Alert archive / Iowa / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 28, NWS Quad Cities, IA

June 24, 2021Jefferson County, Van Buren County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 24, 2021, 7:23 PM CDT for Jefferson County, Van Buren County, Iowa. It was in force for 40 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 24, 2021, 7:23 PM CDT (00:23 UTC)
Expired
Jun 24, 2021, 8:03 PM CDT
In force
40 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jefferson County, IA, Van Buren County, IA

The radar

The Quad Cities radar (KDVN), 135 km from the middle of the area, began a volume at 00:23 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, 0.4 hours before the alert went out and 141 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2021-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2021-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
112 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
817 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

207 
WUUS53 KDVN 250023
SVRDVN
IAC101-177-250130-
/O.NEW.KDVN.SV.W.0028.210625T0023Z-210625T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
723 PM CDT Thu Jun 24 2021

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for...
  Northern Van Buren County in southeastern Iowa...
  Jefferson County in southeastern Iowa...

* Until 830 PM CDT.

* At 722 PM CDT, a severe thunderstorm was located over Batavia, or
  11 miles west of Fairfield, moving east at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Fairfield, Batavia, Birmingham, Libertyville, Stockport, Lockridge,
  Maharishi Vedic City, Packwood, Pleasant Plain, Abingdon, Glasgow,
  Morris Park, Germanville, Selma, Jefferson County Park, Collett,
  Round Prairie Park, Fairfield Municipal Airport, Perlee and Linby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
sturdy building.

Continuous cloud to ground lightning is occurring with this storm.
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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4116 9218 4116 9172 4082 9172 4087 9218
TIME...MOT...LOC 0022Z 280DEG 23KT 4101 9218 

HAIL...0.75IN
WIND...60MPH
 
$$

McClure
4 follow-up statements
929 
WWUS53 KDVN 250032
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
732 PM CDT Thu Jun 24 2021

IAC101-177-250130-
/O.CON.KDVN.SV.W.0028.000000T0000Z-210625T0130Z/
Van Buren IA-Jefferson IA-
732 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHERN VAN BUREN AND JEFFERSON COUNTIES...

At 731 PM CDT, a severe thunderstorm was located near Batavia, or
near Fairfield, moving east at 25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fairfield, Batavia, Birmingham, Libertyville, Stockport, Lockridge,
Maharishi Vedic City, Packwood, Pleasant Plain, Abingdon, Glasgow,
Morris Park, Germanville, Selma, Jefferson County Park, Collett,
Round Prairie Park, Fairfield Municipal Airport, Perlee and Linby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
sturdy building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
the Quad Cities.

Continuous cloud to ground lightning is occurring with this storm.
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 this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4116 9218 4116 9172 4082 9172 4087 9218
TIME...MOT...LOC 0031Z 280DEG 23KT 4100 9210 

HAIL...0.75IN
WIND...60MPH
 
$$

McClure
771 
WWUS53 KDVN 250046
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
746 PM CDT Thu Jun 24 2021

IAC101-177-250130-
/O.CON.KDVN.SV.W.0028.000000T0000Z-210625T0130Z/
Van Buren IA-Jefferson IA-
746 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHERN VAN BUREN AND JEFFERSON COUNTIES...

At 746 PM CDT, severe thunderstorms were located along a line
extending from Maharishi Vedic City to near Birmingham, moving east
at 25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fairfield, Birmingham, Libertyville, Stockport, Lockridge, Maharishi
Vedic City, Fairfield Municipal Airport, Perlee, Glasgow, Morris
Park, Germanville, Selma, Jefferson County Fairgrounds, Jefferson
County Park, Brookville, Mac Coon Access, Salina, Collett, Round
Prairie Park and Beckwith.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
sturdy building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
the Quad Cities.

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 4111 9195 4116 9172 4082 9172 4087 9218
      4106 9211
TIME...MOT...LOC 0046Z 270DEG 20KT 4106 9200 4087 9201 

HAIL...0.75IN
WIND...60MPH
 
$$

McClure
680 
WWUS53 KDVN 250054
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
754 PM CDT Thu Jun 24 2021

IAC101-177-250130-
/O.CON.KDVN.SV.W.0028.000000T0000Z-210625T0130Z/
Van Buren IA-Jefferson IA-
754 PM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHERN VAN BUREN AND SOUTHERN JEFFERSON COUNTIES...

At 754 PM CDT, a severe thunderstorm was located near Fairfield,
moving east at 25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fairfield, Birmingham, Libertyville, Stockport, Lockridge, Glasgow,
Morris Park, Selma, Jefferson County Fairgrounds, Jefferson County
Park, Mac Coon Access, Salina, Collett, Round Prairie Park and
Beckwith.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
sturdy building.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
the Quad Cities.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4105 9193 4109 9172 4082 9172 4087 9218
      4101 9211
TIME...MOT...LOC 0054Z 270DEG 23KT 4096 9194 

HAIL...0.75IN
WIND...60MPH
 
$$

McClure
687 
WWUS53 KDVN 250103
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
803 PM CDT Thu Jun 24 2021

IAC101-177-250113-
/O.CAN.KDVN.SV.W.0028.000000T0000Z-210625T0130Z/
Van Buren IA-Jefferson IA-
803 PM CDT Thu Jun 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN VAN BUREN AND
SOUTHERN JEFFERSON COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 4105 9193 4109 9172 4082 9172 4087 9218
      4101 9211
TIME...MOT...LOC 0102Z 280DEG 23KT 4095 9186 

$$

McClure

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 8:13 PM CDTSpecial Weather StatementDVNJefferson47 min
Jun 24, 8:42 PM CDTFlash Flood WarningDVNJefferson, Van Buren6 hr
Jun 24, 11:34 PM CDTSevere Thunderstorm WarningDVNVan Buren41 min
Jun 24, 11:44 PM CDTSevere Thunderstorm WarningDVNLee46 min
Jun 25, 2:49 AM CDTAreal Flood WarningDVNJefferson, Van Buren17 hr
Jun 25, 4:07 AM CDTRiver Flood WarningDVNVan Buren10 hr
Jun 25, 4:07 AM CDTRiver Flood WarningDVNLee62 hr
Jun 25, 5:05 AM CDTSpecial Weather StatementDVNCedar40 min
Jun 25, 8:07 AM CDTAreal Flood WarningDVNVan Buren26 hr
Jun 25, 2:12 PM CDTSpecial Weather StatementDVNDubuque33 min
Jun 25, 2:48 PM CDTSpecial Weather StatementDVNDelaware, Dubuque57 min
Jun 25, 4:26 PM CDTSpecial Weather StatementDVNDelaware, Dubuque49 min
Jun 25, 6:18 PM CDTSpecial Weather StatementDVNBenton, Jackson, Jones, Linn42 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2021Every severe thunderstorm warning in 2021

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.