When was the Big Thompson Canyon flood in Colorado?
When was the Big Thompson Canyon flood in Colorado?
July 31, 1976
The causes of the July 31, 1976, Big Thompson flood—about 50 miles northwest of Denver—were similar to those of other flash floods, especially a flood in the South Dakota Black Hills on June 9, 1972, which killed 238 people.
When did Chennai floods happen?
2015 South India floods
| Submerged bridges in Chennai | |
|---|---|
| Date | 8 November 2015 – 14 December 2015 |
| Location | South India (Tamil Nadu, Puducherry, Andhra Pradesh) |
| Deaths | 500+ Tamil Nadu: 422 (official, likely more) Andhra Pradesh: 81 Puducherry: 3 |
What was the main cause of the Big Thompson Canyon flood?
This flood was triggered by a nearly stationary thunderstorm near the upper section of the canyon that dumped 300 millimeters (12 inches) of rain in less than 4 hours (more than 3/4 of the average annual rainfall for the area). Little rain fell over the lower section of the canyon, where many of the victims were.
How did the 2013 Colorado floods affect El Paso County?
Impact by county. Fountain Creek in El Paso County flooded, with the municipalities of Fort Carson reporting close to 19 inches of precipitation and Colorado Springs reporting one fatality. In Jefferson County, Colorado, flooding in Coal Creek Canyon damaged Highway 72 to the point of closure, and it re-opened in November 2013.
What happened to the floods in Colorado?
Fountain Creek in El Paso County flooded, with the municipalities of Fort Carson reporting close to 19 inches of precipitation and Colorado Springs reporting one fatality. In Jefferson County, Colorado, flooding in Coal Creek Canyon damaged Highway 72 to the point of closure, and it re-opened in November 2013.
Does Boulder get floods?
Boulder is no stranger to floods. In fact, it is one of Colorado’s most flood-vulnerable communities. The city is situated at the mouth of a canyon, and the Boulder Creek flows through the middle of town.
How unusual was Boulder’s 2013 flood?
Photo courtesy Bruce H. Raup. Boulder’s 2013 flood not only brought unusual rainfall, it came at an unusual time. On average, April and May are Boulder’s wettest months, with precipitation totals of 2.45 and 3.04 inches, respectively, between 1948 and 2005, according to the Desert Research Institute.