Label : GRIB

OpenSkiron no longer responds !

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For just over a month the website OpenSkiron which delivers the GRIB files for free OpenWRF is no longer available. These alternative high-resolution files (¹) provide fine grid coverage of the Mediterranean, where the Arome model stops.

Apparently, probably due to their Israeli connections, David Gal's website was the victim of a serious computer attack. Thus, OpenSkiron is expected to be offline for a while. It remains to be hoped that he will be able to resume his activities as quickly as possible.. (²)

David Gal is a scientist attached to The Leon Recanati Institute for Maritime Studies in Haifa.

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(¹) Alternative weather models [Update]
(²) Source : forum Yachting & Boating World
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Currents and waves at hectometric resolution from Ifremer (Episode 2)

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Episode 2 – Illustrations

Forecasts IFREMER (see Episode 1) available in Weather4D are of two kinds :

    • Current forecasts from the MARS2D model
    • Sea state forecasts (combined currents and waves) based on WW3 model

These files concern areas of the Channel and Atlantic whose coverage and resolutions are significantly different. Read more …

Currents and waves at hectometric resolution from Ifremer (Episode 1)

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Episode 1 – Description

Since 7 May 2024 the latest versions of Weather4D have been enriched with several new weather and ocean models (¹). Among the latter, ultra-high resolution current and wave forecast models from’Ifremer come in addition to Copernicus models (formerly called MyOcean) for the Channel and Atlantic coasts. These forecasts are provided with hectometric grids, can be reduced up to 190 meters for some models. So Ifremer, what is ? Read more …

GRIB files and time zones

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An incomprehensible malfunction occurred recently for a Weather4D user, sailing in a “lost hole” on the edge of the Indian Ocean, namely the Cocos Islands, challenged me to the point of getting lost in conjectures. A GFS file due ten days ago categorically refused to be displayed in the application with the date, damn !

This unfortunate sailor - for which I would like to thank him - forced me to make a determined search for the cause of the problem.. After much procrastination, explorations of settings that may be faulty, since no other user had reported such a problem to us, the light finally came out ! Read more …

Weather4D renews its GRIB model offering

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Latest releases Lite, Routing, Routing & Navigation arrive with a full renewed list of weather and ocean models in order to allow users to benefit from the evolution of the offer of international forecasting models. At the same time, all GRIB files go to format GRIB-2, this allows for a reduction in their size and a better compression ratio. Read more …

The European Union is moving towards Open Data

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Europe is moving forward slowly, but she moves forward… towards free access to data from public services ! March, the 21 December 2022 was published in the Official Journal of the European Union, under the reference C/2022/9562, The " Regulations of the European Commission establishing a list of specific high-value datasets and the modalities of their publication and re-use". Read more …

Share GRIB files with Air Share [Update]

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More and more of you have adopted the Iridium GO! for its easy way to request GRIB files, directly from Weather4D and some other applications. But some also want to transfer these files to a PC to import them into Windows software. (as you know, no one is perfect !). An easy solution is available : the messaging app Air Share, compatible iOS/iPadOS (¹). [Update 30 th 2022] Warning : the application has changed its identifier code on the AppStore. Read more …

ECMWF weather data soon open to public [3rd part]

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Trafalgar Hit for the flagship of European meteorology, despite Brexit and contrary to what had been planned (¹), the European Center for Medium-Range Weather Forecast will stay in England ! Even better, a new headquarter for ECMWF to be fully funded by the UK government through the Department for Business, Energy and Industrial Strategy. Proof that the British have gone all out to keep this European scientific hotspot in Reading (²). Read more …