Flash Flood near Tombstone
September 28, 2004
Provided by: Michael Cosh, USDA - ARS - HRSL
Summary authors & editors: Jim Foster; Michael Cosh
The above photo showing a flash flood in progress was taken from the Walnut Gulch Experimental Watershed in Tombstone, Arizona on August 16, 2004. In many flash floods, high waters occur when little or even no rain is recorded at the site where the flood results. This is especially true in mountainous areas where heavy rain may fall for an extended period in the headwaters of streams. During such an event, normally dry streambeds can become raging torrents in a matter of minutes. Walnut Gulch was part of the SMEX04-NAME experiment conducted to study the North American Monsoon during the summer of 2004.
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