Alert archive / Iowa / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 21, NWS Quad Cities, IA

April 22, 2022Clinton County, Scott County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 22, 2022, 4:29 PM CDT for Clinton County, Scott 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 outline as issued.

The facts

Issued: Apr 22, 2022, 4:29 PM CDT (21:29 UTC)
Expired: Apr 22, 2022, 5:00 PM CDT
In force: 31 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Clinton County, IA, Scott County, IA

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.5 hours before the alert went out and 17 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1602 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 553 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

194 
WUUS53 KDVN 222129
SVRDVN
IAC045-163-222200-
/O.NEW.KDVN.SV.W.0021.220422T2129Z-220422T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
429 PM CDT Fri Apr 22 2022

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Scott County in east central Iowa...
  Southwestern Clinton County in east central Iowa...

* Until 500 PM CDT.

* At 429 PM CDT, a severe thunderstorm was located near Grand Mound,
  or 14 miles north of Davenport, moving east at 20 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Park View around 435 PM CDT.
  DeWitt, Scott County Park and Clinton County Fairgrounds around 
  440 PM CDT.

Other locations in the path of this severe thunderstorm include
McCausland, Malone, Low Moor and Elvira.

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.

&&

LAT...LON 4168 9076 4185 9074 4187 9033 4170 9036
TIME...MOT...LOC 2129Z 262DEG 19KT 4176 9061 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

DC

2 follow-up statements

242 
WWUS53 KDVN 222145
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
445 PM CDT Fri Apr 22 2022

IAC045-163-222200-
/O.CON.KDVN.SV.W.0021.000000T0000Z-220422T2200Z/
Scott IA-Clinton IA-
445 PM CDT Fri Apr 22 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR NORTHEASTERN SCOTT AND SOUTHWESTERN CLINTON COUNTIES...

At 445 PM CDT, a severe thunderstorm was located near McCausland, or
14 miles north of Bettendorf, and is nearly stationary.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
  McCausland, Malone, Low Moor and Elvira.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4168 9076 4185 9074 4187 9033 4170 9036
TIME...MOT...LOC 2145Z 262DEG 19KT 4178 9050 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

DC

817 
WWUS53 KDVN 222154
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
454 PM CDT Fri Apr 22 2022

IAC045-163-222204-
/O.EXP.KDVN.SV.W.0021.000000T0000Z-220422T2200Z/
Scott IA-Clinton IA-
454 PM CDT Fri Apr 22 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SCOTT AND
SOUTHWESTERN CLINTON COUNTIES WILL EXPIRE AT 500 PM CDT...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning will be allowed to expire.  However heavy 
rain is still possible with this thunderstorm.

LAT...LON 4168 9076 4185 9074 4187 9033 4170 9036
TIME...MOT...LOC 2154Z 262DEG 19KT 4179 9044 

$$

DC

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 9:10 PM CDT	River Flood Watch	DVN	Johnson, Washington	4 days
Apr 21, 9:10 PM CDT	River Flood Watch	DVN	Keokuk	13 hr
Apr 21, 9:10 PM CDT	River Flood Watch	DVN	Clinton, Scott	3 days
Apr 22, 3:07 AM CDT	Flood Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	12 hr
Apr 22, 6:27 AM CDT	Special Weather Statement	DVN	Benton, Buchanan	63 min
Apr 22, 10:46 AM CDT	River Flood Watch	DVN	Des Moines	7 days
Apr 22, 10:46 AM CDT	River Flood Watch	DVN	Des Moines, Louisa	6 days
Apr 22, 10:46 AM CDT	River Flood Watch	DVN	Des Moines, Lee	6 days
Apr 22, 10:48 AM CDT	Special Weather Statement	DVN	Benton, Iowa, Keokuk, Linn	57 min
Apr 22, 11:11 AM CDT	Flash Flood Warning	DVN	Iowa, Johnson, Keokuk, Louisa, Washington	6 hr
Apr 22, 11:49 AM CDT	Special Weather Statement	DVN	Linn	41 min
Apr 22, 12:05 PM CDT	Flash Flood Warning	DVN	Iowa, Johnson	81 min
Apr 22, 12:22 PM CDT	Flash Flood Warning	DVN	Keokuk	52 min
Apr 22, 1:47 PM CDT	Special Weather Statement	DVN	Johnson	43 min
Apr 22, 3:13 PM CDT	Special Weather Statement	DVN	Cedar, Scott	32 min
Apr 22, 4:03 PM CDT	Special Weather Statement	DVN	Clinton	27 min
Apr 22, 4:07 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	23 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2022 Every 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.