Upward leader development from tall towers in response to downward stepped leaders

• Published in: 2010 30th International Conference on Lightning Protection (ICLP) pp. 1 - 4
• Main Author: Warner, Tom A.
• Format: Conference Proceeding
• Language: English
• Published: University of Cagliari 01.09.2010
• Subjects: Instruments; Lead; Magnetic analysis; Magnetic resonance imaging; Poles and towers

We present high-speed video observations (up to 11,000 images per second) of downward propagating negative stepped leaders and associated non-connecting and connecting upward leaders from tall towers in Rapid City, South Dakota, USA. These rare time-resolved optical observations allow for 2-dimensio...