NOUS41 KWBC 291634
PNSWSH

TECHNICAL IMPLEMENTATION NOTICE 07-19
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
1235 PM EDT THU MAR 29 2007

TO:       FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA 
          WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...
          EMERGENCY MANAGERS WEATHER INFORMATION 
          NETWORK /EMWIN/ SUBSCRIBERS...NOAAPORT 
          SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE 
          /NWS/ CUSTOMERS AND PARTNERS...AND NWS 
          EMPLOYEES

FROM:     GLENN AUSTIN 
          NWS DIGITAL SERVICES TRANSITION MANAGER
          OFFICE OF CLIMATE WATER AND WEATHER SERVICES

SUBJECT:  EXPERIMENTAL WEB FEATURE SERVICE ACCESS TO THE 
          NATIONAL DIGITAL FORECAST DATABASE ELEMENTS 
          BEGINS MAY 1 2007

EFFECTIVE TUESDAY MAY 1 2007 AT 1400 COORDINATED UNIVERSAL TIME 
/UTC/... NWS WILL BEGIN PROVIDING EXPERIMENTAL WEB FEATURE SERVICE 
/WFS/ ACCESS TO THE NATIONAL DIGITAL FORECAST DATABASE /NDFD/.
 
THE NDFD WFS SERVER WILL PROVIDE STANDARDS-BASED ACCESS TO THE 
NDFD USING OPEN GEOSPATIAL CONSORTIUM SPECIFICATIONS FOR SHARING 
DATA. THE WFS ALLOWS A SPECIFICATION-COMPLIANT CLIENT APPLICATION 
TO REQUEST FEATURE DATA FROM THE NDFD WFS SERVER. ONCE THE DATA 
ARE RECEIVED...THE CLIENT CAN DISPLAY THE NDFD DATA AND MERGE IT 
WITH OTHER DATA SOURCES WITHIN A GEOGRAPHIC INFORMATION SYSTEM.  

FOR INFORMATION ON THE EXPERIMENTAL NDFD WFS...REFER TO /USE LOWER 
CASE LETTERS/:

     HTTP://WWW.WEATHER.GOV/FORECASTS/XML/OGC_SERVICES/

FOR MORE INFORMATION ON THE OPEN GEOSPATIAL CONSORTIUM
WEB FEATURE SERVICE STANDARD...REFER TO /USE LOWER CASE LETTERS/:

     HTTP://WWW.OPENGEOSPATIAL.ORG/STANDARDS/WFS

MORE DETAILS ABOUT NDFD WFS WILL BE PROVIDED IN A SERVICE 
DESCRIPTION DOCUMENT /SDD/ BEFORE THE IMPLEMENTATION DATE.  
THE SDD WILL BE ADDED TO THE ONLINE CATALOG OF EXPERIMENTAL NWS 
PRODUCTS AND SERVICES AND THE LIST OF NDFD-RELATED SDDS BEFORE THE 
IMPLEMENTATION DATE.  REFER TO /USE LOWER CASE LETTERS/:

     HTTP://PRODUCTS.WEATHER.GOV/VIEWLISTE.PHP
     HTTP://WWW.WEATHER.GOV/NDFD/PDD.HTM

FOR GENERAL INFORMATION ON THE NDFD ELEMENTS AVAILABLE THROUGH 
THIS SERVICE...REFER TO /USE LOWER CASE LETTERS/:

     HTTP://NDFD.WEATHER.GOV/TECHNICAL.HTM

IF MAY 1 2007 IS A CRITICAL WEATHER DAY...THIS IMPLEMENTATION MAY 
BE POSTPONED.  IN THAT CASE USERS WILL BE NOTIFIED OF THAT 
DECISION VIA A TECHNICAL IMPLEMENTATION NOTICE AS FAR IN ADVANCE 
AS POSSIBLE.

USER FEEDBACK IS AN IMPORTANT PART OF THE NWS ASSESSMENT OF 
EXPERIMENTAL SERVICES. PLEASE SUBMIT YOUR COMMENTS AND FEEDBACK ON 
THE EXPERIMENTAL NDFD WEB FEATURE SERVICE BY COMPLETING THE BRIEF 
ONLINE SURVEY AT /USE LOWER CASE LETTERS/:

     HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=NDFD-WFS

COMMENTS AND FEEDBACK ON THE EXPERIMENTAL NDFD WEB FEATURE SERVICE 
WILL BE ACCEPTED THROUGH OCTOBER 31 2007.

THIS SERVICE WILL REMAIN EXPERIMENTAL UNTIL ALL FEEDBACK IS 
ASSESSED AND A TECHNICAL ANALYSIS IS COMPLETED.  AT THAT TIME... 
THE NWS WILL DETERMINE WHETHER TO TRANSITION THIS WEB SERVICE TO 
OPERATIONAL STATUS...DISCONTINUE THE SERVICE...OR REVISE AND 
RETAIN THE SERVICE IN EXPERIMENTAL STATUS.

IF YOU HAVE ANY QUESTIONS REGARDING THIS SERVICE...PLEASE 
CONTACT:

ROBERT BUNGE                   JOHN SCHATTEL 
DIRECTOR...INTERNET SERVICES   METEOROLOGIST
OFFICE OF CIO                  OFFICE OF SCIENCE AND TECHNOLOGY
SILVER SPRING MARYLAND         SILVER SPRING MARYLAND
PHONE: 301-713-1381 X140       PHONE: 301-713-0056 X111
ROBERT.BUNGE@NOAA.GOV          JOHN.SCHATTEL@NOAA.GOV

IF YOU HAVE QUESTIONS REGARDING THIS NOTICE...PLEASE CONTACT:

     ROBERT BUNGE
     HIS CONTACT INFORMATION IS SHOWN ABOVE
     
IF YOU HAVE TECHNICAL QUESTIONS REGARDING THE NDFD DATA...PLEASE 
CONTACT:

     DAVID RUTH
     CHIEF...MESOSCALE PREDICTION BRANCH
     NATIONAL WEATHER SERVICE
     OFFICE OF SCIENCE AND TECHNOLOGY
     SILVER SPRING MARYLAND
     EMAIL:  DAVID.RUTH@NOAA.GOV

TECHNICAL IMPLEMENTATION NOTICES SPECIFICALLY RELATED TO THE 
NDFD ARE AVAILABLE ONLINE AT /USE LOWER CASE LETTERS/:

     HTTP://WWW.WEATHER.GOV/NDFD/TINS.HTM

THIS AND OTHER TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLE 
ONLINE AT /USE LOWER CASE LETTERS/:

     HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

$$
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