Alert archive / Iowa / Tornado Warnings in 2024

Tornado Warning 13, NWS Quad Cities, IA

April 16, 2024Henry County, Lee County, Van Buren County, Iowa

NWS Quad Cities, IA issued this tornado warning at Apr 16, 2024, 4:13 PM CDT for Henry County, Lee County, Van Buren County, Iowa. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 16, 2024, 4:13 PM CDT (21:13 UTC)
Expired: Apr 16, 2024, 5:00 PM CDT
In force: 47 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

Counties Henry County, IA, Lee County, IA, Van Buren County, IA

The radar

The Quad Cities radar (KDVN), 120 km from the middle of the area, began a volume at 21:15 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.

What was reported inside it

Time	Report	Where	Remark
Apr 16, 4:34 PM CDT	TORNADO	4 E Salem, IA	Corrects previous tornado report from 4 E Salem. A storm spotter was following storm and came across major house damage near Jewell Ave/Salem Rd or east of 218 on Salem Road. No injuries at this time. Time is estimated based on radar.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 16, 12:06 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.2 hours before the alert went out and 125 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: 1439 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 392 m²/s²
0-3 km storm-relative helicity: 424 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

775 
WFUS53 KDVN 162113
TORDVN
IAC087-111-177-162200-
/O.NEW.KDVN.TO.W.0013.240416T2113Z-240416T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
413 PM CDT Tue Apr 16 2024

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  Southern Henry County in southeastern Iowa...
  Southeastern Van Buren County in southeastern Iowa...
  Northwestern Lee County in southeastern Iowa...

* Until 500 PM CDT.

* At 411 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Bonaparte, or 9 miles southeast of Keosauqua,
  moving northeast at 45 mph.

  HAZARD...Tornado and half dollar size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Bonaparte, Hillsboro, Bentonsport/Vernon, Houghton, Mt Hamill, and 
  Primrose around 415 PM CDT.
  Salem and Pilot Grove around 420 PM CDT.
  St. Paul around 425 PM CDT.
  Mount Pleasant, Lowell, Oakland Mills, Oakland Mills Park, 
  Stephenson Park, Water Works Park, and Henry County Fairgrounds 
  around 430 PM CDT.

Other locations in the path of this tornadic thunderstorm include New
London and Mount Pleasant Municipal Arpt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 4106 9151 4097 9137 4081 9137 4081 9141
      4079 9137 4061 9173 4061 9184 4067 9192
TIME...MOT...LOC 2111Z 222DEG 40KT 4067 9179 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN

$$

Gibbs

4 follow-up statements

776 
WWUS53 KDVN 162120
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
420 PM CDT Tue Apr 16 2024

IAC087-111-177-162200-
/O.CON.KDVN.TO.W.0013.000000T0000Z-240416T2200Z/
Henry IA-Van Buren IA-Lee IA-
420 PM CDT Tue Apr 16 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTHERN
HENRY...EAST CENTRAL VAN BUREN AND NORTHWESTERN LEE COUNTIES...

At 420 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mt Hamill, or 13 miles east of Keosauqua, moving
northeast at 45 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Salem, Hillsboro, St. Paul, Pilot Grove, Houghton, and Mt Hamill 
  around 425 PM CDT.
  Mount Pleasant, Lowell, Oakland Mills, Mount Pleasant Municipal 
  Arpt, Oakland Mills Park, Stephenson Park, Water Works Park, and 
  Henry County Fairgrounds around 430 PM CDT.

Other locations in the path of this tornadic thunderstorm include New
London.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 4106 9151 4097 9137 4081 9137 4081 9141
      4079 9137 4061 9173 4065 9179 4072 9184
TIME...MOT...LOC 2120Z 222DEG 40KT 4075 9170 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN

$$

Gibbs

578 
WWUS53 KDVN 162131
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
431 PM CDT Tue Apr 16 2024

IAC177-162140-
/O.CAN.KDVN.TO.W.0013.000000T0000Z-240416T2200Z/
Van Buren IA-
431 PM CDT Tue Apr 16 2024

...THE TORNADO WARNING FOR EAST CENTRAL VAN BUREN COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CDT for southeastern
Iowa.

&&

LAT...LON 4082 9171 4106 9151 4097 9137 4081 9137
      4081 9141 4079 9137 4071 9166 4077 9172
TIME...MOT...LOC 2130Z 223DEG 33KT 4080 9163 

$$

IAC087-111-162200-
/O.CON.KDVN.TO.W.0013.000000T0000Z-240416T2200Z/
Henry IA-Lee IA-
431 PM CDT Tue Apr 16 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTHERN
HENRY AND NORTHWESTERN LEE COUNTIES...

At 430 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Houghton, or 12 miles south of Mount Pleasant,
moving northeast at 40 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Mount Pleasant, Salem, St. Paul, Pilot Grove, Lowell, Oakland 
  Mills, Oakland Mills Park, Stephenson Park, and Henry County 
  Fairgrounds around 435 PM CDT.
  New London and Mount Pleasant Municipal Arpt around 440 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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

&&

LAT...LON 4082 9171 4106 9151 4097 9137 4081 9137
      4081 9141 4079 9137 4071 9166 4077 9172
TIME...MOT...LOC 2130Z 223DEG 33KT 4080 9163 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN

$$

Gibbs

952 
WWUS53 KDVN 162136
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
436 PM CDT Tue Apr 16 2024

IAC087-111-162200-
/O.CON.KDVN.TO.W.0013.000000T0000Z-240416T2200Z/
Henry IA-Lee IA-
436 PM CDT Tue Apr 16 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN HENRY AND NORTH CENTRAL LEE COUNTIES...

