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4 times per day 08:00, 14:00, 20:00, and 00:00 UTC
00z and 12z: 1hr to 102hr
06z and 18z: 1hr to 72hr
By default the latest run on TWO is shown when you open this page.
Red shows the date
White dash shows midday
Resolution 0.1° x 0.1° (Europe)
ARPEGE uses a set of primitive equations with a triangular spectral truncation on the horizontal, with a variable horizontal resolution, with a
finite elements representation on the vertical and a “sigma-pressure” hybrid vertical coordinate.
It also utilizes a temporal two time level semi-implicit semi-lagrangian scheme. The horizontal resolution of the ARPEGE model is around 7.5km over
France and 37km over the Antipodes. It has 105 vertical levels, with the first level at 10m above the surface and an upper level at around 70km. Its time step is of 360 seconds.
Model information from the National Centre for Meteorological Research