National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
NOUS41 KWBC 041600 AAB
PNSWSH

Service Change Notice 24-20 Updated
National Weather Service Headquarters Silver Spring MD
1200 PM EDT Thu Apr 4 2024

To: Subscribers:
 -NOAA Weather Wire Service
 -Emergency Managers Weather Information Network
 -NOAAPort
 Other NWS Partners, Users and Employees

From: Douglas C. Young, Chief
 Digital and Graphical Information Support Branch

Subject: Updated: Provision of Full-Resolution National Digital
Forecast
 Database (NDFD) Data and Air Quality National Digital
Guidance
 Database (NDGD) via Amazon Web Services (AWS) Transitioning
to
 Operational Status on or about April 17, 2024

Updated for new implementation date of on or about April 17, 2024 for
Provision of Full-Resolution National Digital Forecast Database
(NDFD)
Data Transitioning to Operational Status.

The provision of NDFD and Air Quality data via AWS will enable users
to
access all existing operational and experimental NDFD and Air Quality
NDGD
data at the finest temporal and spatial resolutions in GRIdded Binary
data
Edition 2 (GRIB2), image/display, and eXtensible Markup Language
(XML)
format.

Full resolution map images of NDFD will be available at the same
graphical.weather.gov and digital.weather.gov URLs which show lower
resolution images now. Some bookmarks that specify page options via
the
URL may need to be updated. NDFD XML data currently available at
graphical.weather.gov/xml and digital.weather.gov/xml will be
available at
the same URLs, but with finer temporal and spatial resolution than is
currently available operationally. No changes to the XML query
strings
should be required to access these data at full resolution.

URLs for the current full-resolution prototype sites
(https://digital.mdl.nws.noaa.gov,
https://graphical.mdl.nws.noaa.gov, and
https://digital.mdl.nws.noaa.gov/airquality) will redirect to
operational
sites of https://digital.weather.gov/, https://graphical.weather.gov/
and
https://airquality.weather.gov/.

In addition, full-resolution NDFD element images can now be accessed
via
Web Map Services (WMS). Click on the NDFD Data link along the bottom
of
the map image to learn how to do this.

Further information on accessing and using NDFD is available online
at:
https://vlab.noaa.gov/web/mdl/ndfd

A complete description of all NDFD data on AWS may be found at the
following link:
https://nsdesk.servicenowservices.com/api/g_noa/nwspc/res2/f17554461b
d8465
4b13387bae54bcb1e

And description of NDGD data at:
https://nsdesk.servicenowservices.com/api/g_noa/nwspc/res2/5ae1170d1b
e48e1
0ee15a7dbe54bcbc9

For general questions regarding NDFD data, please email:
nws.ndfd@noaa.gov

For technical questions regarding NDFD data, please contact:

David Ruth
Chief, Digital Forecast Services Division
NWS Meteorological Development Laboratory
Silver Spring, MD
david.ruth@noaa.gov

For technical questions regarding NDGD data, please contact:

Youngsun Jung
NWS OSTI Air Quality Program Manager
youngsun.jung@noaa.gov

For questions regarding this notice, please contact:

Brian Miretzky
NWS Digital and Graphical Information Support Branch
Silver Spring, MD
brian.miretzky@noaa.gov

Or:

Kimberly McMahon
NWS AFSO/FSD Public Services Program Manager
Silver Spring, MD
kimberly.mcmahon@noaa.gov

National Service Change Notices are online at:

https://www.weather.gov/notification/