[wxqc] CWOP data quality error
Ken Whelan
ken at ubh.com
Tue Oct 3 09:00:41 CDT 2006
Your not too new :) Your station has been around longer than mine has.
If you take a look at the graphs for my station, you will see the
humidity spike up very high after it gets dark.
http://weather.gladstonefamily.net/qchart/C5627?date=20061003
I am also on a lake but also set way down in a valley. I have
positioned my station on the dock itself, knowing that the humidity
would be affected. What I didn't expect was that at my house 100 or so
yards up the hill but also in the valley keeps a very similar humidity
as to what the dock does. It would make very little difference if I
put the station up at the house (other than the wind would then be wrong
because of all the trees). The humidity settles into the valley very
quickly after the wind dies for the evening. It stays until the wind
picks up in the morning and then it stabilizes similar to what the other
stations in the area say. I also sometimes get red X's for dewpoint
and I just don't worry about it because I know my readings are right for
my location.
I also keep readings for water temperature which is pretty cool too.
Later
kw
-----Original Message-----
From: wxqc-bounces at lists.gladstonefamily.net
[mailto:wxqc-bounces at lists.gladstonefamily.net] On Behalf Of Dave Helms
Sent: Monday, October 02, 2006 10:01 PM
To: Gail Speer; Discussion of weather data quality issues
Subject: Re: [wxqc] CWOP data quality error
Hi Gail,
Might be easier just to monitor your station's graphical QC statistics:
http://weather.gladstonefamily.net/site/C4512
Your dew point is getting flagged as a little bit too high, but that is
likely due to your proximity to the lake (don't make any changes). Your
pressure is also about 1.0 mb too low and could be adjusted upward.
Dave
CW0351
Gail Speer wrote:
> I am a newbie, and signed up for the diagnosis of my weather station
> data. It sent me the following:
> DATE UTC SITE * ALT * POT TEMP * DEW PNT
> * DD * FF
> * (MB) * (DEG F) * (DEG F) *
> (DEG) * (KNT)
> 02-OCT-2006 1817 CW4512 *1009.(2.16)* 70( 5)*57.7(-2.9)*
> 0(-121.)* 0(3.45)
> 02-OCT-2006 1832 CW4512 *1009.(2.26)* 73( 2)*58.7( -4)*
> 0(-121.)* 0(3.45)
> 02-OCT-2006 1847 CW4512 *1008.(2.46)* 74( 1)*57.8( -3)*
> 0(-121.)* 0(3.45)
> 02-OCT-2006 1902 CW4512 *1008.( 2.6)* 75(1.95)*58.2(-3.8)*
> 0(-96.)* 0(3.04)
> 02-OCT-2006 1917 CW4512 *1008.(2.58)* 76(0.95)*58.1(-3.7)*
> 0(-96.)* 0(3.04)
> 02-OCT-2006 1932 CW4512
> *1008.(2.58)* 77(-0.1)*59.1(-4.6)*244.(34.8)*0.87(2.17)
> 02-OCT-2006 1947 CW4512 *1008.(2.58)* 77(-0.1)*56.4(-1.9)*
> 0(-96.)* 0(3.04)
> 02-OCT-2006 2002 CW4512 *1008.(2.71)* 76(1.43)* 56(-1.4)*
> 0(-58.)*1.74(2.47)
> 02-OCT-2006 2017 CW4512 *1008.(2.74)* 77(0.43)* 58(-3.5)*
> 0(-73.)* 0(4.21)
> 02-OCT-2006 2032 CW4512 *1008.(2.64)* 77(0.43)*55.8(-1.2)*
> 0(-73.)* 0(4.21)
> 02-OCT-2006 2047 CW4512
> *1008.(2.54)* 77(0.43)*56.4(-1.8)* 32(-90.)*0.87(3.34)
> 02-OCT-2006 2102 CW4512
> *1008.(3.11)* 75(0.74)*52.8(0.97)*347.(-42.)*0.87(3.32)
> 02-OCT-2006 2117 CW4512
> *1009.(2.61)* 73(2.74)*55.4(-1.6)*342.(-37.)*1.74(2.45)
> 02-OCT-2006 2132 CW4512 *1009.(2.41)* 71(4.74)* 55(-1.2)*
> 0(-70.)* 0(4.19)
> 02-OCT-2006 2147 CW4512 *1009.(2.11)* 70(5.74)*55.5(-1.7)*
> 0(-70.)* 0(4.19)
> 02-OCT-2006 2202 CW4512 *1010.(
> 2.5)* 70(3.06)*55.5(-3.1)*340.(-6.2)*0.87(2.69)
> 02-OCT-2006 2217 CW4512 *1010.( 2.2)* 69(4.06)*55.4(-3.1)*
> 0(-41.)* 0(3.56)
> 02-OCT-2006 Errs CW4512 * 18/85 * 0/85 * 0/85 * 0/85
> * 0/85
> 02-OCT-2006 Smry CW4512
> *1.51(0.65)*0.88(1.88)*-1.8(1.42)*6.06(44.4)*1.98(1.19)
>
> How do I know what the errors are? Is there somewhere I can look up
> the format of this data, and determine what the errors mean?
>
> thanks
>
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