Dust Storm Warning

The National Weather Service in Tucson has issued a

* Dust Storm Warning for... Northeastern Pima County in southeastern Arizona... South Central Pinal County in southeastern Arizona...

* Until 900 PM MST.

* At 723 PM MST, a wall of blowing dust in Tucson, moving northwest at 25 mph.

HAZARD...Less than a quarter mile visibility.

SOURCE...Detected by National Weather Service meteorologists.

IMPACT...Dangerous life-threatening travel.

* Locations impacted include... Tucson, Oro Valley, Marana, Davis-Monthan Air Force Base, Casas Adobes, Drexel Heights, Flowing Wells, Tanque Verde, South Tucson, Three Points, Avra Valley, Pascua Pueblo Yaqui Reservation, Tortolita, San Xavier Community, Saguaro National Park West, Tucson Mountain Park, Tucson Estates, Pinal Airpark, Valencia West and Catalina State Park.

This includes the following highways... Interstate 19 between mile markers 57 and 63. Route 86 between mile markers 153 and 171. Route 77 between mile markers 70 and 83. Interstate 10 between mile markers 226 and 264.