The A-Train Observes Tropical Storm Debby

  • Released Sunday, July 22nd, 2007
  • Updated Sunday, August 20th, 2023 at 10:00PM
  • ID: 3437

The A-Train is a group of spacecraft flying in close formation allowing data taken by each instrument to be correlated to the other instruments providing data synergy. The A-Train includes Aqua, CloudSat, CALIPSO, Parasol, and Aura. The animation begins showing the Earth with moving clouds and with a day/night terminator. Time slows down, and A-train spacecraft orbits are added during a daytime pass. The orbits progress around the globe for 12 hours. During a night time pass the camera zooms into Tropical Storm Debby as the A-train flies over on August 24, 2006. Data sets from some of the A-train's spacecraft/instruments are shown including Aqua/MODIS, CloudSat, CALIPSO, and Aqua/AIRS. This visualization was created to support an A-Train session at the 2007 International Geoscience and Remote Sensing Symposium (IGARSS).


Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio


This visualization is related to the following missions:

Datasets used in this visualization

Aqua (Collected with the AIRS sensor)

For more information on the Atmospheric Infrared Sounder, click

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Aqua (Collected with the MODIS sensor)
CALIPSO (Collected with the CALIOP sensor)

Cloud-Aerosol Lidar with Orthogonal Polarization

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CloudSat (Collected with the CPR sensor)
CPC (Climate Prediction Center) Cloud Composite
Data Compilation Climate Prediction Center (CPC) 08/14/2006 - 08/24/2006

Global cloud cover from multiple satellites

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DMSP Earth at Night (Collected with the OLS sensor)
TOPEX Sea Surface Height Anomaly (Collected with the Poseidon sensor)

Note: While we identify the data sets used in these visualizations, we do not store any further details, nor the data sets themselves on our site.