Abstract
We report on data recorded from small aperture (20-m) infrasonic microphone arrays. The array monitors man-made and natural sources of infrasound from 0.1 to 25 Hz. The array runs 24/7 and stores the data into hourly blocks. Each block of data is passed through a quick-look algorithm to determine if an interesting event occurred. It was noted about a year after operation began that severe thunderstorms would show up as detections and the array would track the passage of the storm system. The data collected during the operation of the array will be presented along with possible ideas on what the array is detecting within the storm. Also the preliminary results of a field study will be presented where a portable infrasound system was placed near severe storm cells in the Midwest during June 2003.
Published Version
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