Understanding your risk

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Posted by Canaporkandbeans on August 21, 2004 at 09:46:11:

Perhaps some good can come of all this discussion about flash floods and the recent hurricanes, also. I am adding some links for the reader to evaluate their risk factor from natural disasters:
http://www.drought.unl.edu/risk/us/compare.htm
from the above url>Floods
Flash floods can strike in seconds (without warning), while snowmelt floods can be predicted months ahead.

Death Valley National Park aka desertusa.com:
http://www.desertusa.com/dv/du_dvpmain.html
from the above url>Be alert for flash floods when it looks stormy. Do not ford low places when water is running. Flood waters can undercut pavement or sweep a car from the road.


Should you like to further your education on-line:
http://dmc.engr.wisc.edu/courses/hazards/BB02-pretest.html
http://www.dem.dcc.state.nc.us/mitigation/Library/Alexander%20Mitigation%20Plan/HazardIdentification.htm
from the above url>Flash Floods: Flash floods typically encompass a quick rise of high velocity water and large amounts of debris. Factors that contribute to flash flooding include the length and intensity of rain and the steepness of watershed and stream gradients. Other factors influencing flash floods include the amount of watershed vegetation, natural and artificial water storage, and the configuration of the streambed and floodplain. Flash floods not only occur from weather systems, but also from a dam failure, or breakup of ice. This type of flood poses the most risk to property and lives. Because of the rapid rise of the water levels, a large percentage of flood deaths occur from motorists who underestimate the depth and velocity of the floodwaters and attempt to cross flooded areas. This typically occurs when a weather event quickly drops an extensive amount of water. Walls of water from this type of event can reach 15 to 20 feet.

This has happened before, DUH!
http://wrgis.wr.usgs.gov/docs/parks/deva/galflood.html
http://www.pointandsquirt.co.uk/justin/california_3.html
http://ladesai.home.att.net/lowhigh/
http://www.ridgecrest.ca.us/~matmus/DeathV.html
http://www.dochemp.com/deathvalley1.html



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