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Text Content

NCEP CENTRAL OPERATIONS
National Oceanic and Atmospheric Administration

   
 * home
   
 * news
    * NWS News
    * Events
    * Social Media
    * Pubs/Brochures/Booklets
    * NWS Media Contacts

   
 * search
   Search For
   
   NWS All NOAA

   
 * forecast
   Local forecast by
   "City, St" or ZIP code
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   search.
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   Location Help
   
 * about
    * About NWS
    * Organization
    * For NWS Employees
    * International
    * National Centers
    * Products and Services
    * Contact Us
    * Glossary

   
   
 * AMDAR Home

News
 * What's Here - v4.0!
   

Data Discovery & Displays
 * Data Application Form
 * Dataset Restrictions
 * Graphical Displays  >
   * Public
   * Restricted
 * GDC-ABO

Support
 * FAQ
 * Papers and References
 * Contact Us

Related Sites
 * WMO Global Data Center
 * MADIS Distribution Services
 * MADIS
 * HADS
   
   
 * AMDAR Research



  NOAA - AMDAR




AIRCRAFT BASED OBSERVATIONS (ABO)

Welcome to the first operational release of the “amdar.noaa.gov” web site.
AMDAR, which stands for Aircraft Meteorological Data Reports, is the
generally-accepted worldwide term for automated weather reports from commercial
aircraft. The “amdar.noaa.gov” web site was a research effort led by William
Moninger of NOAA’s Global System Division (GSD).

In the 1980's, GSD, formerly known as the Forecast Systems Laboratory (FSL),
realized the potential of ACARS (click here for a glossary of terms) data to
improve Numerical Weather Prediction (NWP) models, and successfully negotiated
the receipt of data from four airlines (Delta, Northwest, UAL, and UPS). These
airlines routed their ACARS data to FSL via ARINC as text, and FSL decoded the
variety of data formats from the various fleets. In 1993, FSL established an
ongoing effort to assess ACARS data quality, flag apparently bad data, and
correct data where possible. A graphical display program was developed to
facilitate evaluation of its performance and grew into what is known today as
the "amdar.noaa.gov" website. The graphical displays allow access to real-time
data and data that is up to 30 days old. If you need access to data as old as
July 1, 2001, you can use the MADIS Application Interface (API).

This site will house Frequently Asked Questions (FAQ) and ESRI based graphical
displays of Aircraft Based Observations (ABO). All of the other functionality
can be accessed on the amdar-research site which is still hosted at GSD. To
apply for restricted ABO data access, check to see if you meet the criteria here
and if so, please fill out a MADIS data application request. Note that all ABO
data older than two days is available to the public. For more information on
MADIS ABO data, please click here. The following image illustrates the MADIS
Aircraft Display and user functionality.





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HIGHLIGHTS

Frequently Asked Questions (FAQ) and Glossary
Access to Aircraft Based Displays



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SUPPORT


Please address any questions to the MADIS Help Desk at madis-support@noaa.gov.



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Last updated 25 Feb 2024



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