Special Weather Statement for Rock Island; Henry; Mercer
Official alert fields
What you need to know
- Applies to
- Henry, Mercer, Rock Island
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
At 1112 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Oak Grove to near Alpha to near Knoxville. Movement was east at 45 mph. HAZARD...Winds in excess of 40 mph and torrential rainfall leading to localized 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. A Severe Thunderstorm Watch remains in effect until noon CDT for northwestern and west central Illinois.
Full official description
Bulletin details
At 1112 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Oak Grove to near Alpha to near Knoxville. Movement was east at 45 mph. HAZARD...Winds in excess of 40 mph and torrential rainfall leading to localized 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... Moline, Rock Island, Kewanee, Aledo, Cambridge, Geneseo, Milan, Colona, Coal Valley, Galva, Burgess, Orion, Andalusia, Atkinson, Viola, Annawan, Woodhull, Millersburg, Matherville, and Alpha. This includes the following highways... Interstate 80 in Illinois between mile markers 10 and 35. Interstate 74 in Illinois between mile markers 12 and 33. Interstate 280 near mile marker 14. Rainfall amounts of 1 to 2 inches per hour are possible with the strongest storms.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 13 at 11:13AM 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