Alert archive / Iowa / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 252, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 25, 2024, 7:25 PM CDT for Cedar County, Johnson County, Linn County, Iowa. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2024, 7:25 PM CDT (00:25 UTC)
- Expired
- Jun 25, 2024, 7:46 PM CDT
- In force
- 21 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Possible
- Damage threat
- Considerable
- Hail
- 1.25 in
- Wind
- 70.0 mph
Counties Cedar County, IA, Johnson County, IA, Linn County, IA
The radar
The Quad Cities radar (KDVN), 71 km from the middle of the area, began a volume at 00:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 25, 5:17 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.4 hours before the alert went out and 298 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
- 7 J/kg
- Mixed-layer CIN
- -485 J/kg
- Mixed-layer LCL
- 2407 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
836
WUUS53 KDVN 260025
SVRDVN
IAC031-103-113-260130-
/O.NEW.KDVN.SV.W.0252.240626T0025Z-240626T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
725 PM CDT Tue Jun 25 2024
The National Weather Service in the Quad Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Cedar County in east central Iowa...
Northeastern Johnson County in east central Iowa...
Southeastern Linn County in east central Iowa...
* Until 830 PM CDT.
* At 724 PM CDT, severe thunderstorms were located along a line
extending from Shueyville to Cou Falls, moving southeast at 25
mph. A large hail producing storm is also located near the Linn
and Johnson County border.
HAZARD...70 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* Locations impacted include...
Cedar Rapids, Iowa City, West Branch, Coralville, North Liberty,
Solon, Ely, University Heights, Shueyville, Lake Macbride State
Park, Rochester, Buchanan, Newport, Cedar Valley, Sugar Bottom Camp
Ground, Sutliff, West Overlook, Coralville Lake Dam Complex,
Springdale, and Cedar Bluff.
This includes the following highways...
Interstate 80 in Iowa between mile markers 243 and 268.
Interstate 380 between mile markers 8 and 17.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
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.
&&
LAT...LON 4190 9136 4160 9104 4160 9153 4195 9173
TIME...MOT...LOC 0024Z 306DEG 24KT 4187 9163 4179 9165
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Friedlein1 follow-up statement
729 WWUS53 KDVN 260046 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 746 PM CDT Tue Jun 25 2024 IAC031-103-113-260055- /O.CAN.KDVN.SV.W.0252.000000T0000Z-240626T0130Z/ Cedar IA-Johnson IA-Linn IA- 746 PM CDT Tue Jun 25 2024 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CEDAR... NORTHEASTERN JOHNSON AND SOUTHEASTERN LINN COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until midnight CDT for east central Iowa. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service the Quad Cities. && LAT...LON 4190 9136 4160 9104 4160 9153 4195 9173 TIME...MOT...LOC 0044Z 306DEG 24KT 4179 9148 4171 9150 $$ Ervin
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:07 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 38 min |
| Jun 25, 7:12 PM CDT | Tornado Warning | DVN | Cedar, Johnson, Muscatine | 33 min |
| Jun 25, 7:22 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 68 min |
| Jun 25, 7:40 PM CDT | Severe Thunderstorm Warning | DVN | Lee, Van Buren | 50 min |
| Jun 25, 7:44 PM CDT | Tornado Warning | DVN | Muscatine, Scott | 46 min |
| Jun 25, 7:49 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 29 min |
| Jun 25, 7:52 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 68 min |
| Jun 25, 7:54 PM CDT | Flash Flood Warning | DVN | Van Buren | 63 min |
| Jun 25, 8:19 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 26 min |
| Jun 25, 8:24 PM CDT | River Flood Warning | DVN | Cedar | 5 days |
| Jun 25, 8:36 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 39 min |
| Jun 25, 8:48 PM CDT | River Flood Watch | DVN | Louisa | 21 days |
| Jun 25, 8:48 PM CDT | River Flood Watch | DVN | Louisa | 21 days |
| Jun 25, 9:10 PM CDT | Severe Thunderstorm Warning | DVN | Johnson, Louisa, Muscatine | 22 min |
| Jun 25, 9:19 PM CDT | River Flood Watch | DVN | Lee | 21 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Louisa, Muscatine | 17 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Cedar, Johnson, Muscatine | 5 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Louisa | 9 days |
| Jun 26, 10:00 AM CDT | River Flood Warning | DVN | Louisa | 18 days |
| Jun 26, 11:56 AM CDT | River Flood Warning | DVN | Lee | 27 days |
Nearby
Severe Thunderstorm Warnings in Iowa, 2024Every severe thunderstorm warning in 2024
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.