[nws-changes] 20100118: NCEP BUFR products-amended-Fwd: ADMIN NOTICE NOUS41 KWBC

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-------- Original Message --------

107
NOUS41 KWBC 181341
PNSWSH

Technical Implementation Notice 10-48, Amended
National Weather Service Headquarters Washington DC
840 AM EST Tue Jan 18 2011

To:       Subscribers:
          -Family of Services
          -NOAA Weather Wire Service
          -Emergency Managers Weather Information Network
          -NOAAPORT
          Other NWS Partners, Users and Employees

From:     Timothy McClung
          Chief, Science Plans Branch
          Office of Science and Technology

Subject:  Amended: Changes to NCEP BUFR Products:
          Effective Date January 25, 2011

Amended to announce the new implementation date.  Issues that
arose during testing in December have been resolved. The
implementation and associated BUFR format changes will take
place on Tuesday, January 25, 2011.

The National Centers for Environmental Prediction (NCEP) will
upgrade the software used to create model output products in
BUFR format.  This upgrade will result in the following two
changes to the format of all NCEP BUFR products:

1. The identification section of each BUFR message will
   indicate the use of Version 13 of the WMO Master Table.
   NCEP BUFR products currently use Version 12.

2. An additional empty (zero subset) BUFR message will now be
   included within all files that contain BUFR table
   messages.  These empty messages are recognizable as having
   a data category value of 11 within the identification
   section of the message.

Note that this change does not affect Model Output Statistics
(MOS) and Localized Aviation MOS Product(LAMP) products.

Sample NCEP BUFR products are available at:

     ftp://ftp.ncep.noaa.gov/pub/data1/nccf/com/bufrlib

The "current" directory contains the BUFR products created with
the current operational BUFR software. The "new" directory
contains the same products generated with the new BUFR software.

For questions regarding these changes, please contact:

Jeff Ator
NCEP/Central Operations
Camp Springs, Maryland
301-763-8000 x 7104
jeff.ator@xxxxxxxx
or
Rebecca Cosgrove
NCEP/Central Operations
Camp Springs, Maryland
301-763-8000 x 7198
rebecca.cosgrove@xxxxxxxx

NWS National Technical Implementation Notices are online at:

     http://www.nws.noaa.gov/os/notif.htm

$$



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