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August 31, 2008
Posted: 11:14 PM ET
As most of us anxiously watch the path of Hurricane Gustav, satellite images show us the movement of this fierce storm. But satellites and radars are not the only tools that help forecasters predict where, when, and how strong storms will be. 
U.S. Geological Survey scientists have placed dozens of these storm surge sensors in the path of Hurricane Gustav. Photo courtesy USGS  In the hours leading up to Gustav’s landfall, several teams of scientists slogged through southern Louisiana, deploying weather instruments to get data during the storm. It is information that can both document what this storm is doing, and help forecasters better predict future tropical storms and hurricanes. Two teams from the Texas Tech University hurricane research team spent Sunday placing two dozen sensors in the path of the storm. “Basically the idea is to saturate the area with observation, trying to cover south central Louisiana with these probes,” said Ian Giammanco, field coordinator for the research team. The instruments are designed to help meteorologists determine what wind speeds caused what type of damage. Their sensors, seven foot instruments known as “stick-nets,” function as complete mini weather stations. “We hope in the future to be able to do this in real time,” said Giammanco. But for now that option is far too expensive. The field research is funded by the National Science Foundation and Texas Tech University. Another team of scientists, from the U. S. Geological Survey, (USGS) positioned about 90 storm surge sensors along the Gulf Coast. “From those instruments we want to learn the time, the duration, and the velocity of the surge,” said Brian McCallum, assistant director of the Georgia Water Science Center. That information can help forecasters model different types of storms, to help predict their impact. The USGS first placed these sensors in hurricanes Rita and Wilma in 2005. Both the Texas Tech and USGS researchers are hunkering down a safe distance from the coast until the storm passes. They will recover their instruments a day or two after the danger has passed. Filed under: Flooding • Severe weather • hurricanes • meteorology |
 
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