All MD Potomac boat ramps have yellow and red lines painted on them that correspond to those levels - if the water is touching yellow, you are in the caution zone and touching red is the danger zone. These guides are also reprinted on a popular set of all weather river maps used for boating (no link to commercial stuff). I have used these guidelines for years and they are sound. For instance, one my favorite floats in my canoe ends at Point of Rocks. Anything below 2' on that gauge will be a great day and the water will be moving slow enough that I can easily ferry back and forth between pieces of structure. Above two and ferrying becomes difficult. Above two, using my drag anchor is dangerous.
On Wednesday, July 17, 2013 3:35:06 PM UTC-4, Nedak wrote:
-- On Wednesday, July 17, 2013 3:35:06 PM UTC-4, Nedak wrote:
Went to Lock 10 w. Mauro (fellow TPFRer) yesterday and we found the river to be high and muddy. He referred me to stream gauge for the Potomac for future reference.
http://waterdata.usgs.gov/md/nwis/uv?01646500
Note the dramatic temperature decrease July 11-12 almost 10 degrees.
Per http://www.nws.noaa.gov/climate/index.php?wfo=lwx
we did get 1.3 inches of rain at National so I figure its the rain.
Can someone confirm or educate me on correlation?
Thanks.
http://www.tpfr.org
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