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Home > XML > XML Change Notices
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NOAA's National Weather Service offers several XML services
|Forecasts||Watch/warnings||Current Observations||Tropical Cyclone Advisories||Storm Prediction Center Forecast Products||Change Notices|
Recent National Weather Service XML service change notices are listed below.
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NDFD-XML: For SSL security, instances of "http" changed to "https" where appropriate for the NDFD Web Service
For more information see the Details...
NDFD-XML: Add new hazard translations for SS.A, SS.W, BH.S, and RP.S
Four new Hazards Codes, beach hazards (BH.S), rip currents (RP.S), and storm surge (SS.A and SS.W) were added for the NDFD Web Service. Details...
NDFD-XML: Outdated MapClick links changed in moreWeatherInformation XML tag
Outdated MapClick links changed for the NDFD Web Service. The moreWeatherInformation tag was previously in the form: http://forecast.weather.gov/MapClick.php?textField1=38.99textField2=-77.01. It has been updated to: https://forecast.weather.gov/point/38.99,-77.01 Details...
NDFD-XML: New NDFD SOAP/REST XML Web Service Install Tuesday June 19th, 2012
On Tuesday, June 19th, MDL will install a new version of the NDFD SOAP/REST XML Web Service.
The release is for the addition of two new NDFD elements: Maximum and Minimum Daily Relative Humidity.
This should not interrupt services, except for those who have scripts in which every parameter must be denoted:
i.e., for a new SOAP Request, the following will need to be added: -------------------------------------------------------------------------------------------------------------------------
maxrh xsi:type="xsd:boolean">0 /maxrh> ------
minrh xsi:type="xsd:boolean">0 /minrh>
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On Mon June 18th or Tuesday June 19th, as the time of the switchover becomes clear, we will send out another email, we will post
the information on the NDFD Web Service yahoo list forum at http://tech.groups.yahoo.com/group/NDFD_SOAP_Service/
and post the information here in xml_changes.xml (https://graphical.weather.gov/xml/xml_changes.xml and https://graphical.weather.gov/xml/xml_change_notices.php)
Please use the following channels to let us know of any problems accessing the NDFD Web Service immediately after the switch:
1) Email the NIDS support crew at nids.support@noaa.gov -----------------------------------------------
2) Open up a trouble ticket with the National Weather Service Telecommunication Gateway's TOC (Traffic Operations
Center) at toc.nwstg@noaa.gov -------------------------------------------------
3) Use the NDFD Web Service yahoo list forum to report issues: http://tech.groups.yahoo.com/group/NDFD_SOAP_Service/
Details...
NDFD-XML: Maximum and Minimum Relative Humidity added to NDFD Web Service
Two new Fire Weather elements, Maximum and Minimum Relative Humidity, will be added for dissimination through the NDFD Web Service. For more information see the Details...
NDFD-XML: Ice Accumulation added to NDFD Web Service
Ice Accumulation has been added for dissimination through the NDFD Web Service. For more information
see the Details...
NDFD-XML: Fire Weather elements added to NDFD Web Service
Two new Fire Weather elements - "Fire Weather Critical and Extremely Critical Areas (Days 1-7)"
and "Fire Weather Critical Areas for Dry Thunderstorms (Days 1-3)" have been added for dissimination through
the NDFD Web Service. For more information see the Details...
NDFD-XML: Updated .xsd and ndfdXML.wsdl file for NDFD Web Service
In response to the redirect from "http://http://www.weather.gov/forecasts/xml" URL to
"https://graphical.weather.gov/xml" (see below), the followng files have had instances of
"www.weather.gov/forecasts" changed to "graphical.weather.gov": Details...
NDFD-XML: A new NDFD Web Service release was distributed last week with some unforeseen issues.
Firstly, a redirect issuing HTTP 301 errors (permanent redirects) from the
"http://www.weather.gov/forecasts/xml" URL to "https://graphical.weather.gov/xml"
has caused some application compatibility issues.
Secondly, new input parameters to the known functions (seen here:
Details...
Discontinuance of the NDFD Web Feature Service.
