Guest Posted May 25, 2015 Posted May 25, 2015 http://waterdata.usgs.gov/ar/nwis/uv/?site_no=07048600&PARAmeter_cd=00065,00060 The White River has eclipsed the 2011 Flood by 1,000cfs
Guest Posted May 25, 2015 Posted May 25, 2015 just for today, 2011 it got to 30ft, its 20ft & rising tonight.
JohnF52 Posted May 25, 2015 Posted May 25, 2015 The historical record for the White at Wyman bridge is 140,000 CFS set in April 2004. I saw that flood. It washed out the road on the east side of that bridge. The current flood is about an every other year event. The 2004 event is rated as about a 130 year flood.
Guest Posted May 25, 2015 Posted May 25, 2015 I thought they classified 2011 as 200 year flood event? That rating system doesn't make sense anyway.
JohnF52 Posted May 25, 2015 Posted May 25, 2015 Applied to the Beaver watershed, the 2011 events could be classified as 5 to 6-year events, but there were two of them about a month apart, in April and May 2011.
JohnF52 Posted May 25, 2015 Posted May 25, 2015 Go to your White River link, then go to summary of all data available for this site, then go to peak streamflow. There is also another site that compares peak sreamflow to probability. The 2004 event calculates to a little less than a 1 percent probability, about 0.77% for any year. .77/1=1.298. 1.298 x 100 is about 130 years. The more common flood event recurrences are obvious from the graph. I used the table to get exact values.
Feathers and Fins Posted May 25, 2015 Posted May 25, 2015 http://water.weather.gov/ahps2/index.php?wfo=tsa https://www.facebook.com/pages/Beaver-Lake-Arkansas-Fishing-Report/745541178798856
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