[nws-changes] 20090506: NDFC comments requested

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: [nws-changes] 20090506: NDFC comments requested
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Wed, 06 May 2009 07:08:28 -0600

NOUS41 KWBC 061212

PUBLIC INFORMATION STATEMENT...COMMENTS REQUESTED
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
812 AM EDT WED MAY 6 2009

TO:       SUBSCRIBERS:
         -FAMILY OF SERVICES
         -NOAAPORT
         -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
         OTHER NWS PARTNERS...USERS AND EMPLOYEES

FROM:     ROBERT BUNGE
         INTERNET DISSEMINATION OFFICER
         OFFICE OF THE CHIEF INFORMATION OFFICER

SUBJECT:  COMMENTS REQUESTED BY OCTOBER 31 2009 ON
         EXPERIMENTAL SERVICE  ALLOWING NDFD USERS TO
         IDENTIFY UPDATED NATIONAL DIGITAL FORECAST
         DATABASE /NDFD/ GRIDS

EFFECTIVE WEDNESDAY MAY 1 2009...AT APPROXIMATELY 1500
COORDINATED UNIVERSAL TIME /UTC/...NWS WILL ESTABLISH AN
INTERNET SERVICE THAT ALLOWS GENERAL REGULARLY-DISTRIBUTED
INFORMATION IN BINARY FORM /GRIB2/ DOWNLOAD USERS TO DETERMINE
WHICH FILES HAVE BEEN RECENTLY UPDATED.  THE RECENTLY UPDATED
GRIDS SERVICE /RUGS/ CAN BE USED TO AVOID DOWNLOADING NDFD
FILES THAT HAVE NOT BEEN MODIFIED.

RUGS IS A WEB SERVICE BASED ON THE ATOM SYNDICATION FORMAT.
SERVICE USERS SUBMIT AN HTTP REQUEST TO THE SERVICE CONSISTING
OF THE FOLLOWING INPUTS:

     LOCATIONTYPE: USERS INDICATE WHAT TYPE OF LOCATION INPUT
                   THEY WILL PROVIDE. SUPPORTED LOCATION
                   TYPES INCLUDE WFO IDENTIFIER, NDFD SECTOR
                   NAME, STATE ABBREVIATION, OR GRID POINT.
         LOCATION: LIST OF LOCATION VALUES APPROPRIATE FOR
                   THE LOCATION TYPE.
          ELEMENT: LIST OF NDFD ELEMENT IDENTIFIERS.
ISSUANCESEARCHTIME: TIME TO START SEARCHING FOR UPDATED FILES.
  SEARCHSTARTTIME: TIME TO START SEARCHING FOR UPDATED VALID
                   TIMES WITHIN AN UPDATED FILE.
    SEARCHENDTIME: TIME TO STOP SEARCHING FOR UPDATED VALID
                   TIMES WITHIN AN UPDATED FILE.
 SHOWCHANGEDTIMES: REQUESTS VALID TIMES THAT CHANGED IN AN
                   UPDATED FILE.

RUGS RETURNS AN ATOM DOCUMENT CONTAINING URLS TO UPDATED
GRIB2 FILES AS CONSTRAINED BY USER INPUT. USERS CAN THEN
DOWNLOAD THE FILES BY ACCESSING THE URL.

USERS CAN PROVIDE FEEDBACK ABOUT THE EXPERIMENTAL RUGS SERVICE AT
THE FOLLOWING WEB ADDRESS. /USE LOWERCASE EXCEPT FOR RUGS/:

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

A 6-MONTH PUBLIC COMMENT PERIOD WILL BEGIN ON THE DATE OF
ACTIVATION AND END ON OCTOBER 31 2009.

MORE DETAILS REGARDING RUGS WILL BE PROVIDED IN A SERVICE
DESCRIPTION DOCUMENT WHICH WILL BE ADDED TO THE ONLINE CATALOG
OF NWS PRODUCTS AND SERVICES BEFORE THE IMPLEMENTATION DATE.
REFER TO /USE LOWERCASE/:

 HTTPS://PRODUCTS.WEATHER.GOV/VIEWLISTE.PHP

ADDITIONAL INFORMATION REGARDING RUGS IS AVAILABLE ON THE
SERVICE HOME PAGE /USE LOWERCASE/:

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

FOR QUESTIONS REGARDING THIS SERVICE...PLEASE CONTACT:

ROBERT BUNGE                      JOHN SCHATTEL
INTERNET DISSEMINATION OFFICER  METEOROLOGIST
OFFICE OF CHIEF INFORMATION     OFFICE OF SCIENCE AND
 OFICER                          TECHNOLOGY

ROBERT.BUNGE@xxxxxxxx          JOHN.SCHATTEL@xxxxxxxx

PLEASE CONTACT:

    DAVID RUTH
    CHIEF...MESOSCALE PREDICTION BRANCH
    NATIONAL WEATHER SERVICE
    OFFICE OF SCIENCE AND TECHNOLOGY
    SILVER SPRING MARYLAND
    DAVID.RUTH@xxxxxxxx

NATIONAL TECHNICAL IMPLEMENTATION NOTICES ARE ONLINE AT
/USE LOWERCASE/:

    HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM

$$