vacation home as this wall of brown water forced its way into the home sending furniture spinning and churning. fortunately, firefighters were nearby when the blanco river started pouring into this home. crews were able to rescue the family. no one was hurt. they were able to capture this amazing video which shows the power and force of the water. and joining us is joanna curran river engineer and geo geomorphologist who studied the blanco river. thank you for joining us. to us it seems shocking that homes have flooded as fasts as they have this week in texas. even more shocking to see the video where the water comes so fast you don t know if the home is going to be carried away and devastated completely. this is your area of study. can you explain if people saw this, like yourself, an expert, did you see it coming? this size of storm is unusual but does happen down there. it hasn t happened to that level