Re: [ldm-users] 20090318: MMM (Missing METAR Mystery)

  • To: "Larry D. Oolman" <ldoolman@xxxxxxxx>
  • Subject: Re: [ldm-users] 20090318: MMM (Missing METAR Mystery)
  • From: "Larry D. Oolman" <ldoolman@xxxxxxxx>
  • Date: Wed, 18 Mar 2009 08:59:05 -0600
On a whim I downloaded the 23Z hrs file from motherlode.
I found the missing report.  The first metar has an
errant character so the report was interpreted as being
binary and set the feedtype as HRS.

See the attached file.

Larry D. Oolman wrote:
This very odd.  The data showed up in my GEMPAK file.  The
decoder uses the pattern:

WMO     ^S[AP]

However, it is not in my data file which uses the pattern:

DDS|IDS|EXP     ^S[AP].* .... ([0-3][0-9])([0-2][0-9])

I wonder if there wasn't a corrupt header.



Tom Yoksas wrote:
Hi Kevin,

re:
I noticed that the KALB 00Z METAR from 3/18 did not appear in our data feed. I checked a site with a NOAAport satellite, and it also did not have the product. The ob did show up on the tgftp.nws.noaa.gov METAR data collective, however.
I just checked to see what KALB METAR data has been received and
decoded on two toplevel IDD relay nodes that we maintain, and both are
missing the 23:51 UTC observation for yesterday, Tuesday, March 17.
This is the observation that would have been received at 00 UTC.

Here is a McIDAS SFCLIST listing for the data processed on the toplevel
NOAAPort ingest and IDD relay machine we maintain at the NSF/ATM
offices in Arlington, Virginia, idd.cise-nsf.gov:


 Day Time StCo  Stn   T  Td  Dir Spd Gus AltSet  Vis  Weather  Ceil
     hhmm        id  [F] [F]     [ kts ]  [mb]   [mi]
---- ---- ---- ----- --- --- --- --- --- ------ ----- -------- -----
  17 1451 NYUS KALB   43  30 190   6     1025.7  9.00
  17 1551 NYUS KALB   47  29       3     1025.4  9.00
  17 1651 NYUS KALB   50  28       5     1025.1 10.00
  17 1751 NYUS KALB   53  28 160   6     1024.0 10.00
  17 1851 NYUS KALB   55  28       4     1023.4 10.00
  17 1951 NYUS KALB   56  26       3     1022.3 10.00
  17 2051 NYUS KALB   57  25 000   0     1022.0 10.00
  17 2151 NYUS KALB   56  26 180   5     1021.3 10.00
  17 2251 NYUS KALB   54  26 180   6     1021.7 10.00

  18 0051 NYUS KALB   46  27 160   4     1022.3 10.00
  18 0151 NYUS KALB   49  25 170   7     1022.3 10.00
  18 0251 NYUS KALB   48  26 170  10     1022.0 10.00
  18 0351 NYUS KALB   45  27 180  11  17 1022.0 10.00
  18 0451 NYUS KALB   44  27 180   7     1021.7 10.00
  18 0551 NYUS KALB   43  28 160   9     1021.7 10.00
  18 0651 NYUS KALB   42  28 180   9     1021.7 10.00
  18 0751 NYUS KALB   41  28 170   7     1021.3 10.00
  18 0851 NYUS KALB   41  28 160   9     1020.7 10.00
  18 0951 NYUS KALB   40  27 180  11     1020.0 10.00
  18 1051 NYUS KALB   40  28 180   9     1019.6 10.00
  18 1151 NYUS KALB   40  29 180  11  18 1019.6 10.00
  18 1251 NYUS KALB   42  31 180  15     1019.3  8.00
  18 1351 NYUS KALB   48  34 180  13  19 1018.3  7.00
Number of reports = 23
sfclist.k: done


This listing, which was generated at 14:15 UTC, represents the last 24
hours of decoded METAR observations for KALB.  As you can see, the
23:51 UTC KALB obs is missing.

Did anyone else receive this METAR? If not, does anyone have any idea as to what might have happened?
No, sorry.

Cheers,

Tom
--
+----------------------------------------------------------------------------+
* Tom Yoksas                                            UCAR Unidata Program *
* (303) 497-8642 (last resort)                                 P.O. Box 3000 *
* yoksas@xxxxxxxxxxxxxxxx                                  Boulder, CO 80307 *
* Unidata WWW Service                            http://www.unidata.ucar.edu/*
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--
Larry Oolman
Department of Atmospheric Science
University of Wyoming
Dept. 3038, 1000 E. University Ave.
Laramie, WY 82071
ldoolman@xxxxxxxx
http://www-das.uwyo.edu

Attachment: metar.wmo
Description: Binary data

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