Weather Watches Watch Information By State: SOUTH DAKOTA The National Weather Service's Storm Prediction Center issues summer time severe weather watches when dangerous weather is imminent or expected. A TORNADO WATCH means conditions are favorable for tornadoes to develop or move through the watch area. Large hail (3/4 inch in diameter) and damaging wind (58 mph or greater) could also accompany any tornado-producing storms. A SEVERE THUNDERSTORM WATCH means conditions are favorable for severe thunderstorms to develop or move into the watch area. Dime size hail (3/4 inch diameter) or larger and/or damaging wind (58 mph or greater) are possible in severe thunderstorm watch areas. Most Popular |
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