Showers and thunderstorms finally made a good push into the state overnight with a good portion of the state seeing some rainfall. A few of the storms were initially severe prompting the issuance of Severe Thunderstorm Warnings. The Sioux Falls NWS office issued some of these for portions of northwestern Iowa late last evening. The featured chart displays the frequency of warning issuance by hour of the day for the office. The chart shows a peak during the 6 PM hour and minimum during the late morning hours.

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Tags:   warnings  

Tags:   warnings