[wxqc] Meso West

[Gerry Creager N5JXS]

Hmmm.  Interesting.  I don't have an answer but I certainly know who to 
ask at Utah.

Gerry AP009/N5JXS

Sam Drinkard wrote:
> Probably the wrong place to ask and or solicit any technical details, 
> but perhaps some of you other have seen or see the same pattern I'm seeing.
> 
> Some time back (perhaps 2 months or 3) I did my very best to tweak all 
> the instruments based on long term averaging of the data from two ASOS 
> stations, plus a couple more within my "spatial zone".  I think what I 
> wound up with is a respectable setup, based in part on the graphs 
> supplied by Philip Gladstone (thanks Philip).
> 
> In looking at the Meso West data quality (regression) it appears about 
> the same time I did these tweaks, the regression started deviating from 
> the baseline quite a bit more.  I don't recall if the scale changed and 
> I'm seeing a lower range scale, but if you look at the lines, they are 
> all over the place.  I just wonder if their software is somehow picking 
> up "trash" or if their algorithims are vastly different from anyone 
> else.  For a long time, the 3 parameters, DP, Pressure and Temp were 
> hugging the baseline pretty tight.  Now, all of them are all over the 
> place.  I know it's not a big deal, but its an annoyance to me to see 
> results that make me think I could do better!  Here's an example...
> 
> http://www.met.utah.edu/cgi-bin/droman/regress_database.cgi?stn=AR471
> 
> I have no idea what the units are from the zero line.  I guess they are 
> just ones.  Irritants like that are what make us strive for perfection I 
> guess.
> 
> Any comments on ya'lls regression or other aspect of the M-W pages?
> 
> Sam
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-- 
Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University	
Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.862.3983
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