Here are a few events that were received too late for inclusion in our print issue.
5870 E. Broadway Blvd.
Harry Potter Pottercast. A live broadcast with Hary Potter editors, cast and crew is scheduled. Includes discussions, trivia, games and a question-and-answer session. Free. Call 584-0111 for info.
Green Valley Library
601 N. La Canada Drive
Citizens Water Action Coalition. Kristine Uhlman, UA geologist, will speak about the interrelationship between ground and surface water. Free.
Arizona Ballroom Company
5536 E. Grant Road
Black and White Ball. A night of dancing: From 8 to 8:30 p.m.: mini-group West Coast swing lesson; from 8:30 to 10:30 p.m.: Open dance floor. $7. Call 290-2990 for info.
Tucson Children's Museum
200 S. Sixth Ave.
Thunderstorm Safety Activities. Explore the dynamics of weather. Make a tornado pattern; experiment with weather instruments; try "wash-safety" experiments and more. Free admission. Call 792-9985 or visit www.tucsonchildrensmuseum.org for info.