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Special Weather Statement — Johnson; Cedar

Structured official-source report · Published Sep 20, 7:55 AM UTC · Updated Sep 20, 7:12 AM UTC
WATCH · active

Latest status

At 212 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near West Branch to near Muscatine to near Mannon. Movement was northeast at 45 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include... Davenport, Iowa City, Moline, Rock Island, Bettendorf, Muscatine, East Moline, Tipton, West Branch, Durant, Eldridge, Milan, Coal Valley, West Liberty, Wilton, Walcott, Blue Grass, Buffalo, Andalusia, and Lowden. This includes the following highways... Interstate 74 in Iowa between mile markers 1 and 5. Interstate 80 in Iowa between mile markers 250 and 298. Interstate 74 in Illinois between mile markers 1 and 8. Interstate 280 between mile markers 1 and 18. If outdoors, consider seeking shelter inside a building. Torrential rainfall is occurring and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.

Where it happened

Johnson; Cedar; Clinton; Muscatine; Scott; Louisa; Rock Island; Henry; Mercer · 41.611°, -90.957°

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Latest reported details

official severity
Moderate
urgency
Expected
certainty
Observed
event
Special Weather Statement
areas
Johnson; Cedar; Clinton; Muscatine; Scott; Louisa; Rock Island; Henry; Mercer

Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.

What officials are saying

Read the original reports below for instructions and the latest authoritative assessment. StormScapes does not independently confirm damage or issue evacuation orders.

What happens next

Follow updates from the responsible agency and local emergency management. Reports can change as new information becomes available.

Incident timeline

Sep 20, 7:12 AM UTC · nws

At 212 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near West Branch to near Muscatine to near Mannon. Movement was northeast at 45 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include... Davenport, Iowa City, Moline, Rock Island, Bettendorf, Muscatine, East Moline, Tipton, West Branch, Durant, Eldridge, Milan, Coal Valley, West Liberty, Wilton, Walcott, Blue Grass, Buffalo, Andalusia, and Lowden. This includes the following highways... Interstate 74 in Iowa between mile markers 1 and 5. Interstate 80 in Iowa between mile markers 250 and 298. Interstate 74 in Illinois between mile markers 1 and 8. Interstate 280 between mile markers 1 and 18. If outdoors, consider seeking shelter inside a building. Torrential rainfall is occurring and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.

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