[gradsusr] Request of help to explore IMD rainfall dataset.

[Jayakrishnan P.R]

Dear Dr. Sinha,
                 For plotting or analysing IMD gridded rainfall data using
grads it is possible to open the data using grads. You need not convert it
into excell format eventhough it is possible to do it using grads. Whatever
statistics can be done spatially using grads.
In grads You have to open the ctl file as follows
open filename.ctl
set lat
set lon
d variable
Best of Luck....



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 Tue, Jan 6, 2015 at 5:54 PM, SINHA P.N. <p.n.sinha at durham.ac.uk> wrote:

>  Hi,
>
>
>
> I am totally new to GrADS and don’t really know whether it will solve my
> purpose or not. However thought to write and ask if it could be of any
> help.
>
>
>
> My problem is – I need to do rainfall analysis for my study area which
> falls within 21.25- 23.75 N latitude and 83.75-86.75 E longitude. I have
> Indian Metrological Department (IMD) rainfall data for 1971-2005 at 0.5
> degree resolution. My study area covers 25 cells (0.5 deg) of this dataset.
> In my research, I want to understand the hydrological behaviour of my
> catchments. For that, I want to do some simple statistical analysis using
> daily rainfall data (1971-2005) for my study area. However, as some of you
> know, this data is in ‘grd format’ thus it cannot be directly used in
> excel. I need to convert this data in text/ascii or any other format which
> can be opened in excel. I am very new to such type of work thus completely
> helpless to convert it in some usable format. While searching on internet,
> I came to know about this forum. So, I thought to write here and check –
>
>
>
> 1.       Is it the right platform which can help me in this problem?
>
> 2.       If yes, is there anyone who can help me in it? (I will highly
> appreciate any help in this regard! Even, simple guidelines  would help me
> to explore further. Using the guidelines available I could only convert
> ‘grd format’ into ‘prt format’ however I am unable to move forward.)
>
>
>
> Just for information, I acquired data from my university and it was
> purchased by university for the project of one student. However, the
> student already completed his PhD and left.  I tried to contact but could
> not reach him. I also tried to explore some other avenues but could not
> find any solution for my problem. So I just thought to share my problem in
> this forum.
>
>
>
> Any help will be much appreciated.
>
>
>
>
>
> With regards,
>
> P Sinha
>
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>
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