Alert archive / Iowa / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 115, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Aug 2, 2022, 5:11 AM CDT for Cedar County, Johnson County, Muscatine County, Iowa. It was in force for 31 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
- Aug 2, 2022, 5:11 AM CDT (10:11 UTC)
- Expired
- Aug 2, 2022, 5:42 AM CDT
- In force
- 31 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cedar County, IA, Johnson County, IA, Muscatine County, IA
The radar
The Quad Cities radar (KDVN), 58 km from the middle of the area, began a volume at 10:15 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 00:00Z, 10.2 hours before the alert went out and 65 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
- 472 J/kg
- Mixed-layer CIN
- -189 J/kg
- Mixed-layer LCL
- 1345 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 Aug 2, 2:46 AM CDT, 2 hours 25 minutes earlier.
Area forecast discussion, Aug 2, 2:46 AM CDT, 2 hours 25 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, Aug 2, 3:51 AM CDT, 1 hour 20 minutes before
Hazardous Weather Outlook National Weather Service Quad Cities IA IL 351 AM CDT Tue Aug 2 2022 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-030900- 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- 351 AM CDT Tue Aug 2 2022 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 Temperatures and humidity on the rise will lead to heat indices between 100 to 105 today. Thus, a Heat Advisory has been issued from 1 PM to 8 PM today. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Threat for thunderstorms on Wednesday, where some may be strong to severe in the afternoon. If the showers and storms don't materialize, we will see temperatures in the 90s again, with high humidity. Thus, heat headlines will be possible for heat index values near or over 100. Next chance for possible heat headlines will be over the weekend, with temperatures over 90 and increasing humidity once again. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight. Gibbs/Gunkel
In the hours before
Special weather statement, Aug 2, 4:23 AM CDT, 48 minutes before
Special Weather Statement
National Weather Service Quad Cities IA/IL
423 AM CDT Tue Aug 2 2022
IAZ051-052-063>065-021015-
Linn IA-Benton IA-Iowa IA-Cedar IA-Johnson IA-
423 AM CDT Tue Aug 2 2022
...Strong thunderstorms will impact portions of west central Cedar,
Johnson, southeastern Benton, southern Linn and east central Iowa
Counties through 515 AM CDT...
At 423 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Atkins to near Amana to near Williamsburg.
Movement was east at 35 mph.
HAZARD...Winds in excess of 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Cedar Rapids, Iowa City, West Branch, Coralville, North Liberty,
Mount Vernon, Lisbon, Fairfax, Solon, Tiffin, Ely, Walford,
University Heights, Swisher, Oxford, Hills, Shueyville, Bertram,
Oakdale and Lake Macbride State Park.
This includes the following highways...
Interstate 80 in Iowa between mile markers 229 and 253.
Interstate 380 between mile markers 1 and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.
&&
LAT...LON 4201 9184 4192 9136 4164 9137 4159 9151
4166 9184
TIME...MOT...LOC 0923Z 283DEG 32KT 4196 9183 4178 9183 4164 9199
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
GibbsSpecial weather statement, Aug 2, 5:01 AM CDT, 10 minutes before
Special Weather Statement
National Weather Service Quad Cities IA/IL
501 AM CDT Tue Aug 2 2022
IAZ052-053-064>068-078-ILZ015-021045-
Rock Island IL-Scott IA-Clinton IA-Linn IA-Muscatine IA-Cedar IA-
Louisa IA-Jones IA-Johnson IA-
501 AM CDT Tue Aug 2 2022
...Strong thunderstorms will impact portions of west central Rock
Island, north central Louisa, Cedar, northwestern Scott, southeastern
Johnson, southern Jones, Muscatine, southeastern Linn and
southwestern Clinton Counties through 545 AM CDT...
At 501 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Mechanicsville to near West Liberty to
Kalona. Movement was southeast at 45 mph.
HAZARD...Winds in excess of 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Iowa City, Muscatine, Tipton, West Branch, Durant, Mechanicsville,
Stanwood, West Liberty, Wilton, Walcott, Lone Tree, Fruitland,
Lowden, Wheatland, Hills, Bennett, Nichols, Atalissa, Rochester and
Fairport.
This includes Interstate 80 in Iowa between mile markers 248 and 284.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4187 9090 4180 9078 4159 9078 4145 9079
4145 9085 4142 9093 4143 9097 4142 9103
4141 9105 4135 9107 4133 9113 4142 9137
4154 9157 4186 9137 4186 9138 4195 9136
4195 9120
TIME...MOT...LOC 1001Z 294DEG 38KT 4188 9128 4161 9133 4150 9170
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
GibbsThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 2:44 AM CDT | Heat Advisory | DVN | Benton, Cedar, Des Moines, Henry, Iowa, Jefferson and 9 more | 17 hr |
| Aug 2, 3:59 AM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa | 31 min |
| Aug 2, 4:23 AM CDT | Special Weather Statement | DVN | Johnson | 52 min |
| Aug 2, 5:01 AM CDT | Special Weather Statement | DVN | Cedar, Muscatine | 44 min |
| Aug 2, 5:36 AM CDT | Special Weather Statement | DVN | Scott | 39 min |
| Aug 2, 6:15 AM CDT | Special Weather Statement | DVN | Des Moines, Louisa | 60 min |
| Aug 2, 6:38 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 23 min |
| Aug 2, 6:13 AM CDT | Special Weather Statement | DVN | Bureau, Henry | 62 min |
| Aug 2, 7:20 AM CDT | Special Weather Statement | DVN | Henderson, McDonough, Warren | 55 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2022Every severe thunderstorm warning in 2022
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.