not only adjust for altitude but takes into account a bunch of other statistical corrections and combines ICON and ECMWF, i.e., statistically the best of both worlds.

      posted in General Discussion
      chstdu
      chstdu
    • RE: Which model is most accurate for Europe?

      @theradarguy The German Meteorological Office (Deutscher Wetterdienst - DWD) offers such statistically optimized point forecasts for about 5400 locations around the world as open data called MOSMIX. (Forecasting time step and update interval is one hour and the maximum forecasting time is 240h - https://www.dwd.de/EN/ourservices/met_application_mosmix/met_application_mosmix.html) The ICON model and ECMWF model are used as input.

      Any idea how windy could visualize these point forecasts?
      Maybe it could be added as additional model to the city weather details?

      posted in General Discussion
      chstdu
      chstdu
    • RE: Help us to test new Weather Radar overlay

      @tomber42
      Yeah, you are totally right. Ideally, it should be done by all the weather services. Now I wrote to DWD and asked whether the numerical prediction models for radar shift trends themselves are also freely available. Maybe we, windy, or some university can compute the trends for other countries by ourselves then.

      posted in Announcements
      chstdu
      chstdu
    • Free wave models by DWD

      Re: Which model used for currents/ waves and what resolution?
      The German Weather Service / Deutscher Wetterdienst (DWD) offers free wave models on global, European und German scale:

      Area Resolution Wind source Boundary conditions Time horizon
      WAM-global 0.0625Β° x 0.0625Β° ICON – T+174h
      WAM-europe 0.05Β° x 0.10Β° ICON-EU WAM-global T+78h
      WAM-coast (Germany) 30" x 50" ~900m COSMO-D2 WAM-europe T+48h

      https://www.dwd.de/EN/research/weatherforecasting/num_modelling/03_environmental_forecasts/seegangvorhersage.html
      https://www.dwd.de/DE/leistungen/opendata/help/inhalt_allgemein/opendata_content_de_en_pdf.pdf?__blob=publicationFile

      Maybe this can be added as another model option?

      posted in Your Feedback and Suggestions
      chstdu
      chstdu
    • RE: Help us to test new Weather Radar overlay

      @emsdude54
      In fact the German weather service / Deutscher Wetterdienst (DWD) offers exactly this as open data (called "radar shift trend" internally): Together with the radar data for past hours, it includes a numerical prediction for the next two hours in 5 minutes steps on a 1km x 1km grid based on the past radar data. It would be great if windy could include this ultra-short-term prediction based on radar data, too!

      posted in Announcements
      chstdu
      chstdu
    • RE: Help us to test new Weather Radar overlay

      @gkikas-lgpz
      Well, you are right, but I was thinking of a free radar composite, which can directly be used for windy. I edited my comment and included "free".

      posted in Announcements
      chstdu
      chstdu
    • RE: Help us to test new Weather Radar overlay

      Yeah, it's really beautiful! It's a shame that there is no official, free, comprehensive radar composite by the EU (at least for all the countries that offer free radar data). You are doing amazing work! πŸ‘

      posted in Announcements
      chstdu
      chstdu