fatal:Div: operator failed, can't continue

From: wei huang <whua27_at_nyahnyahspammersnyahnyah>
Date: Mon Jan 31 2011 - 07:09:25 MST

Dear NCL users,

I got an error to calculating saturated mixing ratio from the wrf water
vapor mixing ratio. I donít know my assumption is correct or not. Could
anyone help me to figure out the problem or any advice about it?

Thanks
wei

  a = addfile("wrfout_02.nc","r")

   P = a->P ; perturbation

   Pb = a->PB ; base state pressure

   P = P + Pb ; total pressure

   T = a->T ; perturbation potential temperature

   tk = T + 300.

   qv = a->QVAPOR/1000 ; water vapor mixing ratio(g/kg)

   RH = wrf_rh (qv, P*.01, tk) ; P*0.01 converts Pa to hPa

   printVarSummary(RH)

   qvs = (qv/RH)*100 ; saturated water vapor mixing ratio(g/kg)

   printVarSummary(qvs)

end

;*****************************************

Variable: RH

Type: float

Total Size: 102667500 bytes

            25666875 values

Number of Dimensions: 4

Dimensions and sizes: [24] x [39] x [south_north | 160] x [west_east |
105]

Coordinates:

Number Of Attributes: 2

units : %

description : Relative Humidity

fatal:divide: Division by 0, Can't continue

fatal:Div: operator failed, can't continue

fatal:Execute: Error occurred at or near line 16 in file

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Received on Mon Jan 31 07:09:31 2011

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