[gradsusr] Error in using skew.gs
Jeff Duda
jeffduda319 at gmail.com
Thu Dec 27 14:18:56 EST 2012
Amulya,
I have determined the cause of the errors in your script. It turns out the
version you're using is slightly different from the one I use.
First of all, remove all lines above this at the top of the script code:
'set t 1'
'q dims'
rec=sublin(result,5)
_analysis=subwrd(rec,6)
say 'Initial Time is ' _analysis
You have the lines
*'reinit'
*'open 20120911_d03.ctl'
first. These lines cause problems with how the rest of the script works.
Just type those commands in yourself before running the script.
Also comment the line 'set lev 1000 100' which is located within this body
of code around line 50 or so
while(irun)
say ' '
say 'Please enter time to plot'
say 'Available times: 1 to ' _endtime
pull ans
'set t 'ans
'set lon 'lon1
'set lat 'lat1
'set lev 1000 100'
'define wspd=(sqrt(u*u + v*v))*1.89'
'define dir=(atan2(u,v))*57.2957795+180.0'
In the documenation for this script is this note:
* NOTE: Make sure to set the vertical range of the plot before running.
* I.e., "SET LEV 1050 150", for example. This does not have to
* be limited to the pressure range of your data.
This is critical for you. You need to set the vertical limits of your
region to encompass only valid data. Since your surface at the specific
grid point you're testing is around 966 mb, you need to go to the next
level that includes data, which is 950 mb. For the tests I ran with your
code, I used levs 950 to 200.
For some odd reason your temperature value was valid all the way down to
1000 mb even though your dewpoint value was only valid at 950 mb and
above. I'm not sure why this is, but it doesn't seem to impact the ability
of the script to work as long as you set your levs to 950 mb or above.
You should restore your script to the way it was before you first asked for
help, but making sure to make the changes I pointed out. WHat I mean is,
remove all the 'say' commands and also remove the 'set gxout print' line
that was near line 1100 in your script. If you don't it will cause errant
behavior of the script.
Let me know if something confuses you or these changes don't work.
Jeff
On Tue, Dec 25, 2012 at 10:52 PM, Amulya Chevuturi <
amulya.chevuturi at gmail.com> wrote:
> Hello Mr. Jeff
>
> I have mailed you the data (.dat) via a website that helps send larger
> files. The file sent you was a similar but different .dat file as my
> original was too large to be sent. Thus, I have mailed the data to your
> email id directly rather than the gradsuser mailing list. I hope this was
> not a problem. Please let me know if you have received the mail with the
> data or do I need to send it again. It might be sent to the spam folder by
> mistake.
>
> In this mail I am attaching my skew.gs file, the .ctl file to go with the
> .dat file sent to you and error text that is showing in the terminal when I
> run skew.gs file with this output file.
>
> Thank you for all your help.
>
> With regards,
> Amulya Chevuturi
>
>
>
>
>
> On Mon, Dec 24, 2012 at 11:21 PM, Jeff Duda <jeffduda319 at gmail.com> wrote:
>
>> Amulya,
>> Can you send me your data (or put it on a server somewhere for me to
>> obtain)? I would like to try using yours and my version of the script
>> using your data. If I find something that works, I will let you know.
>>
>> Jeff
>>
>>
>> On Mon, Dec 24, 2012 at 1:50 AM, Amulya Chevuturi <
>> amulya.chevuturi at gmail.com> wrote:
>>
>>> Dear Grads users
>>>
>>> You suggestions are quite accurate. The td values undefined for Lev
>>> 1000. This is because of the high terrain area in the region. So model is
>>> not simulating this region. The values are undefined even if in the ARWpost
>>> I add "extrapolate" as "true". Do I need to add another term "interpolate"?
>>> I have not come across this term in namelist. ARWpost.
>>> Also to answer Mr. Mahakur question, the options byteswapped is required
>>> for the ctl file to run. I have made the temperature profiles and am
>>> attaching herewith.
>>>
>>> I have added the Lines Mr. Jeff suggested and this is the result I have
>>> obtained.
