At 934 pm pdt, a severe thunderstorm was located over southern highlands, moving south at 20 mph (surface wind observations). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. locations impacted include, las vegas, henderson, north las vegas, anthem, summerlin, mountains edge, the strip, nellis afb, downtown las vegas, east las vegas, sam boyd stadium, southern highlands, spring valley, green valley, enterprise, paradise, lone mountain, lake las vegas, sloan and seven hills. this includes interstate 15 in nevada between mile markers 20 and 25. thunderstorm damage threat, considerable hail threat, radar indicated max hail size, <. 75 in wind threat, radar indicated max wind gust, 70 mph.