[Wrf-users] tmn_update leads do unrealistic soil temperatures

[Heimo Truhetz]

Dear all,

when I make use of the tmn_update option in the NOAH LSM (WRF-ARW
v3.7.1), the lowest soil layer becomes unrealistically cold after a
simulation period of about two and a half months: for instance, the
lowest soil layer freezes in Northern Africa (Sahara).

Is there somebody else, who has seen this strange behavior?

Does anybody have a clue on this?


I use the WRF-ARW v3.7.1 and drive it with ERA-Interim. The model domain
covers an extended area over Europe.


Cheers,

Heimo