“CHAIN REACTION” EXPLOSION: Yesterday, a magnetic filament on the sun erupted, setting off a chain reaction that included a solar flare, two types of radio blackout, and a potentially Earth-directed CME. Minor to moderate geomagnetic storms are possible on Feb. 27th. Full story @ Spaceweather.com.

 
 
Above: A magnetic filaments lifts off on Feb. 24th, the first step in a chain reaction of space weather events.