[gradsusr] Z levels

L.B. bcbass2989 at gmail.com
Sun Oct 22 17:05:35 EDT 2017


Another option is to set the level based on the pressure value 'set lev
(pres lev)', then run 'q dims' and you can find the z value from the
results.

So for instance, if you want to know what z level the 500mb level
corresponds to, do the following two commands:

'set lev 500'

'q dims'

*-------*
William (L.B.) LaForce IV
Meteorologist
www.tornadoinsanity.com

On Sun, Oct 22, 2017 at 4:55 PM, Pablo Camarena <jcamarena006 at gmail.com>
wrote:

>
> I checked the control file and say:
>
> zdef   29 linear 1 1
>
>
>
> 2017-10-22 14:49 GMT-06:00 Jeff Duda <jeffduda319 at gmail.com>:
>
>> The correspondence between pressure values and level index is defined in
>> the ZDEF line of your control file.
>>
>> Jeff Duda
>>
>> On Sun, Oct 22, 2017 at 1:48 PM, Pablo Camarena <jcamarena006 at gmail.com>
>> wrote:
>>
>>>
>>> Hello to all,
>>>
>>> How do I know at what level the values of z correspond?
>>>
>>> For example z = 1 is at 1000 hPa but if I want to plot at 700 and 500
>>> hpa, what value corresponds to z?
>>>
>>> best
>>> JP.
>>>
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>>>
>>
>>
>> --
>> Jeff Duda
>> Post-doctoral research fellow
>> University of Oklahoma School of Meteorology
>>
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>>
>
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