Valley of the Sun (Phoenix), West Valley. Picture taken on Litchfield Road at the South Gate to Luke AFB in a southwesterly direction. After working out I had a little time and went to the north end of the runways to watch F-16s getting pre-flighted to take off on 21L and other F-16s flying approaches and touch and goes on 21R. Then all the ones ready to take off taxied south to take off on 03R. So I decided to go home when I saw these clouds. Ominous looking. When I saw those clouds i realized why the take-off pattern was changed. They would have taken off directly into this stuff. Why take unnecessary chances? We had rain for most of the day yesterday, not the typical mosoonal thunderstorms, but rather low clouds coming in from the southeast and covering the entire sky. This was triggered by a tropical disturbance off the Baja Peninsula. Rainfall amounts in the Valley ranged from 0.35 to over 2 inches (I had 0.55 inches by noon). This was huge - flooding at I-17 underpasses at Bell and Greeway Roads, freeway flooding on US 60 in the East Valley. The last two years we only had 3.5-inches all year for each year in Phoenix. Temperatures were way below normal [normal 102F (39C) hi, 79F (26C) low for 10 September]. Yesterday it was 84F (29C) and 73F (~22C). Photo was taken at 16:48 local, Sig...