米国・ネバダ州南部（ラスベガスなど）～アリゾナ州で豪雨被害が発生

下記のとおり。

　Rain causes Vegas-area flooding, airport delays
　Sacramento Bee: August 22, 2012
　http://www.sacbee.com/2012/08/22/4748767/rain-causes-vegas-area-flooding.html

　Flash flood warning extended in Southern Nevada
　KTNV: August 22, 2012
　http://www.ktnv.com/news/local/167055275.html

　Rescuers chasing reports of two people in swollen flood channels
　Las Vegas Sun: August 22, 2012
　http://www.lasvegassun.com/news/2012/aug/22/thunderstorms-bring-flash-flood-watch-warnings-las/

　Flooding backs up Maricopa sewage
　ABC 15: August 22, 2012
　http://www.abc15.com/dpp/news/region_central_southern_az/maricopa/state-of-emergency-issued-in-maricopa-arizona-due-to-heavy-rains-and-flooding

[追記：2012年8月24日16:28]

関連記事を追加する。

　Flooding near Lake Las Vegas creates 100-foot waterfall
　Las Vegas Review-Journal: August 23, 2012
　http://www.lvrj.com/news/flooding-near-lake-las-vegas-creates-100-foot-waterfall-167206225.html

　An air mattress joy ride as Vegas has second-wettest day on record
　Los Angeles Times: August 23, 2012
　http://www.latimes.com/news/nation/nationnow/la-na-nn-vegas-flood-air-mattress-20120823,0,3893018.story

　Nevada teen missing after Southwest flooding
　WHBN (AP): August 24, 2012
　http://www.whbf.com/story/19351719/nevada-teen-missing-in-southwest-flooding

　Heavy Rain, Flooding Drench the Las Vegas Valley
　8 News: August 22, 2012
　http://www.8newsnow.com/story/19333535/breaking-news-thunderstorm-warning-issued-for-southern-nevada