Re: Axis units in wrf_user_intrp3d()

Hmmm. The '0-100' sounds like a variation on sigma levels.

IIRC, there's a wrf_Height.ncl example that should allow you to generate
what you're looking for. I've gotta get "good" with it but it's in the
example docs.

gerry

Don Morton wrote:
> Thanks all, I'll try to come up with a very simple
> case study tonight or tomorrow and submit it.
>
> I have 75 levels in my model, so the 0-100 on
> the left doesn't jive with that. I did do the printVarSummary(z)
> and saw my units of "m"
>
> Again though, rather than confusing everyone, I'll just make
> up a simple example tonight.
>
> On 9/25/07, Mary Haley <haley_at_ucar.edu> wrote:
>> Don,
>>
>> The units that are appearing in the top right corner of your
>> plot come from the metadata that is attached to
>> the "z" array that you are plotting.
>>
>> If you type "printVarSummary(z)" (or whatever the name of your
>> variable is), you will see what the units are.
>>
>> Perhaps the "units" are not being reset after the calculation is done?
>> I'm not familiar enough with wrf_user_intrp3d to know if it resets the
>> units, but I'll include wrfhelp_at_ucar.edu on this one to see if they
>> can include more information.
>>
>> --Mary
>>
>>
>> On Tue, 25 Sep 2007, Don Morton wrote:
>>
>>> Howdy,
>>>
>>> First, I'd really like to thank you all for the great suite
>>> of routines for the WRF output files. These are turning
>>> out to be very useful.
>>>
>>> I've created a plot that shows a vertical cross section
>>> of the u-component of the wind over a defined transect
>>> (graphic attached). Just in case you're curious, the transect
>>> is roughly west-to-east, the west end being at Missoula
>>> International Airport and the east end being in Hellgate
>>> Canyon on the east side of Missoula, where Interstate
>>> 90 enters the city. I'm trying to assess WRF's capture
>>> of the famous easterly "Hellgate Winds" that we often
>>> get in the morning (sort of a "drainage flow" from the
>>> east), and you can see a hint of it in this graphic.
>>>
>>> But, on to the question - I don't understand what the units
>>> are on the vertical axis. I've passed in an array of "z" values
>>> to the function, and I've verified that the values I pass in
>>> are reasonable, with units of meter. I "suppose" the units
>>> could be km, and it looks like that would be an appropriate
>>> unit on the horiz axis, too (the distance is about right).
>>> But, I'm wondering if someone can verify.
>>>
>>> Thanks,
>>>
>>> Don
>>> --
>>> Arctic Region Supercomputing Center
>>> http://weather.arsc.edu/
>>>
>
>

-- 
Gerry Creager -- gerry.creager_at_tamu.edu
Texas Mesonet -- AATLT, Texas A&M University
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