Morning commuters got a surprise Thursday after a tornado touched down on San Antonio’s East Side, according to meteorologists and social media posts. The weak tornado was sighted near Joint Base San Antonio-Sam Houston at around 8 a.m., the military installation confirmed on X, the social media platform formerly known as Twitter. “Joint Base San Antonio weather has confirmed a brief, very weak tornado touched down on JBSA-Fort Sam Houston around 8 a.m this morning,” the base tweeted via is official account.