>>> ga-> skew.gs
>>> No hardcopy metafile open
>>> All files closed; all defined objects released;
>>> All GrADS attributes have been reinitialized
>>> Initial Time is 00Z08JAN2007
>>> Create gif images as well (1=yes ; 0=no)
>>> 0
>>> Please enter coordinated for sounding
>>>
>>> Latitude values between: 4.96654 and 50.0419
>>> Enter Latitude
>>> 33
>>>
>>> Longitude values between: 48.3967 and 105.603
>>> Enter Longitude
>>> 78
>>>
>>> Overlay two time periods 1=yes ; 0=no
>>> 0
>>>
>>> Please enter time to plot
>>> Available times: 1 to 17
>>> 5
>>> Drawing temperature sounding.
>>> Drawing dewpoint sounding.
>>> Printing Grid -- 1 Values -- Undef = -9.99e+08
>>> -9.99e+08
>>>
>>> 1000
>>> getrh
>>> 13.743
>>>
>>> 1000
>>> 0.00992721580569856
>>> Non-numeric args to numeric operation
>>> Error occurred on line 2176
>>> In file skew.gs
>>> Error occurred on line 2432
>>> In file skew.gs
>>> Error occurred on line 1109
>>> In file skew.gs
>>> Error occurred on line 69
>>> In file skew.gs
>>>
>>> Thank you so much for all your help. Please let me know how to proceed.
>>> As you told Mr. Jeff even if there is no interpolation, Does this problem
>>> still occur?
>>>
>>>
>>>
>>> On Sat, Dec 22, 2012 at 12:06 AM, Jeff Duda <jeffduda319 at gmail.com>wrote:
>>>
>>>> Okay, modify that section of code, which was
>>>>
>>>> Sfctemp=subwrd(rec,4)
>>>> "d "snddewp
>>>> say result
>>>>
>>>> to the following:
>>>>
>>>> Sfctemp=subwrd(rec,4)
>>>> 'set gxout print'
>>>> "d "snddewp
>>>> say result
>>>>
>>>> as I'm not sure what that output means either. My suspicion is that
>>>> the dewpoint value it's getting is undefined for some reason. Are you
>>>> trying to plot a sounding in an area with elevated terrain? When you
>>>> postprocessed with ARWpost, did you set the interpolate option to .true.?
>>>> If you try to display the td field with lev = 1000 and some areas are
>>>> undefined, then you didn't set ARWpost to interpolate, but that shouldn't
>>>> be the problem. It sounds like you're trying to run this the exact same
>>>> way I did, as I've also run this code with ARWpost processed WRF output.
>>>> If we can't find a solution, I can send you a copy of my version of the
>>>> script for you to try, although I've already looked and it's not
>>>> significantly different from what you have.
>>>>
>>>> Jeff
>>>>
>>>> On Fri, Dec 21, 2012 at 12:13 AM, Amulya Chevuturi <
>>>> amulya.chevuturi at gmail.com> wrote:
>>>>
>>>>> Hello Jeff,
>>>>>
>>>>> Thank you so much for the help.
>>>>>
>>>>> I added your suggestions to skew.gs. The SfcPlev is showing 1000,
>>>>> which I dont think is wrong. But the result of Sfcdewp is something I am
>>>>> not understanding. This is the following result I am getting on running
>>>>> skew.gs after additions made of "say result" and "say SfcPlev".
>>>>>
>>>>> ga-> skew.gs
>>>>> No hardcopy metafile open
>>>>> All files closed; all defined objects released;
>>>>> All GrADS attributes have been reinitialized
>>>>> Initial Time is 00Z08JAN2007
>>>>> Create gif images as well (1=yes ; 0=no)
>>>>> 0
>>>>> Please enter coordinated for sounding
>>>>>
>>>>> Latitude values between: 4.96654 and 50.0419
>>>>> Enter Latitude
>>>>> 33
>>>>>
>>>>> Longitude values between: 48.3967 and 105.603
>>>>> Enter Longitude
>>>>> 78
>>>>>
>>>>> Overlay two time periods 1=yes ; 0=no
>>>>> 0
>>>>>
>>>>> Please enter time to plot
>>>>> Available times: 1 to 17
>>>>> 5
>>>>> Drawing temperature sounding.
