Alert archive / Illinois / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 177, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 5, 2023, 1:14 PM CDT for Jackson County, Iowa; Carroll County, Jo Daviess County, Illinois. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 5, 2023, 1:14 PM CDT (18:14 UTC)
- Expired
- Jul 5, 2023, 2:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Jackson County, IA, Carroll County, IL, Jo Daviess County, IL
The radar
The Quad Cities radar (KDVN), 71 km from the middle of the area, began a volume at 18:17 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 nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 6.2 hours before the alert went out and 68 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 973 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1154 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 12:15 PM CDT, 59 minutes earlier.
Area forecast discussion, Jul 5, 12:15 PM CDT, 59 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Jul 5, 3:31 AM CDT, 9 hours 43 minutes before
Hazardous Weather Outlook National Weather Service Quad Cities IA IL 331 AM CDT Wed Jul 5 2023 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-060845- Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson- Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson- Warren-Hancock-McDonough-Scotland-Clark- 331 AM CDT Wed Jul 5 2023 This Hazardous Weather Outlook is for portions of north central Illinois...northwest Illinois...west central Illinois...east central Iowa...northeast Iowa...southeast Iowa and northeast Missouri. .DAY ONE...TODAY AND TONIGHT Thunderstorms are expected today across the area, especially between 12 PM and 8 PM. Severe storms are possible along and east of the Mississippi. The primary risk looks to be damaging winds. The Storm Prediction Center has a slight risk of severe storms along and east of the Mississippi. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY There is a chance of thunderstorms each day from Friday through Tuesday. At this time it is too early to determine a severe risk. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible this afternoon and evening for areas along and east of the Mississippi.
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 2:39 PM CDT | Special Weather Statement | DVN | Clinton | 51 min |
| Jul 5, 12:59 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 46 min |
| Jul 5, 1:36 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 39 min |
| Jul 5, 3:12 PM CDT | Flash Flood Warning | DVN | Henderson, Warren | 4 hr |
| Jul 5, 4:04 PM CDT | Special Weather Statement | DVN | Bureau | 41 min |
| Jul 5, 4:38 PM CDT | Special Weather Statement | DVN | Bureau | 37 min |
| Jul 5, 4:41 PM CDT | Special Weather Statement | DVN | Henry | 34 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2023Severe Thunderstorm Warnings in Iowa, 2023Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.