%> ncl_filedump wrf.11102100.grb > dump.wrf.11102100
%> ncl_filedump wrf.11102112.grb > dump.wrf.11102112
The files are different sizes:
13295 Oct 27 07:32 dump.wrf.11102100
10171 Oct 27 07:32 dump.wrf.11102112
The files you sent do not contain the same variables
nor similarly sized forecast_time{0,4,5}.
Further, the grids look different.
%> diff dump.wrf.11102100 dump.wrf.11102112 | less
9,10c9,10
< filename: wrf.11102100
< path: wrf.11102100
---
> filename: wrf.11102112
> path: wrf.11102112
13,24c13,20
< forecast_time0 = 4
< g0_lat_1 = 151
< g0_lon_2 = 250
< lv_ISBL3 = 39
< forecast_time4 = 34
< g0_lat_5 = 179
< g0_lon_6 = 261
< lv_ISBL7 = 25
< lv_HYBL8 = 2
< forecast_time9 = 22
< g0_lat_10 = 179
< g0_lon_11 = 277
---
> forecast_time0 = 34
> g0_lat_1 = 179
> g0_lon_2 = 261
> lv_ISBL3 = 25
> lv_HYBL4 = 2
> forecast_time5 = 23
> g0_lat_6 = 179
> g0_lon_7 = 277
[snip]
wrf.11102100
float g0_lat_1 ( g0_lat_1 )
long_name : latitude
GridType : Cylindrical Equidistant Projection Grid
units : degrees_north
Dj : 0.3333333
Di : 0.3333333
Lo2 : 65
La2 : 59
Lo1 : -18
La1 : 9
float g0_lon_2 ( g0_lon_2 )
long_name : longitude
GridType : Cylindrical Equidistant Projection Grid
units : degrees_east
Dj : 0.3333333
Di : 0.3333333
Lo2 : 65
La2 : 59
Lo1 : -18
La1 : 9
wrf.11102112
float g0_lat_1 ( g0_lat_1 )
long_name : latitude
GridType : Cylindrical Equidistant Projection Grid
units : degrees_north
Dj : 0.333
Di : 0.3336231
Lo2 : 70
La2 : 55.922
Lo1 : -16.742
La1 : -3.352
float g0_lon_2 ( g0_lon_2 )
long_name : longitude
GridType : Cylindrical Equidistant Projection Grid
units : degrees_east
Dj : 0.333
Di : 0.3336231
Lo2 : 70
La2 : 55.922
Lo1 : -16.742
La1 : -3.352
On 10/27/11 2:35 AM, ahmed lasheen wrote:
> Hello
> the output of the WRF is quit large to upload so i have cut only two
> variable from the file (geopotential height and u wind component)
> but the size still quit large 250MB ,their name are
> wrf.11102100 and wrf.11102112
> i found from the ncl_fildump that one of them has more dimension than
> the other although they use GFS data
> the difference only is in the time 00 and 12 .
> is it a problem of how NCL read the grib or it is a problem related to
> the wrf itself .
> thanks
>
>> Would you be able to provide us with a sample file? You can put it on our anonymous ftp. Please see:
>>
>> http://www.ncl.ucar.edu/report_bug.shtml
>>
>> for ftp instructions.
>>
>> I noticed from your attached output files that you are getting a warning:
>>
>> warning:NclGRIB: Unknown grib parameter number detected (130, center 11, table version 2 grib record 172), using default variable name (VAR_130)
>>
>> These warnings should be paid attention to, because they could signify that NCL doesn't fully recognize the file.
>>
>> If we can get a sample file, we might be able to fix this problem soon.
>>
>> Thanks,
>>
>> --Mary
>>
>>
>>
>> On Oct 23, 2011, at 1:36 PM, ahmed lasheen wrote:
>>
>>> Hello
>>> i have problem in which the ncl_fildump of the WRF-NMM change from 00
>>> to 12 forcast cycles ,i donot know why , both run are identical in all
>>> things
>>> so what makes such changes , i am using the GFS data for intial and
>>> boundary condition for the WRF model.
>>> i have attached the output of ncl_filddump of both files.
>>> for example for 00 cycle
>>> forecast_time0 = 4
>>> g0_lat_1 = 151
>>> g0_lon_2 = 250
>>> lv_ISBL3 = 39
>>> forecast_time4 = 34
>>> g0_lat_5 = 179
>>> g0_lon_6 = 261
>>> lv_ISBL7 = 25
>>> lv_HYBL8 = 2
>>> forecast_time9 = 22
>>> g0_lat_10 = 179
>>> g0_lon_11 = 277
>>> lv_SPDY12 = 2
>>> forecast_time13 = 33
>>> forecast_time14 = 17
>>> forecast_time15 = 16
>>> forecast_time16 = 11
>>> forecast_time17 = 11
>>> and for the 12
>>> forecast_time0 = 34
>>> g0_lat_1 = 179
>>> g0_lon_2 = 261
>>> lv_ISBL3 = 25
>>> lv_HYBL4 = 2
>>> forecast_time5 = 23
>>> g0_lat_6 = 179
>>> g0_lon_7 = 277
>>> forecast_time8 = 33
>>> forecast_time9 = 17
>>> forecast_time10 = 16
>>> forecast_time11 = 11
>>> forecast_time12 = 12
>>>
>>> i don't know why this is occurring ?and how to get ride of these
>>> changes if i wanna to write script for operational work
>>> ahmed
>>>
>>> --
>>> ===============
>>> Ahmed Lasheen
>>> Junior researcher at Cairo Numerical Weather Prediction Center (CNWPC)
>>> Egyptian Meteorological Authority(EMA)
>>> Cairo,Egypt
>>> ===============
>>> <2112><2100>_______________________________________________
>>> ncl-talk mailing list
>>> List instructions, subscriber options, unsubscribe:
>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>>
>
>
>
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Received on Thu Oct 27 07:46:55 2011
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