Warning Vector

Flash Flood Warning

NWS Quad Cities IA IL ยท US

Updated
This event was updated at .

Details

Flash Flood Warning Issued September 20 At 5:41AM CDT Until September 20 At 8:15AM 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 extended the * 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 815 AM CDT. * At 541 AM CDT, Trained weather spotters reported flash flooding in Kalona. Between 2 and 4 inches of rain have fallen across portions of the warned area. Flash flooding is ongoing. Rain has tapered off to mainly light to at times moderate rain, with the heaviest rain having already occurred. Be alert for rapid rises and flooding on area streams, creeks and along the English River. Washington County deputies reported around a foot of water was covering the intersection of 133rd Street and Nutmeg Street in Kalona due to the English River being out its banks.

Hazard

Flash flooding caused by thunderstorms.

Source

Trained spotters reported.

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

Message record

Received
Issue to receipt
~1m5s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2Z6HADH1HVMDBP5T9XFAP43
Identifier
urn:oid:2.49.0.1.840.0.4869b9520d1330eae140da0719644f70ccd94469.001.1
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.8067
WMO heading
XOUS53
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
53

References

Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMEFFW
NationalWeatherServiceFFW

Parameters

NameValue
AWIPSidentifierFFWDVN
WMOidentifierWGUS53 KDVN 201041
flashFloodDetectionOBSERVED
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.EXT.KDVN.FF.W.0047.000000T0000Z-260920T1315Z/
eventEndingTime2026-09-20T08:15:00-05:00
BLOCKCHANNELCMAS
Locations

Location data

  • Cedar County, IA
  • Iowa County, IA
  • Johnson County, IA
  • Keokuk County, IA
  • Louisa County, IA
  • Muscatine County, IA
  • Washington County, IA
NameValue
SAME019031
SAME019095
SAME019103
SAME019107
SAME019115
SAME019139
SAME019183
UGCIAC031
UGCIAC095
UGCIAC103
UGCIAC107
UGCIAC115
UGCIAC139
UGCIAC183
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