The Grand Canyon river emergency alert system: radar during a storm and alerts on a cell phone about the storm
Detailed Description
The Grand Canyon river emergency alert system: radar during a storm and alerts on a cell phone about the storm. For more information see: https://grandcanyon.usgs.gov/gisapps/debrisflowflashfloodrisk/ and https://www.nps.gov/grca/planyourvisit/colorado-river-emergency-alerts.htm
Sources/Usage
Public Domain.