At 552 PM MST, several bands of blowing dust were located along a line from near Tucson Estates to near Flowing Wells, moving northwest at 10 mph.
HAZARD...Less than a quarter mile visibility with strong winds in excess of 50 mph.
SOURCE...Radar indicated.
IMPACT...Dangerous life-threatening travel.
Locations impacted include... Tucson, Casas Adobes, Drexel Heights, Flowing Wells, South Tucson, Pascua Pueblo Yaqui Reservation, Tucson Mountain Park, Valencia West, Tucson Estates, Saguaro National Park West, Catalina Foothills and Ryan AirField.
This includes the following highways... Interstate 19 near mile marker 63. Route 86 between mile markers 156 and 170. Route 77 between mile markers 70 and 73. Interstate 10 between mile markers 250 and 260.