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From: National Science Foundation Update <nsf-update@xxxxxxx>
Date: Mon, 24 Aug 2009 13:34:22 -0500 (CDT)
Subject: Lightning's Mirror Image ... Only Much Bigger
Lightning's Mirror Image ... Only Much Bigger
With a very lucky shot, scientists have captured a one-second image and the electrical fingerprint of huge lightning that flowed 40 miles upward from the top of a storm.
These rarely seen, highly charged meteorological events are known as gigantic jets, and they flash up to the lower levels of space, or ionosphere.
While they don't occur every time there is lightning, they are substantially larger than their downward striking cousins.
"Despite poor viewing conditions ...
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