20041130: DGEX grids-

The message included below was sent earlier on our communications lines. It is also posted to the
NWS Data Management Change Notices web page at the following URL.

http://www.nws.noaa.gov/datamgmt/notices.shtml 2004/12/01
DM 11-04.04 Add OCONUS DGEX Grids to SBN/NOAAPort

NOXX10 KWBC 301708
DATA MGT MESSAGE 11-04.04

TO  AWIPS/NOAAPORT USERS.. FAMILY OF SERVICES/FOS/SUBSCRIBERS...
   EMERGENCY MANAGERS WEATHER INFORMATION NETWORK /EMWIN/
   NATIONAL WEATHER SERVICE /NWS/ CUSTOMERS... WAFS USERS...
   GTS USERS... NWS FAX CHART USERS

FROM  RTH WASHINGTON DATA MANAGEMENT


AWIPS CHANGE NOTICE NO AC191
EFFECTIVE DATE   DECEMBER 1 2004

[AC191] ON THE ABOVE EFFECTIVE DATE FOLLOWING OCONUS DGEX GRIDS WILL BE ADDED TO THE SBN/NOAAPORT DATASTREAM.

DAVE NIVER [301] 713-9001 EXTENSION 168 IS THE COGNIZANT TECHNICAL INDIVIDUAL. HENRY ROBINSON [301] 713-1373 EXTENSION 173 IS THE DRG FOCAL POINT FOR THIS ITEM.

THE FOLLOWING PRODUCTS WILL BE ADDED TO THE SBN/NOAAPORT DATASTREAM: WMO HEADER

---------- GEOPOTENTIAL HEIGHT HEADERS [SECOND CHARACTER IS H - SEE NOTE 2.]

         MHFU## KWBD  [90 HR]

         LHFM## KWBD  [96 HR]

         MHFV## KWBD  [102 HR]

         LHFN## KWBD  [108 HR]

         MHFW## KWBD  [114 HR]

         LHFO## KWBD  [120 HR]

         MHFZ## KWBD  [NOTE 8]

         LHFP## KWBD  [132 HR]

         LHFQ## KWBD  [144 HR]

         LHFR## KWBD  [156 HR]

         LHFS## KWBD  [168 HR]

         LHFT## KWBD  [180 HR]

         LHFU## KWBD  [192 HR]



TEMPERATURE HEADERS [SECOND CHARACTER IS  T - SEE NOTE 3]

         MTFU## KWBD  [90 HR]

         LTFM## KWBD  [96 HR]

         MTFV## KWBD  [102 HR]

         LTFN## KWBD  [108 HR]

         MTFW## KWBD  [114 HR]

         LTFO## KWBD  [120 HR]

         MTFZ## KWBD  [NOTE 8]

         LTFP## KWBD  [132 HR]

         LTFQ## KWBD  [144 HR]

         LTFR## KWBD  [156 HR]

         LTFS## KWBD  [168 HR]

         LTFT## KWBD  [180 HR]

         LTFU## KWBD  [192 HR]



RELATIVE HUMIDITY HEADERS [SECOND CHARACTER IS  R - SEE NOTE 3]

         MRFU## KWBD  [90 HR]

         LRFM## KWBD  [96 HR]

         MRFV## KWBD  [102 HR]

         LRFN## KWBD  [108 HR]

         MRFW## KWBD  [114 HR]

         LRFO## KWBD  [120 HR]

         MRFZ## KWBD  [NOTE 8]

         LRFP## KWBD  [132 HR]

         LRFQ## KWBD  [144 HR]

         LRFR## KWBD  [156 HR]

         LRFS## KWBD  [168 HR]

         LRFT## KWBD  [180 HR]

         LRFU## KWBD  [192 HR]



WIND U COMPONENT [SECOND CHARACTER IS  U - SEE NOTE 4]

         MUFU## KWBD  [90 HR]

         LUFM## KWBD  [96 HR]

         MUFV## KWBD  [102 HR]

         LUFN## KWBD  [108 HR]

         MUFW## KWBD  [114 HR]

         LUFO## KWBD  [120 HR]

         MUFZ## KWBD  [NOTE 8]

         LUFP## KWBD  [132 HR]

         LUFQ## KWBD  [144 HR]

         LUFR## KWBD  [156 HR]

         LUFS## KWBD  [168 HR]

         LUFT## KWBD  [180 HR]

