• The Chatel Snow Report

28/01/2021: Today's Updates...


Update 8.25am:

A look at the forecast level of the 0c isotherm from the Arome model (generally more accurate than GFS etc). An approximate guide is that the snow/rain boundary is 300m below the 0c isotherm level (+/- 150m). It looks as though rain may rise close to the very top of the Chatel ski area at times...


0c Isotherm Level Today

2050m at 1pm

2270m at 2pm

2179m at 5pm

2248m at 9pm

2172m at midnight.


0c Isotherm Level Friday

2106m at 2am

2263m at 4am

2243m at 6am

2100m at 8am

1852m at 10am

1646m at midday

1654m at 4pm

1579m at 7pm.


The forecast for Friday suggests that the return of the snow line down to the village is far from certain and it may stay damp at 1200m.


Thereafter, beyond the range of the Arome model, the Arpege model suggests the 0c isotherm could come down to around 1400m for a time on Friday night, before rising again to 2100m by Saturday morning. During Saturday, it could come down again to between 1500m and 1800m, with a similar situation for Sunday, so snowfall for the village is hanging in the balance at the weekend, if these 0c isotherm forecasts are correct. One caveat is that the the snow can come down lower than 300m below the 0c isotherm, during periods of heavier precipitation, especially when the winds area light higher up, a process known as evaporative cooling.


With all the rain and snow, the situation in the mountains is potentially heading into very dangerous territory in terms of the risk of avalanches and localised flooding. The highest volumes of rain and snow are forecast to be to the south of this area, especially in the Mont Blanc massif, but the totals in this area could be very high (100mm to 150mm of rain).


Below is the Arpege precipitation accumulation forecast graphic (from www.meteociel.fr ). Areas above 2000m will see alot of snow!





Update 7.20am:

Bonjour from Chatel.


Rain is falling this early this morning, which has had some icy its and pieces mixed in which has left some thin, slushy deposits on the vehicles, however, a wet day is expected across most elevations of the ski area. Rain is expected to continue through into tomorrow, with the snow/rain boundary coming down at some stage during Friday. Rain and snow looks like continuing on Saturday.


There will be an update looking at the 0c isotherm level and when the snow might return to the village - on the next update expected before 10am...



Most updates and photos this season are posted on the WhatsApp members group


Link to the page which tracks the snowfalls in Chatel over the season:

Chatel Snowfall Measurements



The lifts on the ski area are closed until further notice.

Bars, restaurants and cafes are expected to remain closed until further notice (takeaway services allowed).

Although confinement has ended in France - an overnight curfew is in place from 6pm to 6am.

Private gatherings indoors should be kept to a maximum of 6 adults according to advice from the French government.

Travel between regions in France is allowed.

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