[nws-changes] 20121114: Addn of WMO headers to 2.5km GFS-based gridded MOS GRIB2 prod. Fwd: ADMIN NOTICE NOUS41 KWBC

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

903
NOUS41 KWBC 141520
PNSWSH
Technical Implementation Notice 12-55 
National Weather Service Headquarters Washington DC
1020 AM EST Wed Nov 14 2012
To: Subscribers: 
          -Family of Services
          -NOAA Weather Wire Service
          -Emergency Managers Weather Information Network
          -NOAAPORT
          Other NWS Partners, Users and Employees
From: Tim McClung 
          Science Plans Branch Chief
          Office of Science and Technology
Subject: Addition of WMO Headers to 2.5-km GFS-based Gridded 
          MOS GRIB2 Products on NWS FTP Server Effective on
          or about December 13, 2012
On or about Thursday December 13, 2012, beginning with the 1200 
Universal Coordinated Time (UTC) model run, WMO headers will be
added to the experimental 2.5-km GFS-based gridded MOS GRIB2
products on the NWS FTP server.  At the present time these
products do not contain WMO headers.  On the change date, each
element-specific GRIB2 file will contain a super header and
individual headers for each forecast projection.  GRIB2 file
names for each gridded MOS element are listed in Table 1
below.  Representations of the WMO super headers are listed in
Table 2 below.
These GRIB2 products are available in the experimental area of 
the National Digital Guidance Database (NDGD) on the NWS ftp
server.  Forecast guidance for Days 1 through 3 is available at:
ftp://tgftp.nws.noaa.gov/SL.us008001/ST.expr/DF.gr2/DC.ndgd/GT.mo 
sgfs/AR.conus/VP.001-003/
Forecast guidance for days 4 through 7 is available at: ftp://tgftp.nws.noaa.gov/SL.us008001/ST.expr/DF.gr2/DC.ndgd/GT.mo 
sgfs/AR.conus/VP.004-007/
Table 1: GRIB2 file names for each experimental 2.5-km GFS-based 
Gridded MOS element:
FILE NAME ELEMENT ds.sky.bin Total Sky Cover 
     ds.wdir.bin     Wind Direction
     ds.wspd.bin     Wind Speed
     ds.pop12.bin    12-Hour Probability of
                     Precipitation
     ds.temp.bin     2-Meter Temperature
     ds.td.bin       2-Meter Dew Point Temperature
     ds.maxt.bin     Daytime Maximum Temperature
     ds.mint.bin     Nighttime Minimum Temperature
     ds.qpf06.bin    6-h Quantitative Precipitation
                     Amount
     ds.pts06.bin    6-h Probability of a Thunderstorm
     ds.rhm.bin      Relative Humidity
     ds.snw24.bin    24-h Snowfall Amount
     ds.pop06.bin    6-Hour Probability of
                     Precipitation
     ds.qpf12.bin    12-h Quantitative Precipitation
                     Amount
     ds.wgust.bin    Wind Gusts
     ds.pts12.bin    12-h Probability of a
                     Thunderstorm
     ds.pts03.bin    3-h Probability of a Thunderstorm
Table 2: WMO super headers for each experimental 2.5-km GFS-based 
gridded MOS element.  Listed below are representations of the
super headers indicated by Z in the 4th character, where ii=98
for short-range guidance (days 1-3) and ii=97 for medium range
guidance (days 4-7):

   WMO HEADER     ELEMENT
YAUZii KWBQ Total Sky Cover 
   YBUZii KWBQ  Wind Direction
   YCUZii KWBQ  Wind Speed
   YDUZii KWBQ  12-Hour Probability of
                Precipitation
   YEUZii KWBQ  2-Meter Temperature
   YFUZii KWBQ  2-Meter Dew Point Temperature
   YGUZii KWBQ  Daytime Maximum Temperature
   YHUZii KWBQ  Nighttime Minimum Temperature
   YIUZii KWBQ  6-h Quantitative Precipitation
                Amount
   YJUZii KWBQ  6-h Probability of a Thunderstorm
   YRUZii KWBQ  Relative Humidity
   YSUZii KWBQ  24-h Snowfall Amount
   YUUZii KWBQ  6-Hour Probability of
                Precipitation
   YVUZii KWBQ  12-h Quantitative Precipitation
                Amount
   YWUZii KWBQ  Wind Gusts
   YXUZii KWBQ  12-h Probability of a Thunderstorm
   YYUZii KWBQ  3-h Probability of a Thunderstorm

A complete list of the WMO headers is available at:
http://www.nws.noaa.gov/mdl/synop/gmos/gmos2p5headers.pdf 

A Web page outlining the gridded MOS guidance and the FTP server
structure can be found at:
http://www.nws.noaa.gov/mdl/synop/gmos.php For questions regarding the experimental 2.5-km gridded MOS 
guidance for the CONUS please contact:
Kathryn Gilbert 
  MDL/Silver Spring, Maryland
  301-713-0023, Ext. 130
  Kathryn.Gilbert@xxxxxxxx
Links to all MOS products and descriptions are at: http://www.nws.noaa.gov/mdl/synop 

NWS national TINs are online at:

  http://www.weather.gov/os/notif.htm
$$
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