At 435 PM CDT, a confirmed tornado was located over Salem, or 8 miles
south of Mount Pleasant, moving northeast at 45 mph.

HAZARD...Damaging tornado and half dollar size hail.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  Mount Pleasant, New London, Lowell, Mount Pleasant Municipal Arpt, 
  Stephenson Park, and Henry County Fairgrounds around 440 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

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

&&

LAT...LON 4084 9167 4106 9151 4097 9137 4085 9137
      4076 9153 4080 9166
TIME...MOT...LOC 2135Z 222DEG 40KT 4084 9158 

TORNADO...OBSERVED
MAX HAIL SIZE...1.25 IN

$$

Gibbs

303 
WWUS53 KDVN 162139 RRA
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
439 PM CDT Tue Apr 16 2024

IAC111-162149-
/O.CAN.KDVN.TO.W.0013.000000T0000Z-240416T2200Z/
Lee IA-
439 PM CDT Tue Apr 16 2024

...THE TORNADO WARNING FOR NORTH CENTRAL LEE COUNTY IS CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM CDT for southeastern
Iowa.

&&

LAT...LON 4106 9151 4097 9137 4087 9137 4081 9150
      4081 9161 4085 9163
TIME...MOT...LOC 2139Z 222DEG 40KT 4088 9154 

$$

IAC087-162200-
/O.CON.KDVN.TO.W.0013.000000T0000Z-240416T2200Z/
Henry IA-
439 PM CDT Tue Apr 16 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN HENRY COUNTY...

At 439 PM CDT, a confirmed tornado was located near Salem, or near
Mount Pleasant, moving northeast at 45 mph.

HAZARD...Damaging tornado and half dollar size hail.

SOURCE...Weather spotters confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  Mount Pleasant, New London, Mount Pleasant Municipal Arpt, and 
  Henry County Fairgrounds around 445 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

This storm has a history of producing tornadoes.  Seek shelter now!

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

&&

LAT...LON 4106 9151 4097 9137 4087 9137 4081 9150
      4081 9161 4085 9163
TIME...MOT...LOC 2139Z 222DEG 40KT 4088 9154 

TORNADO...OBSERVED
MAX HAIL SIZE...1.25 IN

$$

Gibbs

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 5:30 AM CDT	Special Weather Statement	DVN	Buchanan	15 min
Apr 16, 11:47 AM CDT	Severe Thunderstorm Warning	DVN	Lee, Van Buren	43 min
Apr 16, 1:12 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Van Buren	33 min
Apr 16, 1:14 PM CDT	Severe Thunderstorm Warning	DVN	Lee	46 min
Apr 16, 2:34 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Delaware, Iowa, Johnson, Linn	41 min
Apr 16, 2:48 PM CDT	Tornado Warning	DVN	Benton, Buchanan, Linn	27 min
Apr 16, 2:58 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Johnson, Jones, Linn	47 min
Apr 16, 3:02 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	43 min
Apr 16, 3:13 PM CDT	Tornado Warning	DVN	Buchanan, Delaware	32 min
Apr 16, 3:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Buchanan, Delaware, Dubuque, Johnson, Jones, Linn	45 min
Apr 16, 3:17 PM CDT	Severe Thunderstorm Warning	DVN	Keokuk, Washington	43 min
Apr 16, 3:20 PM CDT	Tornado Warning	DVN	Cedar, Delaware, Dubuque, Jones, Linn	25 min
Apr 16, 3:39 PM CDT	Tornado Warning	DVN	Van Buren	51 min
Apr 16, 3:43 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Jefferson, Van Buren, Washington	47 min
Apr 16, 3:47 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	13 min
Apr 16, 3:47 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Iowa, Johnson, Keokuk, Linn, Washington	43 min
Apr 16, 3:57 PM CDT	Severe Thunderstorm Warning	DVN	Washington	33 min
Apr 16, 4:17 PM CDT	Tornado Warning	DVN	Cedar, Johnson, Linn	28 min
Apr 16, 4:23 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson and 5 more	52 min
Apr 16, 4:25 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Johnson, Louisa, Muscatine, Washington	50 min
Apr 16, 4:49 PM CDT	Severe Thunderstorm Warning	DVN	Dubuque, Jackson	41 min
Apr 16, 4:51 PM CDT	Tornado Warning Tornado observed	DVN	Des Moines, Henry, Louisa	39 min
Apr 16, 4:54 PM CDT	Tornado Warning	DVN	Des Moines, Lee	51 min
Apr 16, 5:02 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque, Jackson, Jones	43 min
Apr 16, 5:14 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Jones, Muscatine, Scott	21 min
Apr 16, 5:20 PM CDT	Tornado Warning	DVN	Louisa	40 min
Apr 16, 5:40 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	50 min
Apr 16, 5:46 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Lee	29 min
Apr 16, 5:54 PM CDT	Severe Thunderstorm Warning	DVN	Muscatine, Scott	51 min
Apr 16, 5:59 PM CDT	Tornado Warning	DVN	Scott	31 min
Apr 16, 6:22 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	23 min
Apr 16, 6:42 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson, Scott	48 min
Apr 16, 6:56 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Louisa	64 min

Nearby

Tornado Warnings in Iowa, 2024 Every tornado warning in 2024 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.