Alert archive / Iowa / River Flood Warnings in 2018
River Flood Warning 103, NWS Quad Cities, IA
NWS Quad Cities, IA issued this river flood warning at Sep 19, 2018, 9:48 PM CDT for Iowa County, Iowa. It took effect at Sep 20, 2018, 5:48 PM CDT. It was in force for 34 days.
The area
The counties it named.
The facts
- Issued
- Sep 19, 2018, 9:48 PM CDT (02:48 UTC)
- In effect from
- Sep 20, 2018, 5:48 PM CDT
- Expired
- Oct 24, 2018, 8:04 PM CDT
- In force
- 34 days
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- Minor
County Iowa County, IA
The radar
The Quad Cities radar (KDVN), 124 km from the middle of the area, began a volume at 02:47 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 Iowa River at Marengo (MROI4). The gauge peaked at 18.75 ft at Oct 10, 2018, 4:00 PM CDT.
- Action stage
- 13 ft
- Minor stage
- 15 ft
- Moderate stage
- 17 ft
- Major stage
- 19 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05453100, 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 |
|---|---|---|---|---|
| Sep 19, 9:07 PM CDT | River Flood Watch | DVN | Clinton, Scott | 12 hr |
| Sep 19, 9:52 PM CDT | River Flood Watch | DVN | Louisa | 37 hr |
| Sep 19, 9:52 PM CDT | River Flood Watch | DVN | Louisa | 24 hr |
| Sep 20, 9:25 AM CDT | River Flood Warning | DVN | Cedar, Jones, Linn | 10 days |
| Sep 20, 9:25 AM CDT | River Flood Warning | DVN | Clinton, Scott | 33 days |
| Sep 20, 10:31 AM CDT | River Flood Watch | DVN | Louisa | 24 hr |
| Sep 20, 11:19 AM CDT | River Flood Watch | DVN | Des Moines | 35 hr |
| Sep 20, 11:19 AM CDT | River Flood Watch | DVN | Des Moines, Lee | 35 hr |
| Sep 20, 2:38 PM CDT | River Flood Warning | DVN | Delaware, Jones | 50 hr |
| Sep 20, 8:48 AM CDT | River Flood Warning | DVN | Stephenson | 8 days |
Nearby
River Flood Warnings in Iowa, 2018Every river flood warning in 2018
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.