Re: Skew-t plots and raw format

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Fri Jun 07 2013 - 15:22:08 MDT

NCL does not have a decoder.

GEMPAK may have this capability.

===
In NCL you can still do as I suggested previously

      raw = asciiread("raw_sounding", -1, "string")

str_fields_count
str_get field

then use the str* and "tofloat" to extract the information.

On 6/7/13 11:37 AM, Luis Cesareo Cana Cascallar wrote:
> Hi Dennis,
>
> thanks for the information found in RAOB. But what Im trying is different: I mean the original WMO soundings, (UWYO calls then *.raw). Im looking for an existing procedure to decode WMO soundings and then plot it with the mentioned NCL script. Attached I send an example of a raw sounding file.
>
> Thanks in advance,
>
> Luis
>
> De: Dennis Shea
> Enviado el: viernes, 7 de junio de 2013 15:30
> Para: Luis Cesareo Cana Cascallar
> CC: ncl-talk@ucar.edu
>
> I found the following:
>
> http://www.raob.com/assets/downloads/rawformat.pdf
>
> You can read an entire file (one sounding per file) as a 'string'
>
> raw = asciiread("raw_sounding", -1, "string")
>
> then use the str* and "tofloat" to extract the information.
>
> http://www.ncl.ucar.edu/Document/Functions/string.shtml
>
> Good luck
>
>
> On 6/7/13 8:03 AM, Dennis Shea wrote:
>> The 'sounding_ATS.dat' used in the example is attached.
>>
>> You can send a sample RAW sounding data file to
>>
>> tp ftp.cgd.ucar.edu
>> anonymous
>> <use your email address for the password>
>> cd incoming
>> put ...
>> quit
>>
>> Note that for security reasons, you cannot list the contents of this
>> directory, and neither can we. We need to know the *exact* names of the
>> files in order to retrieve them.
>>
>> On 6/7/13 7:18 AM, Luis Cesareo Cana Cascallar wrote:
>>> Hi NCL users,
>>>
>>> I'd like to get Skew-T plots from RAW sounding data (downloaded from
>>> UWYO). I've looked to examples in the NCL homepage and I'd like to
>>> start with the skewt_3.ncl basis. This script gets the information
>>> from a file called "sounding_ATS.dat" but there is no information
>>> about this file except for it's an ascci file. Is there an example of
>>> the use of raw format?
>>>
>>> Best,
>>>
>>> Luis
>>>
>>>
>>>
>>> Luis Cana Cascallar
>>> ULPGC
>>>
>>> [cid:3A17E684-B211-4DB7-AA95-9DFF10435022@ccbb.ulpgc.es]
>>>
>>>
>>>
>>>
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>>
>>
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>
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Received on Fri Jun 7 15:22:03 2013

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