>>>>> Drawing dewpoint sounding.
>>>>> Data Type = grid
>>>>> Dimensions = -1 -1
>>>>> I Dimension = -999 to -999
>>>>> J Dimension = -999 to -999
>>>>> Sizes = 1 1 1
>>>>> Undef value = -9.99e+08
>>>>> Undef count = 1 Valid count = 0
>>>>> Min, Max = 1e+30 1e+30
>>>>>
>>>>> 1000
>>>>> getrh
>>>>> 13.743
>>>>> 1e+30
>>>>> 1000
>>>>> 0.00992721580569856
>>>>> 286.893
>>>>> 43.385364499893
>>>>> 1573660000
>>>>> Non-numeric args to numeric operation
>>>>> Error occurred on line 2437
>>>>> In file skew.gs
>>>>> Error occurred on line 1108
>>>>> In file skew.gs
>>>>> Error occurred on line 69
>>>>> In file skew.gs
>>>>>
>>>>> I have also attached the new skew.gs file along with my ctl file. I
>>>>> rechecked my ctl file, the file does have variable td. How am I to proceed
>>>>> further.
>>>>>
>>>>> Thank you so much for taking the time to helping me out.
>>>>>
>>>>> With regards,
>>>>> Amulya Chevuturi
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Dec 19, 2012 at 10:40 PM, Jeff Duda <jeffduda319 at gmail.com>wrote:
>>>>>
>>>>>> As you can see from your output, the script has the value 1e+30
>>>>>> stored for dewpoint. That is clearly not correct. Therefore, there is a
>>>>>> problem with the variable dewp getting passed into this function, which is
>>>>>> named Thetae. The other error output tells you where the call to that
>>>>>> function came from (line 1106). That line is
>>>>>>
>>>>>> SfcThee=Thetae(Sfctemp,Sfcdewp,SfcPlev)
>>>>>>
>>>>>> So there must be a problem with the variable Sfcdewp outside of the
>>>>>> Thetae function. The variable Sfcdewp is computed in the line above 1106.
>>>>>> Clearly something is not right there. The 10 or so lines above this are
>>>>>> where the determination is made of how to obtain the surface dewpoint. See
>>>>>> the line "d "snddewp? I would insert a 'say result' command directly after
>>>>>> that command and see what the output shows. Also insert the command say
>>>>>> SfcPlev in that same area. The error could be from either source.
>>>>>>
>>>>>> Lastly, make sure that you have the variable td in your control
>>>>>> file. I'm pretty sure I saw it there when I looked at it a few days ago,
>>>>>> but I no longer have that file, so I can't check. If you don't have that,
>>>>>> that is the source of the problem.
>>>>>>
>>>>>> Jeff
>>>>>>
>>>>>>
>>>>>> On Wed, Dec 19, 2012 at 4:47 AM, Amulya Chevuturi <
>>>>>> amulya.chevuturi at gmail.com> wrote:
>>>>>>
>>>>>>> Thank you so much for the help that you are providing me MR. Jeff.
>>>>>>>
>>>>>>> So as you suggested, I added the say commands for the line 2424.
>>>>>>> This is for the script variable mix. What is the term "getrh" in that? Is
>>>>>>> it a function or a variable. As when I input say getrh the output is getrh.
>>>>>>> So I added these lines in my gs file before the script for mix variable:
>>>>>>>
>>>>>>> say getrh
>>>>>>> say temp
>>>>>>> say dewp
>>>>>>> say pres
>>>>>>> say ws
>>>>>>>
>>>>>>>
>>>>>>> This is the output I am getting now.
