[gradsusr] Descriptor file for TOS data from CMIP5 output

Cecil khumo Monaka cecilmonaka at gmail.com
Thu Apr 9 05:26:49 EDT 2015 

help. how can i calculate and display Convective Available Potential Energy
(CAPE) on grads

On Wed, Apr 8, 2015 at 1:19 PM, Jayakrishnan P.R <prjayakrishnan at gmail.com>
wrote:

> While doing conversion in CDO as you mentioned, some error or data
> manipulation might have occurred. It is the problem with CDO converted data.
>
> Sincerely
> ***********************************************
> Jayakrishnan.P.R
> Project Scientist-C
> National Centre for Medium Range Weather Forecasting
> Earth System Science Organisation
> Ministry of Earth Sciences
> A-50, Sector 62, NOIDA -201 309, INDIA
> Mob: 09496026547
> Alternate Email: jkrishna at ncmrwf.gov.in
>
> ***********************************************
>
> On Wed, Apr 8, 2015 at 4:43 PM, Rekha Bharali <rekha.bharali06 at gmail.com>
> wrote:
>
>>
>> There is some problem with the resolution. If you check the lat-lon of
>> your file, the resolution of both
>> lat and lon is not of 1 degree. Lat from -81.5 to 29.5 is of 1 degree
>> then it changes fractionally i.e.
>>
>> for example:
>> -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5,
>>     -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5,
>>     -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5,
>>     -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5,
>>     -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5,
>>     -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5, -29.5,
>>
>> .................................................................................................
>>
>> .................................................................................................
>>  -28.50091, -28.50091, -28.50091, -28.50091, -28.50091, -28.50091,
>>     -28.50091, -28.50091, -28.50091, -28.50091, -28.50091, -28.50091,
>>     -28.50091, -28.50091, -28.50091, -28.50091, -28.50091, -28.50091,
>>     -28.50091, -28.50091, -28.50091, -28.50091, -28.50091, -28.50091,
>>
>> .................................................................................................
>>
>> .................................................................................................
>> -27.50821, -27.50821, -27.50821, -27.50821, -27.50821, -27.50821,
>>     -27.50821, -27.50821, -27.50821, -27.50821, -27.50821, -27.50821,
>>     -27.50821, -27.50821, -27.50821, -27.50821, -27.50821, -27.50821,
>>     -27.50821, -27.50821, -27.50821, -27.50821, -27.50821, -27.50821, and
>> so on
>>
>>
>> Even Lon also is not of 1degree resolution. For example;
>>  -279.7281, -279.1842, -278.64, -278.0952, -277.5495, -277.0028,
>> -276.4548,
>>     -275.9053, -275.354, -274.8007, -274.2451, -273.687, -273.1262,
>>     -272.5623, -271.9951, -271.4244, -270.8499, -270.2713, -269.6883,
>>     -269.1007, -268.5081, -267.9102, -267.3068, -266.6975, -266.082,
>> -265.46,
>>     -264.8311, -264.195, -263.5513, -262.8996, -262.2396, -261.5709,
>>     -260.8931, -260.2057, -259.5083, -258.8005, -258.0818, -257.3519,
>>     -256.61, -255.8559, -255.0889, -254.3086, -253.5143, -252.7056,
>>     -251.8819, -251.0425, -250.1869, -249.3144, -248.4245, -247.5164,
>>     -246.5895, -245.6432, -244.6767, -243.6894, -242.6806, -241.6495,
>>     -240.5955, -239.5179, -238.4159, -237.2889, -236.1363, -234.9573,
>>     -233.7514, -232.5179, -231.2563, -229.9661, -228.647, -227.2983,
>> -225.92,
>>     -224.5118, -223.0735, -221.6052, -220.107, -218.5791, -217.0219,
>>     -215.436, -213.822, -212.1808, -210.5136, -208.8214, -207.1056,
>> -205.368, and so on
>>
>>
>> So problem is not with your script but with the resolution. That is why I
>> was asking for
>> the range of lat-lon.
>>
>> Because of mismatch of resolution the image of tos got distorted.
