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NOUS41 KWBC 051900 PNSWSH PUBLIC INFORMATION STATEMENT...COMMENT REQUEST NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 200 PM EST FRI DEC 5 2008 TO: SUBSCRIBERS: -FAMILY OF SERVICES -NOAA WEATHER WIRE SERVICE -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK -WEB OPERATIONS CENTER OTHER NWS PARTNERS...USERS AND EMPLOYEES FROM: JORDAN ALPERT...ENVIRONMENTAL MODELING CENTER /EMC/ RICK HACKENBERG...NCEP CENTRAL OPERATIONS /NCO/ SUBJECT: SOLICITING PUBLIC COMMENTS BY JANUARY 16 2009 ON PROPOSED UPGRADE OF HIGH AVAILABILITY ANONYMOUS FTP SERVICES AT THE WEB OPERATIONS CENTER /WOC/ AND APPLICATIONS FOR SERVING DATA FROM THE NOAA OPERATIONAL MODEL ARCHIVE DISTRIBUTION SYSTEM /NOMADS/ NWS IS SOLICITING COMMENTS BY JANUARY 16 2009 ON A KEY COMPONENT OF ITS INFORMATION DATA BASE: THE MODEL OUTPUT DATA FROM ATMOSPHERIC...OCEAN AND CLIMATE NUMERICAL WEATHER PREDICTION /NWP/ MODELS. THIS DATA IS OPERATIONALLY PREPARED AT THE NATIONAL CENTERS FOR ENVIRONMENTAL PREDICTION /NCEP/. THE NOAA OPERATIONAL MODEL ARCHIVE AND DISTRIBUTION SYSTEM /NOMADS/ BEGAN AS A PILOT PROJECT DESIGNED TO PROVIDE A SERVICE ORIENTED FRAMEWORK FOR: - A DIGITAL ARCHIVE AND REAL TIME DISTRIBUION OF NOAA’S OPERATIONAL WEATHER MODELS - AN INNOVATIVE DATA ACCESS PHILOSOPHY TO PROMOTE INTEROPERABLE ACCESS ACROSS THE GEOSCIENCES - AN INTEGRATOR OF COMMON WEB SERVICES INFRASTRUCTURE TO SUPPORT THE DISCOVERY...ACCESS...AND TRANSPORT OF DATA - REAL-TIME AND RETROSPECTIVE FORMAT INDEPENDENT ACCESS TO CLIMATE...OCEAN...AND WEATHER MODEL DATA. NWS IS SEEKING COMMENTS ON A PROPOSED UPGRADE PROVIDING HIGH AVAILABILITY NOMADS APPLICATIONS FOR SERVING MODEL DATA ON THE WOC SERVER. IN ADDITION TO ANONYMOUS FTP SERVICES AT THE WOC...NCEP WOULD INTRODUCE THE FOLLOWING NOMADS WEB BASED ACCESS APPLICATIONS: 1. GRIB_FILTER: PROVIDES ACCESS TO BINARY GRIB DATA WITH SUB- SETTING THROUGH TIME...SPACE AND VARIABLES USING TRADITIONAL BUT ENHANCED FTP PROCESSES. DATA ARE PROVIDED IN RAW GRIB FORMAT ONLINE AND RESULTS ARE REPACKAGED GRIB FILES STREAMED TO USER WORKSTATIONS. WEB INTERFACES COMMUNICATE USER REQUESTS AND HTTP PROTOCOL IS USED TO DELIVER RESULTS. 2. OPENDAP /GDS/DODS/ SERVER: THE OPEN SOURCE PROJECT FOR A NETWORK DATA ACCESS PROTOCOL /OPENDAP/ IMPLEMENTED UNDER THE GRADS DATA SERVER /GDS/ DISTRIBUTED OCEAN DATA SYSTEM /DODS/ PROVIDES SIMPLE FILE-LEVEL ACCESS/DOWNLOAD VALUES OF ENTIRE FILES OR ONE OR MORE VALUES FROM THE MATRIX OF SERVER GRIB DATA HOLDINGS. THESE CHANGES ARE MADE TO ADDRESS A GROWING NEED FOR REMOTE ACCESS TO HIGH VOLUME NWP MODEL DATA. A MORE DETAILED DESCRIPTION OF THESE CHANGES CAN BE FOUND AT /USE LOWERCASE/: HTTP://NOMADS.NCEP.NOAA.GOV/ AND VIA SERVICE DESCRIPTION DOCUMENT UNDER THE HEADING SERVICE DOCUMENT AT THE ABOVE WEBSITE SEND COMMENTS ON THESE PROPOSED CHANGES BY JANUARY 16 2009 TO JORDAN.ALPERT@xxxxxxxx. FOR QUESTIONS...PLEASE CONTACT: NCEP NOMADS HIGH AVAILABILITY TECHNICAL SUPPORT: NCEP NCO PMB HELPDESK 301-763-8000X7198 SCIENCE/DATA QUESTIONS: JORDAN ALPERT JORDAN.ALPERT@xxxxxxxx 301-763-8000X7205 NWS PUBLIC INFORMATION STATEMENTS ARE ONLINE AT /USE LOWERCASE/: HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM $$ NNNN
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