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[GEMPAK #KIE-803069]: Gempak - Plotting skewt from TTAA mobile data

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  • Subject: [GEMPAK #KIE-803069]: Gempak - Plotting skewt from TTAA mobile data
  • Date: Mon, 23 Jan 2006 10:12:49 -0700
>Institution: Colorado State University
>Package Version: 5.9
>Operating System: os x
>Hardware Information: powerbook g4
>Inquiry: Hi,
>I\'m trying to decode and plot data from a temporary sonde sight in australia. 
>It is in TTAA/TTBB >format, I tried using dcuair
>
>dcuair -c 060121/0000 -s stations.tbl test.gem < gardenpointsound
>
>I then tried to plot it using snprof and nsharp. But it either won\'t give me 
>a location to select of >says \"no valid station\". I set area = @AU:C, but 
>doesn\'t seem to work. Is there a way to make a >skew t without specifying the 
>location?
>
>Any help you could offer is much appreciated
>
>Cheers,
>Luke


Luke,

The first thing to verify is that your data was actually decoded by dcuair. If
your data does not have the product delimeters, chances are, the decoder said 
[DC 2]  Number of bulletins read and processed: 0
Make sure you are actually decoding data. If not, wrap your products with
FOS or AFOS product delimeters, such as is shown here:
http://www.unidata.ucar.edu/support/help/MailArchives/gempak/msg03796.html

Next, I'm assuming that your stations.tbl file has the id, latlon etc for your
station you are decoding. Since your data is in TTAA format, the 5 digit WMO 
number 
is part part of the product. You can specify this in your snprof AREA as:
AREA = @#####
or globally,
AREA=dset

Using the WMO number will work even if the station wasn't found in your station 
table to
define the country AU. You can verify what data is in your decoded data file 
using
SNLIST, specify AREA=dset, dattim=060121/0000 and SNPARM=dset, levels=all.
If your file has data for that time, you will see the station listed.

Steve Chiswell
Unidata User Support


Ticket Details
===================
Ticket ID: KIE-803069
Department: Support GEMPAK
Priority: Normal
Status: Closed