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Flash Flooding Likely into Tonight for Portions of Kansas and Missouri; Heat Wave Expands to the East Coast; Tropical Storm Krosa Forms Near the Marianas.

Flash flooding likely in northeast Kansas & Missouri into tonight. Widespread extreme heat will develop and persist across much of the Southeast this weekend & next week. Tropical Storm Krosa has formed and will continue to cause heavy rain across Guam & the CNMI through Saturday. Severe storms with flooding rains expected into tonight for portions of the Midwest. Read More >

Event Summary: May 16, 2019

A slow, south moving cold front and an outflow boundary from morning thunderstorms over northern Illinois combined with a hot and humid environment to produce widespread showers and thunderstorms across eastern Iowa and northwest Illinois overnight. Several thunderstorms became severe, and produced large hail and damaging winds. Quarter sized hail was reported across Clinton and Iowa counties, while destructive winds of 70-90 MPH were reported Iowa and Washington Counties. 

In addition, torrential rainfall amounts of 1-2 inches were reported along the I-80 corridor as storms slowly moved across the area. This lead to flash flooding across many major roadways, including I-80 near Coralville and Highway 965 in Oakdale.

 

 

 

 

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Surface Analysis (Courtesy Weather Prediction Center)

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