The National Weather Service in Des Moines has only issued a total of just seven Severe Thunderstorm Warnings in Black Hawk County in 2021. Even though that might seem low, it's slightly above the 36-year average of 7.8 Severe T-Storms/year in Black Hawk County, according to the Iowa Environmental Mesonet.

In 2020, the NWS in Des Moines issued 17 Severe T-storm Warnings in Black Hawk County.

attachment-Severe T-sTorm Warnings yearly count

So far this year, the Des Moines office of the National Weather Service issued two such warnings in the month of June, two in July, and five in August.

The most Severe T-Storm Warnings issued in a single calendar month by the Des Moines NWS are 11: July 2020, June 2017, and June 2008. The most in an entire calendar year are 21, which occurred in 2008 and also in 2017.

attachment-t storm warnings issued per yea rby month

According to the graphic above, since 1986, there have only been TWO Severe Thunderstorm Warnings issued in Black Hawk County after the month of September. There has never been one issued within the county in the winter months of December, January, and February.

The lack of precipitation also greatly reduced the amount of Flood Warnings in Black Hawk County in 2021. Only two were issued, both in the month of August, the month where the majority of the Severe Thunderstorm Warnings were issued.

attachment-flood warnings 2021

LOOK: The most expensive weather and climate disasters in recent decades

Stacker ranked the most expensive climate disasters by the billions since 1980 by the total cost of all damages, adjusted for inflation, based on 2021 data from the National Oceanic and Atmospheric Administration (NOAA). The list starts with Hurricane Sally, which caused $7.3 billion in damages in 2020, and ends with a devastating 2005 hurricane that caused $170 billion in damage and killed at least 1,833 people. Keep reading to discover the 50 of the most expensive climate disasters in recent decades in the U.S.

Our Freedom Story mural - downtown Waterloo

Take a walk along the Cedar River in downtown Waterloo to view this 3,000-square-foot mural of the city's civil rights history shown abstractly through lines, shapes, and colors. Located behind the Waterloo Center for the Arts (near the Highway 63 bridge). Created by the Waterloo Youth Art Team.



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