Ameren releases test weather balloon before eclipse
Thursday, July 20, 2017
Ameren Missouri engineers Ray Perez, left, and Ken Kietzer release a weather balloon Wednesday from Ameren's operations center in Cape Girardeau. It was a test launch in partnership with St. Louis University before the Aug. 21 total solar eclipse. On that day, four instrumentation balloons will be launched to measure real-time data including temperature, humidity, atmospheric pressure and wind speed during the eclipse.
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