[Wrf-users] Query about ARW-WRF total precipitation calculation

Eric Altshuler ela at cola.iges.org
Thu Jun 28 15:00:08 MDT 2012


RAINC includes all phases of convective precip, and RAINNC includes all phases of non-convective precip. So total precip is given by RAINC + RAINNC.

Also note that WRF precip accumulates during the run and is never reset to zero, unless you specify this in the namelist.

Best regards,

Eric L. Altshuler
Assistant Research Scientist
Center for Ocean-Land-Atmosphere Studies
4041 Powder Mill Road, Suite 302
Calverton, MD 20705-3106

E-mail: ela at cola.iges.org
Phone: (301) 902-1257
Fax: (301) 595-9793

----- Original Message -----
From: mmkamal at uwaterloo.ca
To: wrf-users at ucar.edu, wrfhelp at ucar.edu
Sent: Thursday, June 28, 2012 1:51:24 AM
Subject: [Wrf-users] Query about ARW-WRF total precipitation calculation


Can any one please tell me how can I calculate the total precipitation  
from ARW-WRF output. Do I only need to add "RAINC + RAINNC" variables  
or I should also include "SNOWC + GRAUPELNC" with the former?

I would like to compare with meteorological station measurement, where  
they have calculated total precipitation as a sum of "Rain + Snow".

Thanks in advance

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