A 100-year flood is a flood event that has on average a 1 in 100 chance (1% probability) of being equaled or exceeded in any given year. A 100-year flood...

100-year flood is a flood event that has a 1% probability of occurring in any given year. 100-year flood may also refer to: 1997 Merced River flood,...

intense floods and increased flood risk. Natural types of floods include river flooding, groundwater flooding coastal flooding and urban flooding sometimes...

Goodin titled Yosemite: The 100-Year Flood. It is part of the 1997 California New Years Floods. Thoughts about flooding at the end of 1996 would likely...

The Johnstown Flood, sometimes referred to locally as Great Flood of 1889, occurred on Friday, May 31, 1889, after the catastrophic failure of the South...

Calgary flood had a return interval ranging from 70 to 100 years. A 100-year flood has a 1-percent annual exceedance probability (AEP) flood. with a flow...

focuses on the delineation of the 100-year flood inundation area, also known within the NFIP as the Special Flood Hazard Area. Where a detailed study...

being exceeded in any one year. This does not mean that a 100-year flood will happen regularly every 100 years, or only once in 100 years. Despite the connotations...

sense, a base flood is synonymous with a 100-year flood and a floodplain is synonymous with a special flood hazard area. This base flood "is used in the...

1968 was constructed around the "100-year floodplain" which is the "area that would be inundated by the 100-year flood, better thought of as an area that...

the 100 year flood in areas of Alaska. The Great Flood of 1993 was one of the most destructive floods in United States history. On 8 May 1995, a flood hit...

after the flood found "150,000 people had drowned, and that this number represented less than a quarter of all fatalities during the first 100 days of the...

severity of floods. The risk of flooding at a level that used to constitute a 100-year flood, meaning there was a 1% chance of it occurring in any year, had...

Flood management describes methods used to reduce or prevent the detrimental effects of flood waters. Flooding can be caused by a mix of both natural processes...

January 7, 1965, spanning the Christmas holiday. Considered a 100-year flood, it was the worst flood in recorded history on nearly every major stream and river...

the Clinch River. Clinchport owes its small population to a severe 100-year flood event in 1977. After the natural disaster, local authorities incentivized...

Street found roughly 10x the number of properties would have been in a 100-year flood zone category, if FEMA had been allowed to use more comprehensive and...

reference flood in town planning is the 100-year flood. This reference was in the course of being modified as maps linked to modelling the 1840 flood in modern...

large flooding event, such as the 100-year flood. Similarly, for the design of a breakwater, a coastal engineer would seek to estimate the 50 year wave...

landfall on Texas and Louisiana in August 2017, causing catastrophic flooding and more than 100 deaths. It is tied with 2005's Hurricane Katrina as the costliest...

length is approximately 1.8 kilometres (1.1 miles). Following a 1 in 100 year flood risk assessment, the spillway was substantially reconstructed in 2017...

The Red River flood of 1997 was a major flood that occurred in April and May 1997 along the Red River of the North in Minnesota, North Dakota, and southern...

businesses were damaged by flood damage. The Dunedin City Council (DCC) described the 3 June 2015 flood event as a "one in a 100 year" flood, with about 175mm...

2021. "Flash Flood Emergency Prompts Water Rescues Throughout Philadelphia Region". July 13, 2021. Retrieved July 13, 2021. ‘100-Year Flood' Leads to Water...

surgical face masks Base Flood Elevation, a level set by the Federal Emergency Management Agency based on 100 year flood models; see Flood opening Bastard Film...

and some of its tributaries in Sioux Falls to protect the city from a 100-year flood event. Features of the system include 29 miles (47 km) of levees, a...

2017 Climate Change Vulnerability Assessment noted that by 2035, a 100-year flood would flank the dam, and by 2070, overtop it, leading to major impacts...

The Great Molasses Flood, also known as the Boston Molasses Disaster, was a disaster that occurred on Wednesday, January 15, 1919, in the North End neighborhood...

A flood myth or a deluge myth is a myth in which a great flood, usually sent by a deity or deities, destroys civilization, often in an act of divine retribution...

100-year flood would occur every year in the New Zealand cities of Wellington and Christchurch. With 0.5 m sea level rise, a current 100-year flood in...