Weather Products
Advisories
- AIR/SIGMETs
Observed Products
Forecasted Products
- Convection
- Winds/Temps
- Turbulence
- Prog Charts
- Icing
- TAFs
These products are available online and run directly within your web browser.
Desktop Apps
Flight Path Tool

Provides all ADDS weather products in a single interactive display. Slices through 4D datasets horizontally at a flight level, vertically along a flight path, and in time. Includes meteorograms at surface points.
- Learn More
- Launch Application
HEMS Tool

Provides weather of interest to low altitude pilots in an interactive display. Interpolates 3D weather variables to AGL altitudes. Includes street-scale basemaps.
- Learn More
- Launch Application
These "all-in-one" applications run outside of the web browser and your system may require additional configuration before you are able to launch them.
Data Services
Text Data Server

The Text Data Server enhances and complements the ADDS web site by providing flexible and queryable access to real-time METARs, PIREPs, TAFs, and AIR/SIGMETs data.
- Learn More
In addition to the weather products and desktop applications, ADDS also provides service level access to selected real-time data.

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Disclaimer

THE ADDS DATA AND INFORMATION CONTAINED ON THE SITE IS AN EXPERIMENTAL PRODUCT. IT IS INTENDED FOR RESEARCH PURPOSES AND SHOULD NOT BE RELIED UPON IN LIEU OF OFFICIALLY DISSEMINATED WEATHER FORECASTS AND WARNINGS.

We are unable to guarantee access to the most up-to-date information on this service. Further, the timeliness, resolution and manner in which data from these types of research models is used does not wholly support the effective or reliable use of this data in making decisions of an immediate or short term nature that involve the safety of people or property. The information available here should not be used for flight planning or other operational purposes.

THE USER ASSUMES ALL RISK AS TO THE USE OF THE DATA AND/OR INFORMATION. THIS INFORMATION IS PROVIDED “AS IS” AND WITHOUT REPRESENTATIONS OR WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. ALL REPRESENTATIONS AND WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

IN NO EVENT SHALL UCAR, OR ANY OTHER PARTY WHO HAS BEEN INVOLVED IN THE CREATION, PRODUCTION OR DISPLAY OF THIS DATA/INFORMATION, BE LIABLE FOR DAMAGES, WHETHER DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL, INCLUDING LOSS OF PROFITS.

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Experimental ADDS

Disclaimer