New backcountry alert system warns Grand Canyon visitors about flash floods in areas without cellular signal
June 17, 2025
June 17, 2025
WASHINGTON, June 17 -- The U.S. Department of the Interior U.S. Geological Survey issued the following news release:
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New backcountry alert system warns Grand Canyon visitors about flash floods in areas without cellular signal
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FLAGSTAFF, Ariz. -- Visitors to backcountry areas of Grand Canyon National Park can now subscribe to a new emergency warning system that works in areas where cell phone signals are absent. The Grand Canyon River Al . . .
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New backcountry alert system warns Grand Canyon visitors about flash floods in areas without cellular signal
*
FLAGSTAFF, Ariz. -- Visitors to backcountry areas of Grand Canyon National Park can now subscribe to a new emergency warning system that works in areas where cell phone signals are absent. The Grand Canyon River Al . . .