This link to the City Watershed Protection Department report on Bull Creek Watershed contains a host of good information
Sunday, October 13, 2013
From severe drought to flood in one day!
We had 4.5 inches overnight. Some parts of town 5 miles south of here got 12 inches. These pictures were taken at 2:30 pm, when the flow was down to 100 cubic feet per second, hours after the nighttime deluge which raised the creek flow quickly from 1 to 1,800 cubic feet per second and the height up 4 feet and from 6 feet wide to over 100 feet wide.
Kayakers headed downstream to search for a Black Labrador who was swept downstream when he stepped off into the rushing current at the low water crossing at Old Spicewood Springs Road and Hwy 360. No word of a rescue after almost 2 hours.
Fallls east of Hwy 360 at Lakewood Dr which were almost dry one day earlier.