How MeteoGate Changes Cross-Border Weather-Data Access

EuroMeteo
Open Data
MeteoGate makes European meteorological datasets discoverable through a shared framework while national publishers retain ownership. Here is what that changes—and what it does not.
Author

Climate Explorer Team

Published

April 30, 2026

Modified

August 26, 2026

Illustrated—not observational—map of Europe with colored station points and connecting lines representing cross-border meteorological data exchange

Illustration of a European weather-station network connected across national borders

European weather observations are published by many national services, but MeteoGate gives users a shared place to discover and access participating datasets. The important change is not that one organization now owns all European weather data. It is that publishers can expose their data through common policies, metadata, and application interfaces while retaining ownership and control.

Climate Explorer’s EuroMeteo application uses one part of that system: the EUMETNET European surface-observation service. Its cross-border map shows what shared access can make practical, while also exposing the uneven station, variable, and timing coverage that a federated system retains.

One access framework does not mean one central database

EUMETNET describes MeteoGate as a “one-stop shop” for discovering and accessing European meteorological and hydrological data. Its documented architecture combines shared components—such as a data explorer and API gateways—with data-supply components operated centrally for high-value datasets or locally by national services.

That distinction matters. A common catalogue can make datasets easier to find, and a common API profile can make requests more consistent, but the original publisher still determines which stations, variables, reporting schedules, and licence conditions are available.

The EuroMeteo map therefore should not be read as a complete census of every operating station in Europe. It is a view of observations available through the E-SOH service and Climate Explorer’s archive at the selected time.

E-SOH provides the surface-observation layer

The official MeteoGate catalogue links to an EUMETNET surface-observation API described as an OGC Environmental Data Retrieval service for European meteorological observations. Its service metadata lists weather variables including temperature, wind, humidity, pressure, clouds, and radiation.

The associated E-SOH documentation describes four service parts:

  1. an ingestion interface that verifies incoming partner observations;
  2. a datastore supporting recent access;
  3. an EDR API for retrieving observations;
  4. a Records API for time-series metadata.

Climate Explorer adds its own archive from 5 March 2026, display field mapping, unit handling, preferred-variant selection, and plausibility checks. Those transformations make the interactive dashboard easier to use, but they also mean a EuroMeteo export is not an untouched replacement for the provider’s record.

WIS 2.0 supplies a broader exchange framework

WMO says the operational phase of WIS 2.0 began on 1 January 2025. The transition from the Global Telecommunication System is ongoing, with migration planned through 2030 and GTS decommissioning planned for 2033. WIS 2.0 uses global discovery, broker, cache, and monitoring services to support data discovery and notification over internet technologies.

MeteoGate documentation places its own discovery and access components alongside those WIS 2.0 services. It would therefore be inaccurate to say that WIS 2.0 instantly replaced every earlier exchange path, or that every MeteoGate request is itself a direct WIS 2.0 broker subscription. The systems are related, but they have distinct components and a staged transition.

EU high-value-data rules shape public access

Commission Implementing Regulation (EU) 2023/138 identifies meteorological data as one of six high-value dataset themes under the Open Data Directive. MeteoGate documentation says its framework supports publisher obligations under EU legislation and treats high-value datasets as accessible without barriers, while some other datasets may require registration.

This policy context helps explain why surface observations, radar, climate data, and warnings appear as prominent European APIs in the MeteoGate catalogue. It does not prove that every national observation or every historical record is available through one endpoint.

What shared access improves in practice

The clearest benefit is a repeatable cross-border query. A user can inspect station observations under one time reference and a shared parameter vocabulary without first learning a different portal for every country.

That capability is particularly useful for a weather system spanning several national networks. The June 2026 EuroMeteo analysis uses successive station maps to show how the area of highest observed temperatures changed over several days. The article does not treat those points as a continuous temperature field, a forecast, or formal attribution evidence.

Shared access can also reveal limitations sooner. Differences in station density, missing parameters, and reporting latency remain visible rather than being hidden by a continuous interpolation. For research or operational decisions, users still need to inspect station metadata, provider documentation, and official national products.

EuroMeteo is an interface, not the authority

Climate Explorer is not affiliated with EUMETNET. EuroMeteo retrieves and processes observations for interactive viewing and short-period downloads. It is useful for exploring available cross-border station data, but the authoritative source remains MeteoGate and the contributing publisher.

Use the EuroMeteo Explorer to inspect the current map. Use the station download guide when you need a reproducible WIGOS-ID, UTC-period, CSV, or Excel workflow. Consult the official API when you need complete upstream metadata, provider quality information, or records not retained by Climate Explorer.

What the system can—and cannot—establish

MeteoGate demonstrates that European meteorological data can be discovered and accessed through a shared framework without transferring all ownership to a central publisher. EuroMeteo demonstrates one public-facing use of the surface-observation service.

Neither fact establishes that coverage is complete, latency is uniform, observations are final, or a point value represents a country or region. Those limits are properties users must examine, not defects that a common interface can automatically erase.

Frequently Asked Questions (FAQ)

What is MeteoGate?

MeteoGate is an EUMETNET-run framework for discovering and accessing meteorological and hydrological data across Europe. It combines shared discovery and gateway components with data supplied by participating publishers.

What is E-SOH?

E-SOH is the European surface-observation high-value-dataset service linked from MeteoGate. Its EDR API provides access to available station observations, while its Records API provides time-series metadata.

Did WIS 2.0 already replace the GTS?

No. WIS 2.0 entered its operational phase on 1 January 2025, but WMO describes a transition period. Migration is planned through 2030 and GTS decommissioning is planned for 2033.

Does MeteoGate own the national observations?

No. MeteoGate documentation says national services can share data while retaining ownership and control. Coverage and conditions therefore remain dependent on the relevant publishers and data policies.

Is a EuroMeteo download the untouched E-SOH response?

No. Climate Explorer normalizes supported fields, converts units, selects preferred variants, and applies site-level checks for the Dashboard and export. Use the official service when the original response and provider metadata are required.

Data Annex

Data Annex: roles in the EuroMeteo data path
Layer Documented role What users should verify
National or other participating publisher Supplies observations and metadata Station identity, instrumentation, reporting practice, licence, and official status
E-SOH Ingests, stores, describes, and serves participating surface observations Available series, parameter definition, timestamp, and upstream metadata
MeteoGate Supports discovery and managed access across European datasets Endpoint, access conditions, API profile, and service notices
WIS 2.0 Provides a wider WMO discovery, notification, cache, and monitoring framework Transition status and the role of the specific WIS component
EuroMeteo Processes E-SOH observations for map, dashboard, and export use Climate Explorer transformations, archive cutoff, and display limitations
Data Annex: current Climate Explorer implementation
EuroMeteo property Current implementation
Local archive start 5 March 2026
Map variables Air temperature, precipitation amount, mean-sea-level pressure, wind speed
Time basis UTC
Standard station window Up to 31 days
High-frequency station window Up to 15 days for 10-minute or finer observations
Downloads Processed station rows in CSV or Excel

Data Sources