On Wednesday, a chart featured the slow start to the severe weather season in Iowa. Today's featured chart displays the period between the first and last Severe T'storm and Tornado Warning issued in Iowa. The year of 2008 really sticks out with period shown being nearly the entire year. The latest first warning was on 15 April of 2003, so we should see our first warning this year within the next few weeks.

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Tags:   nws