Paragliders

@ivo Tak už tam jsou i celosvětová data. Jednak prosím o přejmenování na „Paragliding takeoffs“. A jednak prosím o instrukce, jak postupovat pro integraci přímo do Windy.

Please remove my plugin Aladin wind (windy-plugin-aladin). The data source is gone and it's not probable that it will be back.

Please also remove the plugin Paragliding flyability (windy-plugin-pg) which is not mine. Its data source is also gone, https://pg-api.ovh/ is not even in the DNS anymore. This plugin didn't work for long periods in the past. I've contacted the author several times which always helped only for a short time.

ECMWF contains airData.header.modelElevation but the other models don't have it. There's only airData.header.elevation which is the real elevation of the place and it could be off by 500 meters or more from the average elevation of the triangle considered by the model (e.g. in mountains). This makes sounding unusable with these models because we know the ground temperature (temp-surface) but we don't know where the surface is. There's no header.modelElevation and data['gh-surface'] contains only null.

Can we please get modelElevation for the other models too? I believe it must be somewhere otherwise the *-surface values wouldn't make sense.

@ivo To by bylo skvělé, díky za nabídku. Seženu celosvětová data a dám vědět.

My plugin https://www.windy.com/plugins/windy-plugin-pg-mapa now also uses data from DHV and covers the whole Europe. Can you please change the title and the description?

Czechia and Slovakia -> Europe
paragliding-mapa.cz -> paragliding-mapa.cz and dhv.de (please link https://www.dhv.de/db3/gelaende/)

To download this video just click with right mouse button on this link and select "Save link as..."

This video is licenced under Creative Commons licence (CC-BY 3) and can be used/modified freely in any possible way. Just mention Windy.com

Create your own animation at https://www.windy.com/animate

@matikru yes you still need to interpret what you see. In your screenshot the air is stable (converging lines that I mentioned in a previous message) + there seems to be stratus where the blue line is close to the red line below 1000m

@matikru

Mostly what I mean is that the rising air don't get as warm as the ground.

I think that rising air typically needs a few more degree than the surrounding air to rise.

@matikru The green line starts at air temperature + some constant (4 or 5C if I remember correctly).

Check a typical example:

You can see that the value of the constant usually doesn't matter that much for the days we are interested in. You have to remember that we look at a model which is an imperfect prediction plus the nature of the soil varies greatly inside a single cell of the model (cells are 9x9km for ECMWF).

In practice it works reasonably well. The air close to the ground doesn't usually get warmer as it would start rising.

If the cloud cover is thick it might be harder for the air temperature to become that warm.

If the temperature (red) and green line (parcel) slowly converge instead of being parallel, that could also be due to the poor resolution of the model (there are not that many points along the altitude axis).

Hope this helps.

You can use the plugins on mobile by visiting windy.com/plugins in your browser.

However for security reasons the plugins can not be loaded within the mobile app.