NOTE: For slower Internet connections and browsers, it is recommended to turn off the display of the interactive map. You can do this through the settings page under the "USER" menu.

(updated June 16, 2011)

16 June 2011
NOAA Logo NOTICE TO IFFDP USERS: We apologize for the recent unexpected changes to the look and feel of the Flight Folder web page. Users still have access to the IFFDP Flight Folder content without needing to register. Click on the “Flight Folder” link on the left-hand menu. Because the new Web-Enabled IFFDP (WebIFFDP) system is nearing operational roll-out, we have made some minor changes to the look and feel. If you have questions please email us webiffdp.help@noaa.gov or call the Help Desk at +1(877)280-2811.

08 June 2011
NOAA Logo NOTICE TO ALL USERS: The NWS maintenance scheduled for June 7 was postponed to June 8. The maintenance will occur between 1230-1345Z. During this period you may experience data loss or latency on our web pages. Specific data sets that may be affected are NCWF/NCWD, Icing Forecasts, Turbulence Forecasts, and PIREPs on AviationWeather.gov and ADDS. WIFS and WebIFFDP users may see data delays with International SIGMETs, TAFs, and METARs. We apologize for any inconvenience this may cause you.

07 June 2011
NOAA Logo Attention International Carriers: Comments are being sought on the experimental Web-enabled International Flight Folder Program (WebIFFDP). We value your feedback and encourage you to complete the survey. For more information see the Public Information Statement and the User Notification.

07 June 2011
NOAA Logo AviationWeather.gov and AviationWeather.gov/adds are now QICP Certified. See QICP Description for registration info and QICP Agreement for more details.

01 June 2011
NOAA Logo NCEP is pleased to announce the first edition of NCEP’s online Newsletter, which will appear on a quarterly basis. The newsletter, suggested as a result of a review of NCEP conducted by the University Corporation of Atmospheric Research (UCAR), will be distributed to NCEP customers and partners to keep them apprised of the breadth of NCEP activites. The newsletter can be accessed via a link from NCEP’s homepage, as well as from links from each of the NCEP Centers.

01 March 2011
NOAA Logo Collaborative Convective Forecast Product (CCFP) resumed 01 March 2011.

18 January 2011
NOAA Logo The Aviation Weather Center began operationally issuing the gridded Forecast Icing Severity (FIS) product effective 18 January 2011. See TIN 10-51 for more information. Click here for information on GRIB file parameter changes.

01 December 2010
NOAA Logo The Aviation Weather Center implemented changes to the Current Icing Product. The changes are internal to the GRIB file format. See TIN 10-46 for more information.

21 September 2010
NOAA Logo Federal Aviation Administration announces Public Meeting/Working Group With Industry on Volcanic Ash on November 5, 2010. Please click here for additional information.

16 June 2010
NOAA Logo The 2010 Aviation Weather Community Forum was held on May 25-26.  Click here for preliminary findings, pictures, and other information.

16 March 2010
NOAA Logo Graphical AIRMET (G-AIRMET) became an operational product at 15Z, 16 March, 2010. See Service Change Notice (SCN) 10-04 for details.

01 March 2010
NOAA Logo Collaborative Convective Forecast Product (CCFP) resumed 01 March 2010. See Technical Implementation Notice 10-08 for 2010 changes and other details.

11 February 2010
NOAA Logo Enhanced version of GTG was implemented on 11 February 2010. See Technical Implementation Notice 10-03 for details.

11 December 2009
NOAA Logo Briefing Slides from the Aviation Weather Testbed Forum held on November 18-19th, 2009 at AWC, are posted.

30 April 2009
NOAA Logo Briefing Slides from the Aviation Weather Community Forum held on April 14-16 at AWC, 2009 are posted.

27 January 2009
NOAA Logo The Aviation Weather Center will be hosting an Aviation Weather Community Forum April 14-16, 2009.  Click here for topics, registration, and other information.

11 February 2009
NOAA Logo Collaborative Convective Forecast Product (CCFP) resumed on 26 February, 2009. See Technical Implementation Notice 09-06 for details

01 October 2008
NOAA Logo Experimental Graphical Airman’s Meteorological Advisory (G-AIRMET) is now avaliable for all en-route aviation weather hazards. See G-AIRMET Help Page for details.

COSPAS-SARSAT
NOAA Logo ceased satellite monitoring of the 121.5 MHz frequency on February 1, 2009. If you fly an aircraft with an ELT, please visit www.sarsat.noaa.gov for further information.

