Iowa severe weather season

Overall, it hasn’t been a very active severe weather season across the state of Iowa. In fact, the first tornado reported in the state did not occur until May 22. There have been 35 tornadoes through July 31, 2019.

The first big outbreak occurred on May 29th where more than a dozen tornadoes were reported across the state. Read more from NWS Des Moines, NWS Davenport. 

Click here for a look at the tornadoes with an interactive map from the National Weather Service.

Let’s take a look at a map that shows the number of Severe Thunderstorm Warnings across the state. Notice, most of the KWWL viewing area has had at least one warning. The exception is portions of Black Hawk, Grundy and extreme northern Tama counties, as well as a small sliver near the Delaware/Linn/Jones line.

There have been even fewer Tornado Warnings. Notice portions of Iowa County have been under a tornado warning five separate times (including multiples in one day).

The graph below shows the number of tornadoes each month in the state since 1980. July is the third most active month. Fortunately, the activity calms down a little bit in August.

However, August is still a fairly active severe weather month for the state of Iowa, and much of the upper Midwest. Below show the tornado risk area for the month.

Keep in mind, severe weather can happen any day of the year at any time.

Kyle Kiel

Kyle Kiel

Meteorologist
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