Special Weather Statement for Johnson; Muscatine; Scott +6 more
Official alert fields
What you need to know
- Applies to
- Des Moines, Johnson, Louisa, Muscatine, Scott, Henderson, Mercer, Rock Island and 1 more
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
At 841 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Letts to near New Boston to 6 miles north of Danville. Movement was east at 40 mph. HAZARD...Winds in excess of 40 mph and very heavy rainfall leading to flooding. SOURCE...Radar indicated. IMPACT...Gusty winds could...
What the bulletin says to do
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. If the heavy rain continues, a flash flood warning may be needed.
Full official description
Bulletin details
At 841 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Letts to near New Boston to 6 miles north of Danville. Movement was east at 40 mph. HAZARD...Winds in excess of 40 mph and very heavy rainfall leading to flooding. SOURCE...Radar indicated. IMPACT...Gusty winds could cause minor tree limb damage and blow around unsecured objects. Slowing or redirecting of traffic due to ponding or flowing water. Closure of waterfront access due to flooding. Locations impacted include... Davenport, Rock Island, Muscatine, Aledo, Wapello, Columbus Junction, Oquawka, Milan, Burgess, Mediapolis, Blue Grass, Buffalo, Andalusia, Fruitland, Viola, Danville, Morning Sun, Millersburg, Matherville, and New Boston. This includes Interstate 280 between mile markers 5 and 14. Peak hourly rain rates between 1 to 2 inches possible in the hardest hit areas.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 15 at 8:43PM CDT by NWS Quad Cities IA IL
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Quad Cities IA IL. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected