Al-Anon meets every Tuesday in MPR 1 The Rossmoor Al-Anon support group meets on Tuesdays from 10 to 11 a.m. in Multipurpose Room 1 at the Gateway Complex. This mutual support group is for anyone troubled by someone's drinking. By sharing common experiences and applying the Al-Anon principles, family and friends of alcoholics can bring positive changes to their individual situation