>>
>>
>>
>> On Wed, Apr 8, 2015 at 2:16 PM, Jayakrishnan P.R <
>> prjayakrishnan at gmail.com> wrote:
>>
>>> It seems that latitude is not 1 degree resolution. The ncdump of the
>>> file is as follows
>>>
>>> 65.04243, 65.12708, 65.21143, 65.29546, 65.37913, 65.46243, 65.54534,
>>>     65.62783, 65.70989, 65.7915, 65.87263, 65.95326, 66.03338, 66.11296,
>>>     66.19199, 66.27044, 66.3483, 66.42554, 66.50217, 66.57814, 66.65345,
>>>     66.72808, 66.80201, 66.87522, 66.9477, 67.01944, 67.09041, 67.1606,
>>>     67.22999, 67.29858, 67.36633, 67.43325, 67.49931, 67.56451,
>>> 67.62882,
>>>     67.69224, 67.75475, 67.81633, 67.87698, 67.93667, 67.99541,
>>> 68.05317,
>>>
>>>
>>> whereas longitude is 1 degree
>>>
>>>
>>> -279.5, -278.5, -277.5, -276.5, -275.5, -274.5, -273.5, -272.5, -271.5,
>>>     -270.5, -269.5, -268.5, -267.5, -266.5, -265.5, -264.5, -263.5,
>>> -262.5,
>>>     -261.5, -260.5, -259.5, -258.5, -257.5, -256.5, -255.5, -254.5,
>>> -253.5,
>>>     -252.5, -251.5, -250.5, -249.5, -248.5, -247.5, -246.5, -245.5,
>>> -244.5,
>>>     -243.5, -242.5, -241.5, -240.5, -239.5, -238.5, -237.5, -236.5,
>>> -235.5,
>>>     -234.5, -233.5, -232.5, -231.5, -230.5, -229.5, -228.5, -227.5,
>>> -226.5,
>>>
>>> Kindly fix this.
>>>
>>>
>>>
>>> Sincerely
>>> ***********************************************
>>> Jayakrishnan.P.R
>>> Project Scientist-C
>>> National Centre for Medium Range Weather Forecasting
>>> Earth System Science Organisation
>>> Ministry of Earth Sciences
>>> A-50, Sector 62, NOIDA -201 309, INDIA
>>> Mob: 09496026547
>>> Alternate Email: jkrishna at ncmrwf.gov.in
>>>
>>> ***********************************************
>>>
>>> On Wed, Apr 8, 2015 at 12:41 PM, Anis Purwaningsih <
>>> anispurwaningsih49 at gmail.com> wrote:
>>>
>>>> Here i attached the sample file.
>>>> The file had modified in CDO before..
>>>> ​
>>>>  Bcc-MERGE.nc
>>>> <https://docs.google.com/file/d/0BzR2oUlA1YcydEd2VUdNZTAwXzA/edit?usp=drive_web>
>>>> ​
>>>>
>>>> *Regards*
>>>> *Anis Purwaningsih*
>>>> *Student of Applied Meteorology, Bogor Agricultural University*
>>>> *Dramaga, **Bogor , West Java, *
>>>> *Indonesia 16680 *
>>>> *+6285695222198 <%2B6285695222198> *|
>>>> * 7DF0B48E | @anispurwa*
>>>>
>>>> On Wed, Apr 8, 2015 at 1:03 PM, Rekha Bharali <
>>>> rekha.bharali06 at gmail.com> wrote:
>>>>
>>>>> Actually I want to know the range means -279.5 to ? and -81.5 to ?
>>>>> can you send a sample file?
>>>>>
>>>>> On Wed, Apr 8, 2015 at 11:24 AM, Anis Purwaningsih <
>>>>> anispurwaningsih49 at gmail.com> wrote:
>>>>>
>>>>>> ​Hi Matias,
>>>>>> Thanks for the answer.
>>>>>> This is the dimensions of my data (result of ncdump -h)
>>>>>> dimensions:
>>>>>> x = 360 ;
>>>>>> y = 232 ;
>>>>>> time = UNLIMITED ; // (360 currently)
>>>>>> nb2 = 2 ;
>>>>>> the y dimension is 232
>>>>>> is the problem come from the start point or the resolution?
>>>>>> YDEF y 232 LINEAR *-81.5 1*​
>>>>>>
>>>>>> ​
>>>>>> *​Regards*
>>>>>> *Anis P*​
>>>>>>
>>>>>> ​
>>>>>> Rekha,
>>>>>> My data is global data.
