The featured chart displays the total number of tornado and severe thunderstorm warnings issued by the NWS for counties in Iowa. The top half of the graph shows the yearly totals up until 23 March and the bottom half displays the total for the year. 2010 has yet to see a warning issued in the state, but as other previous years show, a slow start does not mean the severe weather season will be a quiet one. The largest total on the chart for 2008 was after only having 4 warnings issued for the first part of the year.

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Tags:   nws