>>>>>>>
>>>>>>> ga-> skew.gs
>>>>>>> No hardcopy metafile open
>>>>>>> All files closed; all defined objects released;
>>>>>>> All GrADS attributes have been reinitialized
>>>>>>> Initial Time is 00Z08JAN2007
>>>>>>> Create gif images as well (1=yes ; 0=no)
>>>>>>> 0
>>>>>>> Please enter coordinated for sounding
>>>>>>>
>>>>>>> Latitude values between: 4.96654 and 50.0419
>>>>>>> Enter Latitude
>>>>>>> 33
>>>>>>>
>>>>>>> Longitude values between: 48.3967 and 105.603
>>>>>>> Enter Longitude
>>>>>>> 78
>>>>>>>
>>>>>>> Overlay two time periods 1=yes ; 0=no
>>>>>>> 0
>>>>>>>
>>>>>>> Please enter time to plot
>>>>>>> Available times: 1 to 17
>>>>>>> 5
>>>>>>> Drawing temperature sounding.
>>>>>>> Drawing dewpoint sounding.
>>>>>>> getrh
>>>>>>> 13.743
>>>>>>> 1e+30
>>>>>>> 1000
>>>>>>> 0.00992721580569856
>>>>>>> 286.893
>>>>>>> 43.385364499893
>>>>>>> 1573660000
>>>>>>> Non-numeric args to numeric operation
>>>>>>> Error occurred on line 2435
>>>>>>> In file skew.gs
>>>>>>> Error occurred on line 1106
>>>>>>> In file skew.gs
>>>>>>> Error occurred on line 69
>>>>>>> In file skew.gs
>>>>>>>
>>>>>>> Any help would be most appreciated.
>>>>>>>
>>>>>>> With regards,
>>>>>>> Amulya Chevuturi
>>>>>>> Junior Research Fellow (Ph.D. Student)
>>>>>>> Jawaharlal Nehru University
>>>>>>> New Delhi, India
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Dec 18, 2012 at 11:45 PM, Jeff Duda <jeffduda319 at gmail.com>wrote:
>>>>>>>
>>>>>>>> Amulya,
>>>>>>>> Thank you for adding the new information. I can tell that the
>>>>>>>> value of the script variable mix, which is given as 1573660000, cannot be
>>>>>>>> right. Check line 2424 of your script code. That is where the variable
>>>>>>>> mix is computed. Insert say statements for all the component variables
>>>>>>>> there. With this kind of investigation you will eventually be able to
>>>>>>>> discover the source of the error. My gut tells me one of the input
>>>>>>>> variables you supplied to the script in the main function call plotskew()
>>>>>>>> is not what the script is expecting it to be. I'm guessing it is the
>>>>>>>> dewpoint variable. But I saw your control file and it appears there should
>>>>>>>> not be a problem with that. Nonetheless, insert say statements to find out
>>>>>>>> what the values are, then go from there. If you need help knowing what to
>>>>>>>> do next or where to look, please ask.
>>>>>>>>
>>>>>>>> Jeff
>>>>>>>>
>>>>>>>>
>>>>>>>> On Tue, Dec 18, 2012 at 1:21 AM, Amulya Chevuturi <
>>>>>>>> amulya.chevuturi at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Thank you very much for replying Mr. Jeff.
>>>>>>>>>
>>>>>>>>> I have added the lines as stated. In the output all of them are
>>>>>>>>> showing numeric values only. So I cannot make out what the problem is.
>>>>>>>>> Could you or anyone in the grads user list help me out further.
>>>>>>>>>
>>>>>>>>> This the output I am getting at the terminal when I am running the
>>>>>>>>> skew.gs with the changes you suggested.
