The blog
Episode 2 – Illustrations
Forecasts IFREMER (see Episode 1) available in Weather4D are of two kinds :
These files concern areas of the Channel and Atlantic whose coverage and resolutions are significantly different. Read more …
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 …
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 dates, 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 …
Latest releases Lite, Routing, Routing & Navigation arrive with a completely revised 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 switch to the GRIB-2 format, This allows for a reduction in their size and a better compression ratio. Read more …
As a result of the prediction of an episode El Niño started in March 2023 (¹) and confirmed the following June (²), this climatic phenomenon of the Pacific Ocean, called ENSO (El Niño Southern Oscillation), strengthened until the end of December, early January 2024.
The February ENSO forecast developed by the U.S. Climate Prediction Center predicts that we are on the eve of an episode La Niña, even though the Pacific Ocean is still affected by the El Niño episode. According to forecasts, there is 79 % chance that El Niño will become neutral by April-June, and 55 % chance that the Pacific will return to ENSO La Niña between June and August.
Updated 1.9 tutorials :
Fix implemented GOexec® with Weather4D
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El Niño continues to develop in the tropical Pacific. Forecasters expect the phenomenon to continue into the spring, with 75 up to 85 % chances of it becoming an intense event. A stronger El Niño – The definition of which follows – means it's more likely that we'll see its effects reflected in winter temperatures and rain-and-snow patterns around the world.
Source & screenshots : NOAA – Emily Becker Freely translated. Read more …
Updated 1.8 tutorials :
98 pages – 75 screenshots – 2 videos
And updates are always free !
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After three years of La Niña (¹) in the tropical Pacific Ocean (mid-2020 to mid-2023) having brought a fairly calm weather situation on Polynesia : regular trade winds, lack of hurricane, mainly dry weather, this idyllic situation will be reversed with the announced return (²) of the El Niño phase of the ENSO climate phenomenon(El Niño Southern Oscillation). Finally, idyllic, it wasn't for Southeast Asia, Indonesia, Melanesia and western Australia, which experienced much higher than normal intense rainfall and increased hurricanes during the same period. Read more …
Florence Rabier, CEO of ECMWF, has developed February the 13 th European Centre for Medium-Range Weather Forecast about 2023 (¹). She announced a major update to the forecasting model. IFS (²) scheduled for June 2023. Read more …