[Wrf-users] Graupelnc and sr clrification

[Geeta Geeta]

Hi. 
I am trying to understand the sensitivity of the micro physics schemes in WRF. For this I have taken up a few cases of hailstorms in my region. 
I have used micro phy 10 [morrison). 
I am getting the qgraupel(QGRAUP and QNGRAUP) variable at a few levels. But when I plot GRAUPELNC/ I always get constant field 0. this is the case for a few other microphy schemes as well. 
I want to know what this variable represents. Also ARWpost also gives me SR (fraction of frozen precipitation). My questions are 
How are these two variables different. 
Secondly, how these two are generated. 

Clarification into these would be of a great help. 
Geeta

 		 	   		  
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