Over the life of its experimental comment period, the National Digital Forecast Database
(NDFD) Web Feature Service (WFS) received very few requests for data and did not develop
a set of consistent users. NOTE!! This is not the popular NDFD SOAP and REST Service, but
the WEB FEATURE SERVICE. As a consequence, effective March 01, 2011, at approximately
1500 Coordinated Universal Time (UTC) and in accordance Details...
NDFD-XML: Snow Amount measurements
As of February 9, 2011, Snow Amounts in inches are no longer rounded to whole inch, but displayed in decimal form. Details...
NDFD-XML: New RTMA conus grid resolution of 2.5km
As of October 2010, Real Time Mesoscale Analysis data are coming in on 2.5km grid. Updates to software are included to accommodate this change. Details...
RSS/CAP XML: Phase out of CAP 1.0 feeds
Effective December 31, 2009, the RSS/CAP version 1.0 feeds of active watch/warnings/advisories located at http://www.weather.gov/alerts/ have been phased out by the CAP version 1.1 feeds located at http://www.weather.gov/alerts-beta/. The CAP 1.0 feeds will remain active until about March 15, 2009, at which time redirects will be put in place to the CAP 1.1 feeds. At about this time, it is expected the CAP 1.1 feeds will migrate to the address http://alerts.weather.gov/ at which time they will be declared official and operational. Details...
Current Obs XML: Application of new schema
As of June 2, 2009, a new current observation schema is in place, as originally noted in April of 2008. The new schema allows fields that contain no data to not to have to appear in the xml data files. This was done to bring the actual XML into compliance with the schema and also to support a large number of new fields that would be empty for many observation stations. As a result of this change, xml files are now available for marine buoy observation sites. Details...
XML Alerts: Seeking comments on experimental CAP 1.1 messages
NWS is accepting comments through December 1, 2008 on experiemental enhanced feeds of NWS watch/warning and advisories in the CAP 1.1 format. These feeds feature more detailed pre-parsing of NWS products than previously available and also feature ATOM based index feeds. It is expected these feeds will replace the current feeds over the next 18 months. Details...
Current Obs XML: ZIP file collections of all observations available
Complete collections of the RSS and XML current observation files are now available. These files contain all current files of the two types for those who wish to download all files at once. These are updated hourly, normally about 10 minutes past the hour. Details...
Current Obs XML: Marine and Surf obervations elements added to schema
Effective April 16, 2008, the schema for the current observation feeds has been updated for to include marine and surf related items
The updated XSD introduces 19 parameters related to marine and surf observations. These parameters will be included in XML observations when the data for each is available. The new parameters are:
water temperature: water_temp_f (fahrenheit) and water_temp_c (celsius),
wind and wind gusts (knots): wind_kt and wind_gust_kt,
pressure tendency: pressure_tendency_mb (millibars) and pressure_tendency_in (inches of mercury),
wave height: wave_height_m (meters) and wave_height_ft (feet),
wave periods (seconds), dominant and average: dominant_period_sec and average_period_sec,
mean wave direction: mean_wave_dir (16 point compass) and mean_wave_degrees (360 degrees),
tide information (reported by some buoys): tide_ft (feet),
wave steepness (ratio of wave height to wave length): steepness,
water column height (reported by DART buoys): water_column_height (meters),
surf height: surf_height_ft (feet),
swell: swell_dir (16 point compass), swell_degrees (360 degrees) and swell_period (seconds) Details...
NDFD XML: National Digital Forecast Database Now Disseminates Real-time Mesoscale Analysis Data
Effective January 15, 2008, the National Digital Forecast Database (NDFD) Simple Object Access Protocol (SOAP) and
Web Feature Service (WFS) began disseminating Real-time Mesoscale Analysis (RTMA) data. SOAP and WFS users can
find out more information about the six new RTMA elements at http://www.weather.gov/os/notification/tin06-24rtma_grids.txt.
Additional information on how to access the new data through the SOAP service and WFS can be found at
https://graphical.weather.gov/xml/ and https://graphical.weather.gov/xml/OGC_services/. Details...
NDFD XML: National Weather Service Extends Comment Period for Experimental Web Feature Service
Effective November 23, 2007, NWS has extended the comment period for the experimental web feature servic
e (WFS) access to the National Digital Forecast Database through April 30, 2008. The WFS will remain experimental through the comment period. After the comment period closes, on April 30, 2008, all feedback will be assessed and a technical analysis will be completed. Upon completion of those tasks, the NWS will determine whether to transsition this service to operational status, discontinue it or revise and retain it as experimental. Details...
