Avisos, Rapid City Dam

yellow warning - severe thunderstorm - in effect At 4:32 p.m. CDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing damaging wind gusts, up to quarter size hail and heavy rain. Thunderstorm Location: Near Rivers Motion: Moving northeast at 40 km/h Hazards: Wind: damaging (90 - 110 km/h) Hail: up to quarter size (up to 2.5 cm) Rain: heavy (15 - 50 mm) Locations in the Path: Rapid City Basswood Minnedosa ### Heavy rain may cause flash flooding and significant reductions to visibility. Large hail may cause significant damage and injury. Severe thunderstorms can produce tornadoes. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain. Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Don't drive through flooded roadways.