"The Lyrids are really unpredictable," Bill Cooke, director of NASA's Meteoroid Environment Office, said in a statement. "For the 2015 shower, I'm expecting 15 to 20 Lyrid meteors an hour."Peak meteor action should happen after 10:30 p.m. local time in the northern hemisphere, while Cooke said people in the southern hemisphere should be able to catch a glimpse after midnight local time. 4951