Flash Flood Warning
NWS Quad Cities IA IL ยท US
Details
Flash Flood Warning Issued September 20 At 12:16AM CDT Until September 20 At 6:15AM CDT By NWS Quad Cities IA IL
- Event
- Flash Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
FFWDVN The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Southern Cedar County in east central Iowa... Iowa County in east central Iowa... Johnson County in east central Iowa... Muscatine County in east central Iowa... Keokuk County in southeastern Iowa... Northwestern Louisa County in southeastern Iowa... Washington County in southeastern Iowa... * Until 615 AM CDT. * At 1216 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 2 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
Hazard
Flash flooding caused by thunderstorms.
Source
Radar indicated.
Impacts
Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Iowa City, Muscatine, Washington, Tipton, Marengo, West Branch, Sigourney, Columbus Junction, Durant, Coralville, North Liberty, West Liberty, Williamsburg, Wilton, Kalona, Tiffin, Wellman, Lone Tree and University Heights. This includes the following highways... Interstate 80 in Iowa between mile markers 205 and 277. Interstate 380 between mile markers 1 and 7.
Instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.
Affected areas
- Cedar County, IA
- Iowa County, IA
- Johnson County, IA
- Keokuk County, IA
- Louisa County, IA
- Muscatine County, IA
- Washington County, IA
Public contact
- Issuer
- NWS Quad Cities IA IL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m9s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2YKYB5SBMZV4QKXFREEADQZ
- Identifier
- urn:oid:2.49.0.1.840.0.b1647530b5db10f8acc8cbf7b275d41d896a364b.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Quad Cities IA IL
- AWIPS ID
- CAPDVN
- NWWS sequence
- nwws_processor.7906
- WMO heading
- XOUS53
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 53
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWDVN |
| WMOidentifier | WGUS53 KDVN 200516 |
| flashFloodDetection | RADAR INDICATED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KDVN.FF.W.0047.260920T0516Z-260920T1115Z/ |
| eventEndingTime | 2026-09-20T06:15:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Cedar County, IA
- Iowa County, IA
- Johnson County, IA
- Keokuk County, IA
- Louisa County, IA
- Muscatine County, IA
- Washington County, IA
| Name | Value |
|---|---|
| SAME | 019031 |
| SAME | 019095 |
| SAME | 019103 |
| SAME | 019107 |
| SAME | 019115 |
| SAME | 019139 |
| SAME | 019183 |
| UGC | IAC031 |
| UGC | IAC095 |
| UGC | IAC103 |
| UGC | IAC107 |
| UGC | IAC115 |
| UGC | IAC139 |
| UGC | IAC183 |
- Polygons
- 41.8,-92.3 41.79,-90.9 41.71,-90.9 41.6,-90.91 41.42,-91.05 41.27,-91.1 41.21,-92.41 41.51,-92.41 41.51,-92.3 41.8,-92.3