As Tropical Storm Isaac was on its path through the Caribbean before becoming a hurricane in the Gulf of Mexico this week, U.S. scientists were testing an experimental new weather spy tool - an unmanned, marine robot about the size of a surfboard that can gather storm data at sea level.
A National Oceanic and Atmospheric Administration (NOAA)research laboratory in Miami sent the "Wave Glider," a floating platform of sensors with an underwater stabilizer christened Alex, into ocean waters about 100 miles north of Puerto Rico last week to try to intercept Isaac.
"Isaac did not barrel right over it," said Alan Leonardi, deputy director of NOAA's Atlantic Oceanographic and Meteorological Laboratory in Miami, after the storm passed to the south of the island before turning north and making landfall near New Orleans as a Category 1 hurricane.
"But Isaac being the size storm it is, the Wave Glider was able to collect data from the outer rain bands. We can't steer a hurricane, but we did get good data out of it."
A few days later, scientists got a second look at Isaac, from another Wave Glider - named G2 - on a separate oil and gas mission in the Gulf of Mexico.
The eye of Isaac passed barely 60 miles east of G2, enabling it to collect valuable ocean data, including evidence of a dramatic drop in water temperature, "suggesting that Isaac was vacuuming the heat from the Gulf," according to its manufacturers, Liquid Robotics, based in Sunnyvale, California.
Read more: http://www.reuters.com/article/2012/08/31/us-usa-noaa-robots-idUSBRE87U17A20120831
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