[wxqc] QC charts

Philip Gladstone philip at gladstonefamily.net
Mon May 22 21:21:08 EDT 2006


How much higher? The data sent to APRS is in integer degrees F, so there 
is a source of error there. Also, (although it doesn't seem to be a 
problem in your case), if you have recently changed your registered 
elevation, then this can cause problems. The reason for this is that 
MADIS works in Potential Temperature (which is a notional temperature, 
adjusted for elevation). The QC graphs that I display are (supposed to 
be) adjusted for elevation so that they are in surface temperatures. 
Thus if my elevation does not agree with MADIS' elevation, then strange 
things can happen.

Try looking at the data as seen at findu, and see if that matches what 
you think.....

Philip

Steve Gunn wrote:
> Just curious if anyone knows why my chart shoew a
> higher temperature for a high than I recorded on my
> station. This is not the 1st time I have noticed this.
> 
> CW5443
> Steve
> 
> 
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