Severe Thunderstorm Warning
NWS Quad Cities IA IL ยท US
Details
Severe Thunderstorm Warning Issued September 20 At 1:18AM CDT Until September 20 At 2:15AM CDT By NWS Quad Cities IA IL
- Event
- Severe Thunderstorm Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Observed
- Response
- Shelter
Description
Overview
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Western Rock Island County in northwestern Illinois... Northwestern Mercer County in northwestern Illinois... Northern Henry County in southeastern Iowa... North central Van Buren County in southeastern Iowa... Louisa County in southeastern Iowa... Southeastern Keokuk County in southeastern Iowa... Southwestern Cedar County in east central Iowa... Southern Johnson County in east central Iowa... Washington County in southeastern Iowa... Muscatine County in east central Iowa... Jefferson County in southeastern Iowa... * Until 215 AM CDT. * At 118 AM CDT, severe thunderstorms were located along a line extending from Harper to near Coppock to near Hillsboro, moving northeast at 50 mph.
Hazard
60 mph wind gusts.
Source
Radar indicated.
Impacts
Expect damage to roofs, siding, and trees.
Locations impacted
Iowa City, Muscatine, Fairfield, Washington, West Branch, Wapello, Sigourney, Columbus Junction, West Liberty, Kalona, Wellman, Lone Tree, Winfield, Riverside, Fruitland, Wayland, Hills, Brighton, Richland, and Ainsworth. This includes Interstate 80 in Iowa between mile markers 248 and 265.
Instructions
For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Affected areas
- Mercer County, IL
- Rock Island County, IL
- Cedar County, IA
- Henry County, IA
- Jefferson County, IA
- Johnson County, IA
- Keokuk County, IA
- Louisa County, IA
- Muscatine County, IA
- Van Buren County, IA
- Washington County, IA
Public contact
- Issuer
- NWS Quad Cities IA IL
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~53s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2YQFBW0ZN875HEDPWPWKPXK
- Identifier
- urn:oid:2.49.0.1.840.0.d030b6f26419bf9d2217f3dbeb9981dad598b072.001.1
- 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.441
- 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 | SVR |
| NationalWeatherService | SVW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SVRDVN |
| WMOidentifier | WUUS53 KDVN 200618 |
| eventMotionDescription | 2026-09-20T06:18:00-00:00...storm...244DEG...45KT...41.39,-92.03 41.22,-91.75 40.88,-91.71 |
| windThreat | RADAR INDICATED |
| maxWindGust | 60 MPH |
| hailThreat | RADAR INDICATED |
| maxHailSize | Up to .75 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KDVN.SV.W.0289.260920T0618Z-260920T0715Z/ |
| eventEndingTime | 2026-09-20T02:15:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Mercer County, IL
- Rock Island County, IL
- Cedar County, IA
- Henry County, IA
- Jefferson County, IA
- Johnson County, IA
- Keokuk County, IA
- Louisa County, IA
- Muscatine County, IA
- Van Buren County, IA
- Washington County, IA
| Name | Value |
|---|---|
| SAME | 017131 |
| SAME | 017161 |
| SAME | 019031 |
| SAME | 019087 |
| SAME | 019101 |
| SAME | 019103 |
| SAME | 019107 |
| SAME | 019115 |
| SAME | 019139 |
| SAME | 019177 |
| SAME | 019183 |
| UGC | ILC131 |
| UGC | ILC161 |
| UGC | IAC031 |
| UGC | IAC087 |
| UGC | IAC101 |
| UGC | IAC103 |
| UGC | IAC107 |
| UGC | IAC115 |
| UGC | IAC139 |
| UGC | IAC177 |
| UGC | IAC183 |
- Polygons
- 41.33,-92.22 41.77,-91.29 41.52,-90.98 41.24,-91.0 40.82,-91.97 41.07,-92.11 41.13,-92.18 41.16,-92.18 41.16,-92.22 41.33,-92.22