Alert archive / Iowa / River Flood Warnings in 2023
River Flood Warning 22, NWS Quad Cities, IA
NWS Quad Cities, IA issued this river flood warning at Apr 17, 2023, 1:05 PM CDT for Louisa County, Iowa; Mercer County, Illinois. It took effect at Apr 20, 2023, 1:00 PM CDT. It was in force for 31 days.
The area
The counties it named.
The facts
- Issued
- Apr 17, 2023, 1:05 PM CDT (18:05 UTC)
- In effect from
- Apr 20, 2023, 1:00 PM CDT
- Expired
- May 21, 2023, 8:31 PM CDT
- In force
- 31 days
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- Moderate
Counties Louisa County, IA, Mercer County, IL
The radar
The Quad Cities radar (KDVN), 57 km from the middle of the area, began a volume at 18:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Mississippi River at New Boston (NBOI2).
- Action stage
- 14 ft
- Minor stage
- 15 ft
- Moderate stage
- 16.5 ft
- Major stage
- 18.5 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 12:38 PM CDT | River Flood Warning | DVN | Clinton, Scott | 30 days |
| Apr 17, 12:41 PM CDT | River Flood Warning | DVN | Clinton, Jackson | 23 days |
| Apr 17, 12:42 PM CDT | River Flood Warning | DVN | Clinton | 26 days |
| Apr 17, 12:45 PM CDT | River Flood Warning | DVN | Scott | 27 days |
| Apr 17, 12:47 PM CDT | River Flood Warning | DVN | Muscatine, Scott | 32 days |
| Apr 17, 12:48 PM CDT | River Flood Warning | DVN | Muscatine | 30 days |
| Apr 17, 12:50 PM CDT | River Flood Warning | DVN | Louisa, Muscatine | 34 days |
| Apr 17, 1:07 PM CDT | River Flood Warning | DVN | Des Moines, Louisa | 36 days |
| Apr 17, 3:00 PM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more | 17 hr |
Nearby
River Flood Warnings in Iowa, 2023River Flood Warnings in Illinois, 2023Every river flood warning in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.