         LUFU## KWBD  [192 HR]



WIND V COMPONENT [SECOND CHARACTER IS  V - SEE NOTE 4]

         MVFU## KWBD  [90 HR]

         LVFM## KWBD  [96 HR]

         MVFV## KWBD  [102 HR]

         LVFN## KWBD  [108 HR]

         MVFW## KWBD  [114 HR]

         LVFO## KWBD  [120 HR]

         MVFZ## KWBD  [NOTE 8]

         LVFP## KWBD  [132 HR]

         LVFQ## KWBD  [144 HR]

         LVFR## KWBD  [156 HR]

         LVFS## KWBD  [168 HR]

         LVFT## KWBD  [180 HR]

         LVFU## KWBD  [192 HR]



VERTICAL VELOCITY AT 700MB [SECOND CHARACTER IS  O ]

         MOFU70 KWBD  [90 HR]

         LOFM70 KWBD  [96 HR]

         MOFV70 KWBD  [102 HR]

         LOFN70 KWBD  [108 HR]

         MOFW70 KWBD  [114 HR]

         LOFO70 KWBD  [120 HR]

         MOFZ70 KWBD  [NOTE 8]

         LOFP70 KWBD  [132 HR]

         LOFQ70 KWBD  [144 HR]

         LOFR70 KWBD  [156 HR]

         LOFS70 KWBD  [168 HR]

         LOFT70 KWBD  [180 HR]

         LOFU70 KWBD  [192 HR]



SURFACE LIFTED INDEX [SECOND CHARACTER IS  X ]

         MXFU98 KWBD  [90 HR]

         LXFM98 KWBD  [96 HR]

         MXFV98 KWBD  [102 HR]

         LXFN98 KWBD  [108 HR]

         MXFW98 KWBD  [114 HR]

         LXFO98 KWBD  [120 HR]

         MXFZ98 KWBD  [NOTE 8]

         LXFP98 KWBD  [132 HR]

         LXFQ98 KWBD  [144 HR]

         LXFR98 KWBD  [156 HR]

         LXFS98 KWBD  [168 HR]

         LXFT98 KWBD  [180 HR]

         LXFU98 KWBD  [192 HR]



TOTAL PRECIPITATION AT SURFACE [SECOND CHARACTER IS  E ]

         MEFU98 KWBD  [90 HR]

         LEFM98 KWBD  [96 HR]

         MEFV98 KWBD  [102 HR]

         LEFN98 KWBD  [108 HR]

         MEFW98 KWBD  [114 HR]

         LEFO98 KWBD  [120 HR]

         MEFZ98 KWBD  [NOTE 8]

         LEFP98 KWBD  [132 HR]

         LEFQ98 KWBD  [144 HR]

         LEFR98 KWBD  [156 HR]

         LEFS98 KWBD  [168 HR]

         LEFT98 KWBD  [180 HR]

         LEFU98 KWBD  [192 HR]



MAXIMUM TEMPERATURE MINIMUM TEMPERATURE AND TOTAL CLOUD COVER [SECOND CHARACTER IS A - SEE NOTE 5]

         MAFU98 KWBD  [90 HR]

         LAFM98 KWBD  [96 HR]

         MAFV98 KWBD  [102 HR]

         LAFN98 KWBD  [108 HR]

         MAFW98 KWBD  [114 HR]

         LAFO98 KWBD  [120 HR]

         MAFZ98 KWBD  [NOTE 8]

         LAFP98 KWBD  [132 HR]

         LAFQ98 KWBD  [144 HR]

         LAFR98 KWBD  [156 HR]

         LAFS98 KWBD  [168 HR]

         LAFT98 KWBD  [180 HR]

         LAFU98 KWBD  [192 HR]



SURFACE PRESSURE AND MSLP [STANDARD/NORMAL NCEP REDUCTION] [SECOND CHARACTER IS P - SEE NOTE 6]

         MPFU## KWBD  [90 HR]

         LPFM## KWBD  [96 HR]

         MPFV## KWBD  [102 HR]

         LPFN## KWBD  [108 HR]

         MPFW## KWBD  [114 HR]

         LPFO## KWBD  [120 HR]

         MPFZ## KWBD  [NOTE 8]

         LPFP## KWBD  [132 HR]

         LPFQ## KWBD  [144 HR]

         LPFR## KWBD  [156 HR]

         LPFS## KWBD  [168 HR]

