March 28, 2009 7:23 PM AKDT


Start of event: March 29, 2009 03:23 UTC
(March 28, 2009 7:23 PM AKDT)

Lightning Mapping Data

An animation of the lightning sequence:

Electrical activity first appeared over the volcano in (relatively) low intensity, mostly amporphous and random discharges. The activity was localized over the volcano for the first two minutes. After this initial period, the electrical activity moved to the NE, but is still adjecent to the volcano. Lightning intensity increased at 03:29, about 3 minutes after the first discharge. The lightning gradually transitioned to larger discharges as the 'storm' waned. The total duration of the lightning sequence was 23.2 minutes.
Clam Gulch Station

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