[RegCNET] Problem with Semi Lagrangian advection and Grell Instability

Dhirendra Kumar dhirendra.cub at gmail.com
Tue Sep 29 05:57:27 CEST 2015


Dear RegCNET users,

I am trying to use Mixed scheme (Grell over land and Emanuel over ocean)
for one year simulation (1988) with 3 month spin up. I've put on the semi
Lagrangian advection while using the subgrid (nsg=5) scheme.

I am getting the following error with the first day of my simulation

  SL Advection problem in SN direction !
 Cannot compute DP at J =          111
                      I =           89
 -------------- FATAL CALLED ---------------
  Fatal in file: mod_sladvection.F90 at line:      175
 SLADVECTION
 -------------------------------------------
 Abort called by computing node           27 at 2015-09-29 01:26:01.581
+0530
 Convection has reached column top!
 Hydrostatic model cannot procede.
 Try decreasing horizontal resolution
 I mean increase ds!!!
 -------------- FATAL CALLED ---------------
  Fatal in file: mod_cu_grell.F90 at line:      327
 GRELL INSTABILITY!
 -------------------------------------------
 Abort called by computing node           28 at 2015-09-29 01:26:01.627
+0530
application called MPI_Abort(comm=0x84000000, 1) - process 27
application called MPI_Abort(comm=0x84000000, 1) - process 28


​I could not figure out what mistake I've made. Please help me in this
regard.
I've attached the snapshot of the error as well as the namelist file for
the reference.
Any help would be appreciated.

Thanks​

-- 
========================================
Dhirendra Kumar
UGC-JRF
School of Environmental Sciences, JNU
New Delhi (India)
Contact: +91 9910778043
Alternate email: dhirendra.cub at outlook.com
=========================================
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