What's the use of 500mb-1000mb thickness when...

[Rain All Night]

...its value is almost the same as the 500mb geopotential height?

[Rain All Night]

I've figured this out for myself. The thickness value has a "pure" relationship to the temperature and water content of the air, whereas the geopotential height is "adulterated" by the influence of the mean sea level pressure.

[knocker]

On 01/11/2022 at 17:50, RainAllNight said:

I've figured this out for myself. The thickness value has a "pure" relationship to the temperature and water content of the air, whereas the geopotential height is "adulterated" by the influence of the mean sea level pressure.

https://www.weather.gov/source/zhu/ZHU_Training_Page/Miscellaneous/Heights_Thicknesses/thickness_temperature.htm#GEOPOTENTIAL