Special Weather Statement issued September 14 at 11:18AM MST by NWS

...SIGNIFICANT WEATHER ADVISORY FOR COCONINO COUNTY UNTIL 1145 AM MST... At 1117 AM MST, Doppler radar was tracking a strong thunderstorm near Valle, or 32 miles southwest of Desert View at Grand Canyon, moving northeast at 25 mph. Nickel size hail and winds in excess of 40 mph will be possible with

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2wsr0fI