         LPFT## KWBD  [180 HR]

         LPFU## KWBD  [192 HR]



MSLP [ETA REDUCTION] [SECOND CHARACTER IS  Z ]

         MZFU89 KWBD  [90 HR]

         LZFM89 KWBD  [96 HR]

         MZFV89 KWBD  [102 HR]

         LZFN89 KWBD  [108 HR]

         MZFW89 KWBD  [114 HR]

         LZFO89 KWBD  [120 HR]

         MZFZ89 KWBD  [NOTE 8]

         LZFP89 KWBD  [132 HR]

         LZFQ89 KWBD  [144 HR]

         LZFR89 KWBD  [156 HR]

         LZFS89 KWBD  [168 HR]

         LZFT89 KWBD  [180 HR]

         LZFU89 KWBD  [192 HR]



NOTES 1. THE FREQUENCIES CORRESPOND TO EACH MODEL RUN. ALASKA-REGION DGEX GRIDS WILL BE DISTRIBUTED TWICE PER DAYIN ASSOCIATION WITH THE 00 & 12UTC NCEP MODEL CYCLES.

2. THE GEOPOTENTIAL HEIGHT HEADERS CORRESPOND TO THE FOLLOWING FIVE LEVELS
WITH THE ASSOCIATED WMO HEADER  ii  VALUES IN PARENTHESES- 1000MB[99]

850MB[85]

700MB[70]

500MB[50]  AND 250MB[25].

3. THESE HEADERS CORRESPOND TO THE FOLLOWING TEN LEVELS WITH THE ASSOCIATED WMO HEADER ii VALUES IN PARENTHESES:

2 METER AGL[98]

0-30MB AGL[86]

30-60MB AGL[86]

60-90MB AGL[86]

90-120MB AGL[86]

120-150MB AGL[86]

150-180MB AGL[86]

850MB[85]

700MB[70] AND 500MB[50].

4. THESE HEADERS CORRESPOND TO THE FOLLOWING ELEVEN LEVELS WITH THE ASSOCIATED WMO HEADER ii VALUES IN PARENTHESES-

10 METER AGL[98]

0-30MB AGL[86]

30-60MB AGL[86]

60-90MB AGL[86]

90-120MB AGL[86]

120-150MB AGL[86]

150-180MB AGL[86]

850MB[85]

700MB[70]

500MB[50] AND 250MB[25].
5. THE MINIMUM AND MAXIMUM TEMPERATURE PARAMETERS ARE VALID AT 2 METER AGL COVERING THE SIX HOUR PERIOD LEADING UP TO THE GRID'S VALID TIME.

6. FOR SURFACE PRESSURE ##=98

- FOR MSLP [STANDARD/NORMAL/NCEP REDUCTION] ##=89.

7. THE CCCC FIELD OF THE WMO HEADER [I.E. CHARACTERS 8-11] IS KWBD FOR ALL GRIDS IN THIS RC.

8. HEADERS OF THE FORM  M??Z.. KWBD  CORRESPOND TO

126

138

150

162

174 AND 186 HOURS. THUS THESE HEADERS HAVE A HIGHER FREQUENCY OF OCCURRENCE THAN THE OTHER HEADERS.

9. OS&T/SEC ESTIMATES THAT THE COMPLETE OCONUS DGEX GRID SET WILL BE APPROXIMATELY 54 MBYTES [IN SIZE] PER MODEL RUN. THIS ESTIMATE WAS BASED ON THE KNOWN SIZES OF THE 185 [CONUS] GRID AND THE RELATIVE SIZE OF THE 186 [OCONUS] GRIDS.

THUS FOR THE TWO DAILY RUNS [I.E. 00 & 12 UTC] THE TOTAL DAILY VOLUME WILL BE APPROXIMATELY 108 MBYTES.


FOR FOS/NOAAPORT AND NON-AWIPS CUSTOMERS - IF YOU  HAVE ANY
QUESTIONS REGARDING ROUTING OR WOULD LIKE TO ADD THESE
PRODUCTS TO YOUR DATASTREAM PLEASE CONTACT.

Data Management
EMail   nws.dm@xxxxxxxx

THIS INFORMATION IS ALSO POSTED ON THE NWS DATA MANAGEMENT CHANGE

NOTICES WEB PAGE. THE URL IS LISTED BELOW.

http://www.nws.noaa.gov/datamgmt/index.html

DATA MANAGEMENT
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