The summer monsoon season in the Southwest is a normal weather cycle that breaks up the blazing hot Las Vegas summer every year. It is essential to know what areas to avoid and to make sure you have basic flash flood common sense. The flash flood season in Las Vegas and Southern Nevada runs from July to September and is random in nature. Las Vegas residents should always check this helpful website during the next three months provided by the National Weather Service, the Flash Flood Potential Index.
Las Vegas Flash Floods Can Strike at Any Time-Always be Aware of Surroundings
Las Vegas flash floods can strike at a moments notice in the desert and it is essential to always be aware of the incoming clouds and the area in which you are driving. The summer monsoon storms strike suddenly and with extreme ferociousness. One monsoon can drop up to two inches of rain in as little as 15 minutes.
For those living in flash flood areas, it should already be second nature to know what streets to avoid when the weather turns bad. For those that have just moved to Las Vegas recently, be aware of flash flood signs and know to avoid those areas when traveling during the next three months.
Remember if there is running water do not try to cross. 90% of all flash flood deaths occur from vehicles trying to cross rushing water during a flash flood, according to the Las Vegas Metropolitan Police Department Search and Rescue.
Las Vegas Flash Flood Areas to Avoid
The following are just a few areas to know for future reference that are prone to flash floods. Remember some of these areas have added retention basins and wash canals over the years so some of the old flash flood areas have been addressed. Areas such as the Charleston train underpass have undergone millions of dollars of work to avoid shutting down the major thoroughfare with great success, while others in outlying areas have become progressively worse.
Area Behind Imperial Palace on Koval and Imperial Palace Garage
This area is still susceptible to the torrential summer downpours that spawn flash floods. Although some flood channels have eased the flooded across the street at Caesar’s Palace, Imperial Palace is still a bad area during a flash flood. This Las Vegas Sun story, Las Vegas Weather Can be a Gamble, details many weather incidents in Las Vegas including flash flooding and the flood that swept 300 cars from the Caesar’s Palace garage.
Boulder Highway Between Sunset & Russell
Boulder Highway in this area by the Sam Boyd Silver Bowl is a known flash flood area. Areas further down Sunset and Russell, towards the East flood very quickly and can be shut down in advance if the weather report is especially harsh.
Area South of Las Vegas, South of Blue Diamond Highway
There area lot of undeveloped areas with new houses south of Blue Diamond Highway and west of the Interstate 15. Many of these areas do not have developed flood channels and have roads that are surrounded by low lying desert areas. Areas that are prime for flash flooding.
Areas North of Summerlin and West of Durango Drive
Undeveloped areas that are North of Summerlin and West of Durango Drive have intermittent tract homes among large areas of low lying and foothill areas of desert. These areas are subject to heavy flooding when summer monsoon storms appear on short notice.
www.wrh.noaa.gov Flash Flood Potential Index.
www.8newsnow.com Flash Flood Information.