04 September 2008
NOAA Logo On November 5, 2008 The AWC will eliminate the use of Above Ground Level (AGL) in Dallas and Chicago area forecasts See Technical Implementation Notice 08-70 for details.

30 June 2008
NOAA Logo On 01 October 2008, The AWC will begin issuing the Graphical Airman’s Meteorological Advisory (G-AIRMET) as an operational product. See Technical Information Notice 08-40 and Supplement for details.

22 April 2008
NOAA Logo On November 5, 2008 the Terminal Aerodrome Forecast (TAF) format will change to incorporate the new 30-hour TAF. See Service Change Notice 08-15 and Supplement for details.

17 March 2008
NOAA Logo The NWS will update Aviation Weather Advisory Plotting Chart Reference Points on Tuesday, April 15 2008 at 1500 UTC. See TIN Announcement and Supplement for details.

28 January 2008
NOAA Logo The issue times for the High and Mid level Significant Weather progs will change effective 12Z, 06 February, 2008. Please see Table(High) and Table(Mid) for details.

14 September 2007
NOAA Logo NWS will cease producing TWEB forecasts 30 September 2007. See Service Change Notice 07-44 for details.

27 August 2007
NOAA Logo NWS is seeking comments on Experimental version of the National Ceilings and Visiblity Analysis (NCVA). See PNS Announcement or for more information Click here ...

17 July 2007
NOAA Logo PNS announcement for upcoming changes to Domestic, Gulf of Mexico, and Carribean Area Forecasts effective 17 January 2008. Please see AviationWeather.gov/notify/ for examples.

12 July 2007
NOAA Logo AWC seeking administrators and programmers to work on ADDS and supporting systems. For more information and links to vacancy announcements, Click here ...

02 July 2007
NOAA Logo Experimental Graphical AIRMET (G-AIRMET) “Ceiling & Visibility”, and “Mountain Obscuration” will be made available for review for the period July 2 through August 31, 2007. More info ....

15 June 2007
NOAA Logo PNS announcement for upcoming changes to Domestic, Gulf of Mexico, and Carribean Area Forecasts effective 17 July 2007. Please see AviationWeather.gov/notify/jul2007 for examples.

07 December 2006
NOAA Logo TIN announcement for the GTG product update The update scheduled for January 8 2007 has been postponed until further notice.

06 December 2006
NOAA Logo A new icing product (CIP-SEV) has been made operational, see the icing page and its FYI/Help for more details. In addition, a site update has been released. Please see the information page for more details.

20 April 2006
Sun Bullet Link provided to Space Weather Prediction Center’s (SWPC) experimental Space Weather for Aviation Service Providers on “Aviation Testbed” page.

21 February 2006
NOAA Logo Users will notice a change in the appearance of the radar displays. ADDS uses images prepared by the National Weather Service, and the appearance and utility of these images have changed. More information about this change can be found here.

31 January 2006
NOAA Logo Augustine Volcano - See WFO Anchorage Coordination Page for details.

27 September 2005
NOAA Logo The Winds and Temperatures Aloft (FBWinds) bulletins “FOR USE” times were changed to cover the gap between the issuance time of the bulletins and the starting time of the initial period. Please see Technical Implementation Notice 05-54 for details.

20 September 2005
NOAA Logo A proposed update to the left menu has been moved as the default. To view the old layout, select the 'View old menu' option at the bottom of the left menu. This proposed update is intended to improve navigation between the ADDS and AWC sites. Please provide comments by sending an email.

23 August 2005
NOAA Logo A proposed update to the left menu is available for review and comment. To view, select the 'View new menu' option at the bottom of the left menu. This proposed update is intended to improve navigation between the ADDS and AWC sites. Please provide comments by sending an email.

June 30, 2005
NOAA Logo As of 30 June 2005, the NWS Aviation Weather Center has begun issuing Significant Weather forecast information (SIGWX) in BUFR format. Please see Technical Implementation Notice 05-17 for details.

May 17, 2005
NOAA Logo On 1300 UTC Tues 17 May 2005 the communications header designations for US produced SIGMETS, AIRMETS and Area Forecasts changed to comply with WMO convenctions. If you rely on the header information to access these products, this could impact your ability to receive these products. Click here for details on the change.

Page loaded:  08:49 UTC  |   01:49 AM Pacific  |   02:49 AM Mountain  |   03:49 AM Central  |   04:49 AM Eastern

 

ADVISORIES

FORECASTS

FORECASTS

OBSERVATIONS

USER TOOLS

ABOUT US