What year was the big flood in Colorado?
What year was the big flood in Colorado?
1976
On July 31, 1976, 144 people lost their lives when torrential downpours caused the Big Thompson River to flood. LARIMER COUNTY, Colo. — 45 years later, people living in the Big Thompson Canyon and across the country still remember the Big Thompson Canyon flood, and the lives lost from it.
When was the flood in Longmont CO?
2013
From September 11-15, 2013, Longmont experienced the most devastating flash flood event in its history. Catastrophic flooding, especially along the St. Vrain Creek, displaced hundreds of residents, and destroyed personal property, businesses and public spaces.
What caused the boulder flood?
The U.S. Drought Monitor stated that “The combination of ample Gulf and Pacific tropical moisture (in part from Tropical Storms Manuel (Pacific) and Ingrid (Gulf) which inundated Mexico), stalled frontal systems, and upsloping conditions produced the widespread rainfall [along Colorado’s Front Range].” This resulted in …
How long did the 1976 flood last?
In 1976, Colorado saw the most powerful flood that the state had seen in 1,000s of years. The flooding occurred when a massive amount of rain fell in the Loveland area, most of which came down during a window of one to two hours.
How many people died in the Boulder flood?
2013 Colorado floods
| Disaster emergencies were declared by the governor in 14 counties (highlighted) in Colorado. | |
|---|---|
| Date | September 9, 2013 – Early 2014 |
| Location | Colorado, primarily the Front Range, El Paso County and Boulder County, as well as portions of metro Denver |
| Deaths | 8 dead, 6 missing |
Does it flood in Colorado?
Colorado floods are of two types: floods covering a large area resulting from heavy regional rainfall or snowmelt and flash floods resulting from isolated cloudbursts such as the Big Thompson flood of 1976.
What was the cost of the 2013 Boulder flood?
The 2013 Boulder Flood: Four years and three billion dollars later September 17, 2017 / Ben Castellani Four years ago this week, torrential rains fell across the Front Range, triggering one of the worst floods in Colorado’s short recorded history, accompanied by a staggering repair bill now approaching $3 billion.
How big was the Boulder Creek flood?
For the Boulder Creek, it was less than a 50-year flood event, with stream flow peaking at an estimated 5200 cubic feet per second (c.f.s.), less than half the amount of the titanic 1894 Boulder flood. Keep in mind, the average mid-September stream flow for the Boulder Creek is only around 100 c.f.s.
How do Wildfires affect flooding in Colorado?
More wildfires, like the Flagstaff Fire and Fourmile Fire that occurred near Boulder in the last few years, ultimately contribute to flooding by increasing run-off. Furthermore, drought, exacerbated by a warming climate, also contributes to wildfires and overall less-permeable ground surfaces.
Where did Colorado’s flooding happen the most?
While Boulder may have received the most rainfall, the most significant and historic flooding was present in Lyons and Longmont, where a bulk of the rain fell upstream and was funneled by steep terrain through tight creek beds.
