A severe thunderstorm warning was issued by the National Weather Service in Tucson at 6:47 p.m. on Wednesday, Aug. 20. This warning applies to Pima and Pinal counties.

Meteorologists warned of winds as strong as 60 mph.

The National Weather Service warns: "Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds."

A dust storm warning also was issued with the weather service saying there was less than a quarter-mile visibility.

The National Weather Service warns: "Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!"

A flash flood warning also was issued through 9 p.m.

The National Weather Service warns: "Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be awa

See Full Page