STORM: A moderate (G2-class) geomagnetic storm is underway on May 19th
as Earth enters an unsettled stream of solar wind. High-latitude sky
watchers should be alert for auroras, especially during the hours
around local midnight. Visit http://spaceweather.com for updates.
SEASON BEGINS: As northern summer approaches, photographers in Europe
and the USA are starting to see "red sprites," an exotic form of
lightning that shoots out of the tops of thunderclouds. Photos and
observing tips are highlighted on today's edition of http://spaceweather.com.