Significant severe weather threat shaping up for the Chicago area Wednesday

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Chicagoland is in an area of moderate risk for severe weather Wednesday.

CHICAGO — The Storm Prediction Center in Norman, Okla., has placed the entire Chicago area in an area of moderate risk for severe weather.

The potential scenario at this time indicates the possibility of two rounds of significant thunderstorm activity. The first round will occur during the morning as a warm front lifts north through Illinois.

Thunderstorms with large hail and heavy rainfall will be the primary hazards with a low risk of damaging wind and tornadoes. the second and greater threat will be during the afternoon and evening as low-pressure approaches from the west along the warm frontal boundary.

This could initiate rapid development of severe thunderstorms that could be accompanied by damaging winds and tornadoes. it is possible that a derecho, a long-lasting and rapidly-moving complex of severe thunderstorms could sweep across this area. at this time, awareness of the severe storm potential is key so plans of action can be readied if needed.

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