[gradsusr] trmm

[Rupak Rajbhandari]

Sreekanth,

You do not need to download the netcde format. The 3B42 (3hrly) data is
already in gridded binary format and you can display it directly in grads. I
am sending you the "ctl" file so that you can use it. All you need to do is
edit the path ("dset") and starting date plus the tottal number of files in
the directory ("tdef").

--
Rupak Rajbhandari
Department of Meteorology
Tri-Chandra Campus
Kathmandu


On Sat, Feb 12, 2011 at 1:33 PM, SREEKANTH T.S <chlsreeekanth at gmail.com>wrote:

> printim is not working it is showing 'not supported in this build", how can
> i save the plotted graphs
>
>  On Sat, Feb 5, 2011 at 11:15 PM, Muhammad Rahiz <
> muhammad.rahiz at ouce.ox.ac.uk> wrote:
>
>> 1. Need to provide the format of your TRMM data e.g. netcdf, grib, ctl.
>> 2. Are you using a 360 day calendar?
>>
>> Other comments in the body of original message (not tested).
>>
>> --
>> Muhammad Rahiz
>> Researcher & DPhil Candidate (Climate Systems & Policy)
>> School of Geography & the Environment
>> University of Oxford
>>
>> On Sat, 5 Feb 2011, SREEKANTH T.S wrote:
>>
>> > dear grads users
>> > i have downloaded 3 hourly trmm data.
>> > 1.i want to plot hourly variation of rain rate at a particular lat lon
>> for
>> > each day.
>>
>> Your data is 3 hourly - this means that you can only have 8 time steps in
>> a day and not 24 timesteps. You can try the following which gives you the
>> plot (time series) of one day.
>>
>> 'set t 1 8' * 8 timesteps = 1 day given your 3hourly data
>> 'set lon 60'
>> 'set lat 40'
>> 'd var'
>>
>> > 2. also wanted to plot the daily variation of rain rate for an area.
>> > but i dont know how to write the .ctl file
>> > being a beginer can anyone help me, please?
>>
>> Not sure what you mean by writing a ctl file. You dont need to write a ctl
>> file to plot in GrADS.
>>
>> 'set lon 60 100'
>> 'set lat 20 40'
>>
>> 'd ave(variable,t=1,t=8)'  * this is for day 1
>> 'printim day1.png white'
>>
>> 'd ave(variable,t=9,t=16)' * this is for day 2
>> 'printim day2.png white'
>>
>>
>> > sreekanth T S
>> > doctorate student
>> > cess, kerala
>> >
>> >
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>
>
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