This NOAA satellite image taken Sunday, July 21, 2013 at 11:00 a.m. EDT shows showers and thunderstorms over Arizona and southern California. Farther east, showers and thunderstorms are

 

              This NOAA satellite image taken Sunday, July 21, 2013 at 11:00 a.m. EDT shows showers and thunderstorms over Arizona and southern California. Farther east, showers and thunderstorms are
This NOAA satellite image taken Sunday, July 21, 2013 at 11:00 a.m. EDT shows showers and thunderstorms over Arizona and southern California. Farther east, showers and thunderstorms are seen across the Mississippi Valley. Fair weather is seen across the remainder of the western United States. (AP PHOTO/WEATHER UNDERGROUND)