Seamless precipitation forecast - 5 minute exceedance probabilities over The Netherlands up to 6 hours ahead

PILOT: Seamless ensemble precipitation forecast probabilities up to 6 hours ahead, per 5 minutes, over the Netherlands. The forecast contains 72 time steps: +5 minutes to +360 minutes. Forecasted is the exceedance probabilities of 6 precipitation thresholds, on a grid of 1x1 km. The precipitation thresholds are 0.1, 0.3, 1, 3, 10, and 30 mm/h. The forecast is made with an experimental KNMI implementation of pySTEPS ( https://pysteps.github.io). The forecast is initiated with the KNMI 5-minute real-time precipitation accumulation product (RTCOR-5m) and the HARMONIE-AROME Cy43 ensemble forecast.

NOTE: As this data product is currently in a pilot phase, please be aware that it may undergo changes or be discontinued at any time without prior notice. This pilot will last until January 31st 2026 at the latest.

The KNMI real-time precipitation accumulation product can be found here: https://dataplatform.knmi.nl/dataset/nl-rdr-data-rtcor-5m-1-0

Simple

Date (Publication)
2025-03-01
Edition

1
Citation identifier
urn:xkdc:ds:nl.knmi::seamless_precipitation_ensemble_forecast_probabilities/1.0/
Status
On going
Point of contact
Organisation name Individual name Electronic mail address Role

Koninklijk Nederlands Meteorologisch Instituut (KNMI)

opendata@knmi.nl

Point of contact
Maintenance and update frequency
Continual

DG Discovery Properties Vocabulary 1.0

  • Precipitation

  • Rain

  • Radar

  • Forecast

  • Nowcast

  • Meteorological

  • pySTEPS
Keywords

  • Dynamic

  • Open data
Use limitation

No use limitations
Access constraints
Other restrictions
Other constraints

https://creativecommons.org/licenses/by/4.0/deed.nl

Classification
Unclassified
Spatial representation type
Grid
Distance
1000  meters
Language
English
Character set
UTF8
Topic category
  • Climatology, meteorology, atmosphere
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Begin date
2025-03-01
End date
9999-12-31
Supplemental Information

For more information on pySTEPS see https://pysteps.readthedocs.io/en/stable

Reference system identifier
http://www.opengis.net/def/crs/PROJ.4/0/+proj=stere +lat_0=90 +lon_0=0 +lat_ts=60 +a=6378137 +b=6356752 +x_0=0 +y_0=0 +units=km
Distribution format
Name Version

NetCDF

4
Distributor contact
Organisation name Individual name Electronic mail address Role

Koninklijk Nederlands Meteorologisch Instituut (KNMI)

opendata@knmi.nl

Point of contact
OnLine resource
Protocol Linkage Name

landingpage

 		https://dataplatform.knmi.nl/catalog/datasets/index.html?x-dataset=seamless_precipitation_ensemble_forecast_probabilities&x-dataset-version=1.0

KNMI Data Platform
Hierarchy level
Dataset
Statement

Ensemble precipitation forecast generated by pySTEPS, based on KNMI's 5-minute realtime quantitative precipitation estimate (QPE) product and the HARMONIE-AROME Cy43 ensemble forecast.

Metadata

File identifier
4d1e5d20-c05c-46b4-ab4f-2a2245aefbdd XML
Metadata language
English
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2025-06-02T12:16:03.357Z
Metadata standard name

ISO 19115
Metadata standard version

ISO 19115:2003 NL Kernset 1.3 KNMI 1.1
Metadata author
Organisation name Individual name Electronic mail address Role

Koninklijk Nederlands Meteorologisch Instituut (KNMI)

opendata@knmi.nl

Point of contact
Other language
Language Character encoding
Dutch; Flemish
English UTF8
 
 

Overviews

Spatial extent

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Keywords



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