[DOC] [TLE] Floods: Questions and answers (U.S. Geological Survey) [PAR] May 2, 2016 ... How can the same streamflow be a 100-year flood in one location ... Flash floods 
occur within six hours of a rain event, or after a dam or ... Urbanization increases 
the amount of impervious areas, causing ... These and other factors determine 
whether or not a 100-year storm will produce a 100-year flood. [DOC] [TLE] Dam failure - Wikipedia [PAR] A dam is a barrier across flowing water that obstructs, directs or slows down the 
flow, often ... Dam failures are comparatively rare, but can cause immense 
damage and ... is now considered a 1-in-2000 years flood, which few if any of 
these dams ... Water accumulated in Lake Iruka overflowed downstream, causing 
severe... [DOC] [TLE] Chapter 2 Types of Floods and Floodplains - FEMA [PAR] 2-1. Chapter 2. Types of Floods and Floodplains. Chapter Overview. There are ... 
example, an urban area, like a city, might have these cover types: ... Unconfined 
flow moves in broad sheets of water often causing sheet erosion. It can also .... 
Dam failure, release of ice jams, and collapse of debris dams also can cause 
flash. [DOC] [TLE] is111_Unit 11.pdf - Emergency Management Institute [PAR] Floods are one of the leading causes of death from natural disasters in the ... 
floodwaters, flash floods, and alcohol consumption, which leads to ... in an area 
with heavy rains can produce serious flooding. ... can also result from a dam or 
levee failure. ... prevent overflow of these waste treatment facilities into local 
streams... [DOC] [TLE] River Flooding - Tulane University [PAR] Oct 13, 2015 ... All of these factors can suddenly increase discharge of water into ... Here we 
discuss the main cause of flooding, that is heavy rainfall ... Flash floods occur 
when the rate of infiltration is low and heavy rains .... Piping will erode the 
material under the levee, undermining it and causing its collapse and failure. [DOC] [TLE] Natural Hazards - Flooding [PAR] These are flash floods, storm surge, and dam and levee failures. ... If the flood is 
larger than the one predicted the structure built to contain it will be overtopped ... 
Failed dams and levees can cause catastrophic floods due to the intensive 
energy ... for flooding to occur in areas with unusually long periods of heavy 
rainfall. [DOC] [TLE] flash floods  how do they occur? - IN.gov [PAR] of excessive rainfall, a dam or levee failure, or sudden release ... over the same 
area, or heavy rains from hurricanes ... held back by the ice jam or debris dam 
can cause ... ice-caps (causing .... small flash flood is unlikely to cause one of 
these. [DOC] [TLE] Severe Weather 101: Flood Basics [PAR] Floods can happen during heavy rains, when ocean waves come on shore, when 
snow ... Flash floods occur when excessive water fills normally dry creeks or river 
beds along with currently flowing creeks and rivers, causing rapid rises of water 
in a ... Dam failures can send a sudden destructive wall of water downstream. [DOC] [TLE] Flood and Flash Flood Preparedness - The Disaster Center [PAR] A flood can cause basement and floor damage. ... Flash floods occur within six 
hours of a rain event, or after a dam or levee failure, or following a sudden... [DOC] [TLE] Types & Causes of Flooding - Leon County [PAR] Flooding in Leon County is usually caused by one or more of the following factors
. ... Besides causing extensive damage in coastal areas, hurricanes and tropical 
storms often ... Heavy Rains An excessive amount of rainfall can happen anytime 
... Flash floods can also occur from dam or levee failure or other cases where a... [DOC] [TLE] Flash Flood | Topic | em - Teton County [PAR] On May 18th, 1927, a portion of the natural dam broke causing a flash flood to ... 
Luckily we have never had to check these calculations against a real dam failure. 
... Rainfall rates of .5 to 1 inch per hour can easily be more than the ground can... [DOC] [TLE] Natural Aspects of Flooding - Illinois Association for Floodplain and ... [PAR] Mar 11

Question: A "flash" one of these can be caused by persistent, heavy rainfall or the failure of a dam
Answer: a flood