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GRIB Model

ECMWF - European Centre for Medium-Range Weather Forecasts


Provider:European Centre for Medium-Range Weather Forecasts
Model scope:Global
Update frequency:every 12 hours
Resolution:0.4°, 24.0nm, 44.4km
Model duration:37 forecasts starting at 0 hr, ending at 10 days
Parameters:pressure, wind, rain, temperature, humidity, swell/wave combined, vertical velocity, precipitable water, 250 mb, 500 mb, 850 mb
GRIB model date:Sun Oct 2 00:00:00 2022 UTC
Download date:Sun Oct 2 08:02:15 2022 UTC
Download delay:8hr 02min

Note: the Download delay is the amount of time required for the GRIB model to compute its forecast and then for the LuckGrib cluster to download the data and make it available. The LuckGrib delay is generally less than 10 minutes, the remainder of the delay is the model compute time.

Description

The ECMWF, European Centre for Medium-Range Weather Forecasts, sometimes called the Euro model, has long been well respected, and by many, considered to be the (current) leading weather model world wide. Many sailors and meteorologists have wanted access to the ECMWF model.

On January 25th, 2020, ECMWF announced that they were expanding the range of data they are making available to the public. This new public data includes sea level pressure, 10m wind, 2m temperature, wave state, along with wind and height information at various pressure levels, for example: 850mb, 500mb and 250mb (the boundary layer, mid-atmosphere, and the jet stream.) All of this data has a resolution of 0.4 degrees.

Prior to this change, there was a public domain subset of the ECMWF data which provided sea level pressure, 850mb wind and 500mb height, at a 0.5 degree resolution.

This new data set should be interesting for sailors. Having access to surface wind and pressure allows this data to be used in evaluating ocean routes. This new data can also be used by the LuckGrib Weather Routing system.

In the announcement, ECMWF stated:

The plan is to expand open data in the future by adding more data.

It will be interesting to see how their public data evolves.

This is a welcome new addition to the data that sailors and meteorologists now have freely available to them.

Thank you to the ECMWF for making this new data available!

License terms

In ECMWF’s announcement, they noted that the licensing terms for this data are the following:

Use of the data is governed by the Creative Commons CC-4.0-BY licence and the ECMWF Terms of Use. This means that the data may be redistributed and used commercially, subject to appropriate attribution.

As is the case with all weather service providers, ECMWF wish to attach a disclaimer to the use of their data:

Disclaimer: ECMWF does not accept any liability whatsoever for any error or omission in the data, their availability, or for any loss or damage arising from their use.

This standard disclaimer applies to all data provided through the LuckGrib service, as has always been the case.

Their is also a copyright statement that applies to the data provided by ECMWF:

Copyright “© [[year]] European Centre for Medium-Range Weather Forecasts (ECMWF)”.

Where [[year]] is replace with the current year.

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