
"Hurricanes, typhoons and cyclones are both a curse and a blessing for highly populated tropical and subtropical nations, bringing both terrible destruction and life-sustaining rainfall each year," said Bill Patzert, climatologist at NASA's Jet Propulsion Laboratory in Pasadena, Calif. "Many scientists have hypothesized that in the future our warming climate will change hurricane-induced rainfall patterns, perhaps increasing the destructive power of these storms. NASA, NOAA and university scientists are mining the wealth of scientific information from A-Train instruments to improve our understanding of current and future hurricanes. These data will help officials plan for better coastal protection and the most effective public policy."
Each satellite in the A-Train crosses the equator within a few minutes of each another at around 1:30 p.m. local time. By combining the different sets of nearly simultaneous observations, scientists are able to gain a better understanding of important parameters related to climate change. The two primary satellites in the A-Train that contribute to hurricane research are Aqua and CloudSat. The other satellites provide important information about clouds and aerosols that assist with hurricane research.
The A-Train satellite formation currently consists of five satellites flying in close proximity: Aqua, CloudSat, CALIPSO, PARASOL and Aura. Illustration from NASA
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