NDFD XML: SOAP Service Oct 18 Upgrades Delayed until Monday Oct 22
Service enhancements scheduled for Oct 18th, have been delayed until Monday Oct 22. Technical problems prevented the deployment on Thursday the 18th. Unless there is an emergency policy is to not to deploy new operational code on Fridays. Details...
NDFD XML: SOAP Service experincing technical problems 9/21
The file server supporting the NDFD SOAP service experienced technical problems the morning of 9/21. Service was restored about 11:20am eastern. Details...
NDFD XML: SOAP Service experincing technical problems 9/21
The file server supporting the NDFD SOAP service has experienced some technical problems the mroning of 9/21. The service is expected to be restored about 11am Eastern. Details...
NDFD XML: SOAP Service Will Support Multiple Point Requests Beginning October 18, 2007
Effective October 18, 2007 at 1400 Coordinated Universal Time (UTC), the NWS will begin
supporting NDFD SOAP web service requests containing multiple locations. For more
information on the new functionality please see
http://www.weather.gov/os/notification/tin07-63_ndfd_enhancement.txt. The improved
service also helps user identify which points to submit as input by allowing the user
to locate NDFD points within a rectangle, on a line, or for one or more zip codes. Details...
NDFD XML: Period Time and Name Fixes
The NDFD SOAP service period times were corrected so that the start-valid-time tag picks up where the previous end-valid-time
tag left off. Prior to this fix, there was a one hour difference between start and end times. The release also handles the
case where there is old data from the provious night still in the database. The period name will now read "Last Night". The period name for overnight data being requested after midnight, but before 6 AM, will now read "Early This Morning". Details...
NDFD XML: SOAP Service Upgrades to degrib Formatted DWML
The NDFD-XML service will migrate to a new backend application (degrib) to format its DWML encoded NDFD data. The SOAP service user experience
should remain unchanged due to this code upgrade. To ensure a smooth transition to the new formatter, we have deployed
a parallel version of the SOAP service on the National Weather Service website that uses the new formatter. We invite you to try the new version
of the service at http://www.weather.gov/mdl/XML/Ccode_test/SOAP_server/ndfdXMLserver.php?. If you do experiment with the new service, please
let us know. You can provide this information, along with any issues you encounter with the new service, at http://www.weather.gov/feedback.php. Details...
NDFD XML: National Weather Service Offers Experimental Web Feature Service
Effective Friday May 18, 2007, the National Weather Service will begin providing experimental Web Feature Service (WFS) access to the National Digital Forecaset
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 geographical information system. For more information on the experimental NDFD wFS, explore the service home page at https://graphical.weather.gov/xml/OGC_services/ . Details...
NDFD XML: Web/SOAP service back online
The NDFD-XML service was migrated to new hardware yesterday and has been running without any problems since yesterday afternoon. We will continue to monitor the situation as required. Thank you for your patience. Details...
NDFD XML: Web/SOAP service temporarily offline
The NDFD-XML service continues to be offline (although it has been up and down for short periods of time). We hope to try a technical fix later today (Tuesday, 9 May). Thank you for your patience. Details...
NDFD XML: Web/SOAP service temporarily offline
The NDFD-XML service is again offline, May 4, 2007, 10pm eastern, while we investigate extreme loading issues. We are exploring a number short term (this week), mid term (next week) and long term (a couple of months) approaches. Thank you for your understanding. If you are a user who needs to make large numbers of calls to the service, we HIGHLY recommend you explore using the Degrib process as described in the link above. With degrib, you download the binary forecast data to your local machine, then use a C program to query the data and return the NDFD-XML format. While we strive to improve and increase the capacity of the public web service, it is very difficult for us to support users who have a requirement to query large numbers of points in a short period of time. Details...
NDFD XML: Web/SOAP service online (for now)
The NDFD XML SOAP service is up, starting at 5:30 am eastern, Thurssday, May 3, 2007 and will remain online for as long as possible, until capacity is reached. Short term solutions continue to be worked on.a Details...
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