>>>>>> how to increaced the value of XDEF x and YDEF y?
>>>>>>
>>>>>> *​​Regards*
>>>>>> *Anis P*
>>>>>>
>>>>>>
>>>>>> On Wed, Apr 8, 2015 at 12:26 PM, Rekha Bharali <
>>>>>> rekha.bharali06 at gmail.com> wrote:
>>>>>>
>>>>>>> I think Matias is write. The same problem happens with me. I just
>>>>>>> increased the values of XDEF x and YDEF y by one grid point, then it works.
>>>>>>> What is the spatial coverage of your data. Then I may help you.
>>>>>>>
>>>>>>> On Wed, Apr 8, 2015 at 10:44 AM, Matias Mendez <
>>>>>>> matias.mendezp at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hello Anis:
>>>>>>>>
>>>>>>>> I think the problem is on Y dimensions:
>>>>>>>>
>>>>>>>> YDEF y *232* LINEAR -81.5 1
>>>>>>>>
>>>>>>>> Your picture shows latitude > 90N! (approximately 150N)
>>>>>>>>
>>>>>>>> You can get dimensions of your file with the following instruction:
>>>>>>>>
>>>>>>>> ncdump -h  Bcc-merge.nc
>>>>>>>>
>>>>>>>> Good luck.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Matias
>>>>>>>>
>>>>>>>>
>>>>>>>> 2015-04-07 23:51 GMT-05:00 Anis Purwaningsih <
>>>>>>>> anispurwaningsih49 at gmail.com>:
>>>>>>>>
>>>>>>>> Rekha,
>>>>>>>>> Thanks for the answer.
>>>>>>>>> The lat-lon is not in reverse order.
>>>>>>>>> I had tried to add OPTION yrev, but it doesn't work.
>>>>>>>>> With this email, i attach the result of my descriptor file.
>>>>>>>>> The picture will explain what i mean (lat-lon not match).
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> *Regards*
>>>>>>>>> *Anis P*
>>>>>>>>>
>>>>>>>>> On Wed, Apr 8, 2015 at 11:02 AM, Rekha Bharali <
>>>>>>>>> rekha.bharali06 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> By "the lon and lat didn't match" do you mean lat-lon is  in
>>>>>>>>>> reverse
>>>>>>>>>> order. Then you can try:
>>>>>>>>>>
>>>>>>>>>> OPTIONS yrev
>>>>>>>>>>
>>>>>>>>>> Hope it will help
>>>>>>>>>>
>>>>>>>>>> With regards
>>>>>>>>>> Rekha
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>>
>>>>>>>>>> .......................................................................
>>>>>>>>>> Rekha Bharali Gogoi
>>>>>>>>>> Scientist 'SC'
>>>>>>>>>> NE-SAC
>>>>>>>>>> Dept. of Space
>>>>>>>>>> Govt. of India
>>>>>>>>>> Meghalaya
>>>>>>>>>> _______________________________________________
>>>>>>>>>> gradsusr mailing list
>>>>>>>>>> gradsusr at gradsusr.org
>>>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> gradsusr mailing list
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>>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> gradsusr mailing list
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>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>>
>>>>>>> .......................................................................
>>>>>>> Rekha Bharali Gogoi
>>>>>>> Scientist 'SC'
>>>>>>> NE-SAC
>>>>>>> Dept. of Space
>>>>>>> Govt. of India
>>>>>>> Meghalaya
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> gradsusr mailing list
>>>>>>> gradsusr at gradsusr.org
>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> gradsusr mailing list
>>>>>> gradsusr at gradsusr.org
>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> .......................................................................
>>>>> Rekha Bharali Gogoi
>>>>> Scientist 'SC'
>>>>> NE-SAC
>>>>> Dept. of Space
>>>>> Govt. of India
>>>>> Meghalaya
>>>>>
>>>>> _______________________________________________
>>>>> gradsusr mailing list
>>>>> gradsusr at gradsusr.org
>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>
>>>>>
>>>>
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>>>>
>>>
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>>>
>>
>>
>> --
>> .......................................................................
>> Rekha Bharali Gogoi
>> Scientist 'SC'
>> NE-SAC
>> Dept. of Space
>> Govt. of India
>> Meghalaya
>>
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
>>
>>
>
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