Starr County's Arroyos Have Been Flooding Residential Streets for Over Thirty Years On the evening of September 6, 1993, Yolanda Teran D. Martinez was driving through Roma, Texas, when Arroyo Roma swallowed her car. A thunderstorm had dropped nearly five inches of rain in ninety minutes. The arroyo, dry most of the year, became a current strong enough to carry a Ford LTD off the road and into the water in minutes. Three of her passengers survived because neighbors ran outside