>>>>>>>>>
>>>>>>>>> ga-> skew.gs
>>>>>>>>> No hardcopy metafile open
>>>>>>>>> All files closed; all defined objects released;
>>>>>>>>> All GrADS attributes have been reinitialized
>>>>>>>>> Initial Time is 00Z08JAN2007
>>>>>>>>> Create gif images as well (1=yes ; 0=no)
>>>>>>>>> 0
>>>>>>>>> Please enter coordinated for sounding
>>>>>>>>>
>>>>>>>>> Latitude values between: 4.96654 and 50.0419
>>>>>>>>> Enter Latitude
>>>>>>>>> 33
>>>>>>>>>
>>>>>>>>> Longitude values between: 48.3967 and 105.603
>>>>>>>>> Enter Longitude
>>>>>>>>> 78
>>>>>>>>>
>>>>>>>>> Overlay two time periods 1=yes ; 0=no
>>>>>>>>> 0
>>>>>>>>>
>>>>>>>>> Please enter time to plot
>>>>>>>>> Available times: 1 to 17
>>>>>>>>> 5
>>>>>>>>> Drawing temperature sounding.
>>>>>>>>> Drawing dewpoint sounding.
>>>>>>>>> 286.893
>>>>>>>>> 43.385364499893
>>>>>>>>> 1573660000
>>>>>>>>> Non-numeric args to numeric operation
>>>>>>>>> Error occurred on line 2430
>>>>>>>>> In file skew.gs
>>>>>>>>> Error occurred on line 1106
>>>>>>>>> In file skew.gs
>>>>>>>>> Error occurred on line 69
>>>>>>>>> In file skew.gs
>>>>>>>>>
>>>>>>>>> I am attaching the skew.gs file with the changes added. Please
>>>>>>>>> let me know how I can further correct the error. Thank you for the help in
>>>>>>>>> advance.
>>>>>>>>>
>>>>>>>>> With regards,
>>>>>>>>> Amulya Chevuturi
>>>>>>>>> Junior Research Fellow (Ph.D. Student)
>>>>>>>>> Jawaharlal Nehru University
>>>>>>>>> New Delhi, India
>>>>>>>>>
>>>>>>>>> On Tue, Dec 18, 2012 at 1:06 AM, Jeff Duda <jeffduda319 at gmail.com>wrote:
>>>>>>>>>
>>>>>>>>>> Amulya,
>>>>>>>>>> I looked through your script and I can't find the cause of the
>>>>>>>>>> error. I've used this script on WRF-ARW output myself before (also
>>>>>>>>>> postprocessed using ARWpost). I remember having some issues getting the
>>>>>>>>>> script to run properly the first time, but I got around that somehow. The
>>>>>>>>>> errors indicate that in this line
>>>>>>>>>>
>>>>>>>>>> thetae=theta*exp((3.376/TLcl-0.00254)*mix*1.0+0.00081*mix)
>>>>>>>>>>
>>>>>>>>>> one of theta, TLcl, or mix is not being computed correctly. I'm
>>>>>>>>>> not sure which of those it is, although you could put SAY statements just
>>>>>>>>>> above that line for each of the variables to see which it is. What I mean
>>>>>>>>>> is, insert these lines
>>>>>>>>>> say theta
>>>>>>>>>> say TLcl
>>>>>>>>>> say mix
>>>>>>>>>> Above the line I copied above. Then see what values get spit
>>>>>>>>>> out. One of those is either a NaN of some sort or has characters where
>>>>>>>>>> there should be numbers.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Jeff Duda
>>>>>>>>>>
>>>>>>>>>> On Mon, Dec 17, 2012 at 12:56 AM, Amulya Chevuturi <
>>>>>>>>>> amulya.chevuturi at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Dear GrADS users,
>>>>>>>>>>>
>>>>>>>>>>> I have recently tried to use the skew.gs script to plot
>>>>>>>>>>> Skew-T/Log-P graphs for my WRF (ARW) output. I use ARWPost as my post
>>>>>>>>>>> processing software. This is the problem that is cropping up.
