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Recent Changes to GMOS to remove bullseyes  XML
Forum Index » Gridded MOS
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Jonathan.Blaes


Joined: 02/07/2007 06:32:32
Messages: 1
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Hi,

We've noticed a significant reduction in the number of bullseyes in the GMOS during the past month. First of all thanks, second - what changes have been made ? It appears to be helping.

Thanks, Jonathan
Bill Bua


Joined: 09/03/2006 15:22:19
Messages: 30
Location: UCAR/COMET/NCEP/EMC
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Jonathan --

First off, I apologize for not responding until now. I'd not gotten a message saying something had been posted here.

Secondly, what got rid of the bull's eyes was making the radii of influence used to interpolate data from the individual single point MOS sites to the grid proportional to the density of the data. The less dense the data, the larger the radii of influence. This spreads the single point data further in sparse data regions, and reduces the "bull's eye" effect.

Hope that helps!

Bill Bua

Dr. Bill Bua
World Weather Building
5200 Auth Road, Rm. 202
Camp Springs, MD 20746

301-763-8000 x7244
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