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  • Rain gauge data from water board Noorderzijlvest, after quality control by KNMI. Raw data originating from a self-maintained network of rain gauges. Delivery of data is every 1-5 minutes.

  • The warnings forecast covers the coastal waters around the Netherlands up to 30 nautical mile offshore and the greater inland waters. This area is divided into the following districts: Vlissingen, Zierikzee, Hoek van Holland, IJmuiden, Texel, Harlingen, Rottum, Delfzijl, IJsselmeer and Markermeer. The forecast contains wind warnings in force (≥6 Bft) and storm warnings. Visit https://www.knmi.nl/nederland-nu/weer/waarschuwingen-en-verwachtingen/warnings-coastal-waters-and-dutch-continental-shelf and https://www.knmi.nl/nederland-nu/maritiem/marifoon_uitleg for more information.

  • Rain gauge data from water company Waternet, after quality control by KNMI. Raw data originating from a self-maintained network of rain gauges. Delivery of data is every 1-5 minutes.

  • The KNMI provides a daily solar irradiation forecast. The sun's power is a measure for the amount of ultraviolet radiation (UV) in sunlight that reaches the earth. The higher the sun is in the sky, the more solar radiation enters the atmosphere. Part of that radiation is invisible ultraviolet light (UV). It gives you a tan, but too much UV leads to sunburn and can eventually cause skin problems. The total amount of UV on the ground at noon is called solar power, internationally also known as the UV Index. More information about this is available at https://www.knmi.nl/kennis-en-datacentrum/uitleg/zonkracht. The data is published in two different formats: txt and xml.

  • The North Sea shipping warnings cover the North Sea, divided into 5 districts: Dogger, German Bight, Humber, Thames and Dover. The warnings bulletin contains wind warnings in force (≥7 Bft) and storm warnings. Visit https://www.knmi.nl/nederland-nu/weer/waarschuwingen-en-verwachtingen/warnings-coastal-waters-and-dutch-continental-shelf and https://www.knmi.nl/nederland-nu/maritiem/dutch-continental-shelf for more information.

  • Winds of the North Sea in 2050 (WINS50): wind speed, wind direction, temperature, pressure and relative humidity at 10-600 meter height from a reanalysis for 2020 with the NWP model HARMONIE-AROME nested in the ECMWF reanalysis ERA5. The HARMONIE-AROME simulation includes a wind farm parameterization (Fitch et al., 2012) using a 2050 scenario for turbine locations and properties over sea and over land. Data are stored as daily files for a subdomain covering the Netherlands. More information on: www.wins50.nl.

  • Current operational HARMONIE information in gridded form (regular lat-lon) of weather parameters from the KNMI HARMONIE-AROME Cy40 model. The output frequency is 1 hour. For more details and explanation of GRIB codes in HARMONIE, follow this link (NL): https://www.knmidata.nl/open-data/harmonie.

  • Combined rain gauge data from water boards and water companies, after quality control by KNMI. Raw data originating from a self-maintained network of rain gauges. Delivery of data is every 1-5 minutes. Availability of measuring locations varies.

  • Dutch weather warnings from KNMI. Current information about weather warnings in the Netherlands in respect to conditions of iciness and snow, rain, visibility, thunderstorm, gusts, heat stress, wind/water spouts. The warnings are issued up to 48 hours in advance. The data is published in two different formats: txt and xml.

  • The KNMI'23 climate scenarios are based on 240 years (8 ensembles of 30 years each) of RACMO (Regional Atmospheric Climate Model) v2.3 data for every horizon/scenario. The data in this set is a user-friendly version of the RACMO putput that was used to calculate the scenario tables. ‘User-friendly’ means that the data is mapped to a regular lat/lon grid, and that the time coordinate corresponds to the nominal period it is used for. This dataset version only includes values within the Dutch borders, for a more extensive area, please take a look at version 2 of this dataset (https://dataplatform.knmi.nl/dataset/knmi23-user-friendly-racmo-2-0). This user-friendly dataset is also provided to the public via the data portal. Additional information can be found in the KNMI’23 user report: https://cdn.knmi.nl/system/data_center_publications/files/000/071/901/original/KNMI23_klimaatscenarios_gebruikersrapport_23-03.pdf, as well as on the data portal: https://klimaatscenarios-data.knmi.nl/.