>>>>>>>>>>>
>>>>>>>>>>> ga-> skew.gs
>>>>>>>>>>> No hardcopy metafile open
>>>>>>>>>>> All files closed; all defined objects released;
>>>>>>>>>>> All GrADS attributes have been reinitialized
>>>>>>>>>>> Initial Time is 00Z08JAN2007
>>>>>>>>>>> Create gif images as well (1=yes ; 0=no)
>>>>>>>>>>> 0
>>>>>>>>>>> Please enter coordinated for sounding
>>>>>>>>>>>
>>>>>>>>>>> Latitude values between: 4.96654 and 50.0419
>>>>>>>>>>> Enter Latitude
>>>>>>>>>>> 33
>>>>>>>>>>>
>>>>>>>>>>> Longitude values between: 48.3967 and 105.603
>>>>>>>>>>> Enter Longitude
>>>>>>>>>>> 78
>>>>>>>>>>>
>>>>>>>>>>> Overlay two time periods 1=yes ; 0=no
>>>>>>>>>>> 0
>>>>>>>>>>>
>>>>>>>>>>> Please enter time to plot
>>>>>>>>>>> Available times: 1 to 17
>>>>>>>>>>> 5
>>>>>>>>>>> Drawing temperature sounding.
>>>>>>>>>>> Drawing dewpoint sounding.
>>>>>>>>>>> Non-numeric args to numeric operation
>>>>>>>>>>> Error occurred on line 2427
>>>>>>>>>>> In file skew.gs
>>>>>>>>>>> Error occurred on line 1106
>>>>>>>>>>> In file skew.gs
>>>>>>>>>>> Error occurred on line 69
>>>>>>>>>>> In file skew.gs
>>>>>>>>>>>
>>>>>>>>>>> Though I think it is plotting the temperature and dewpoint. The
>>>>>>>>>>> rest of the parameters in the line 69 is not being plotted due to some
>>>>>>>>>>> errors in parameters. I am attaching my ctl file and skew.gs.
>>>>>>>>>>> Please let me know how to correct the problem.
>>>>>>>>>>>
>>>>>>>>>>> Thanking you in advance.
>>>>>>>>>>>
>>>>>>>>>>> With regards,
>>>>>>>>>>> Amulya Chevuturi
>>>>>>>>>>> Junior Research Fellow (Ph.D. Student)
>>>>>>>>>>> Jawaharlal Nehru University
>>>>>>>>>>> New Delhi, India
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> gradsusr mailing list
>>>>>>>>>>> gradsusr at gradsusr.org
>>>>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Jeff Duda
>>>>>>>>>> Graduate research assistant
>>>>>>>>>> University of Oklahoma School of Meteorology
>>>>>>>>>> Center for Analysis and Prediction of Storms
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> gradsusr mailing list
>>>>>>>>>> gradsusr at gradsusr.org
>>>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> gradsusr mailing list
>>>>>>>>> gradsusr at gradsusr.org
>>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Jeff Duda
>>>>>>>> Graduate research assistant
>>>>>>>> University of Oklahoma School of Meteorology
>>>>>>>> Center for Analysis and Prediction of Storms
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> gradsusr mailing list
>>>>>>>> gradsusr at gradsusr.org
>>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> gradsusr mailing list
>>>>>>> gradsusr at gradsusr.org
>>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Jeff Duda
>>>>>> Graduate research assistant
>>>>>> University of Oklahoma School of Meteorology
>>>>>> Center for Analysis and Prediction of Storms
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> gradsusr mailing list
>>>>>> gradsusr at gradsusr.org
>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> gradsusr mailing list
>>>>> gradsusr at gradsusr.org
>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Jeff Duda
>>>> Graduate research assistant
>>>> University of Oklahoma School of Meteorology
>>>> Center for Analysis and Prediction of Storms
>>>>
>>>> _______________________________________________
>>>> gradsusr mailing list
>>>> gradsusr at gradsusr.org
>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>
>>>>
>>>
>>> _______________________________________________
>>> gradsusr mailing list
>>> gradsusr at gradsusr.org
>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>
>>>
>>
>>
>> --
>> Jeff Duda
>> Graduate research assistant
>> University of Oklahoma School of Meteorology
>> Center for Analysis and Prediction of Storms
>>
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
>>
>>
>
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>
--
Jeff Duda
Graduate research assistant
University of Oklahoma School of Meteorology
Center for Analysis and Prediction of Storms
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