For repeated warnings over a short time, Rune is suspended for one month.
Failure to Follow A Moderator’s Instructions:
http://boards.straightdope.com/sdmb/showpost.php?p=19137610&postcount=62
Trolling:
http://boards.straightdope.com/sdmb/showpost.php?p=19136706&postcount=54
Hate Speech:
http://boards.straightdope.com/sdmb/showpost.php?p=19087389&postcount=407
http://boards.straightdope.com/sdmb/showpost.php?p=18338208&postcount=30