WRF total precipitation - RAINSH?

Topics related to current and future physics in the WRF as well as any problems you may have.

WRF total precipitation - RAINSH?

Postby regnos » Mon Feb 04, 2019 1:21 pm

I am posting here as I have found that there is a lot of conflicting information available concerning how to calculate total precipitation from WRF outputs and I’m hoping someone might be able to help resolve it!

The majority of the time, I have found that total precipitation is:
Total Precip = RAINC + RAINNC

Eg:
1) https://www.researchgate.net/post/How_to_calculate_daily_precipitation_from_WRF_output

2) http://www.meteo.unican.es/wiki/cordexwrf/OutputVariables

3) http://forum.wrfforum.com/viewtopic.php?f=9&t=3202

4) http://mailman.ucar.edu/pipermail/wrf-users/2012/002781.html

5) Slides made by Dudhia (Dudhia_wrf_physics2)

4 and 5 were especially helpful in that they clearly stated that [RAINC + RAINNC] is precipitation, and that SNOWC/SNOWNC, GRAUPELC/GRAUPELNC are subsets of RAINC/RAINNC (and so shouldn't be included in total precipitation).


However, it is not clear whether RAINSH should also be included in total precipitation.
Total Precip = RAINC + RAINNC + RAINSH

A clear answer is given here http://forum.wrfforum.com/viewtopic.php?f=9&t=4194 , stating that RAINSH should also be included. Is this the case? If so, it seems that all the above links are missing a variable for total precipitation.

Thank you for your help!
regnos
 
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