A solar event on April 11, 2013 was facing Earth and should increase auroral activity for 24 to 48 hours after the arrival of the shock front, expected late on April 12 or early April 13.
For more information, email Professor Emeritus Charles "Chuck" Deehr at email@example.com.
Happy aurora hunting!
IMAGE CAPTION/CREDIT: The joint ESA/NASA Solar Heliospheric Observatory captured this series of images of a coronal mass ejection on the morning of April 11, 2013 over the course of 3:48 EDT to 4:36 EDT. Mars can be seen on the left. Image courtesy ESA&NASA/SOHO/GSFC.