Alert archive / Iowa / Tornado Warnings in 2019

Tornado Warning 9, NWS Quad Cities, IA

May 24, 2019Cedar County, Johnson County, Muscatine County, Iowa

NWS Quad Cities, IA issued this tornado warning at May 24, 2019, 6:52 PM CDT for Cedar County, Johnson County, Muscatine County, Iowa. It was in force for 53 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: May 24, 2019, 6:52 PM CDT (23:52 UTC)
Expired: May 24, 2019, 7:45 PM CDT
In force: 53 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Cedar County, IA, Johnson County, IA, Muscatine County, IA

The radar

The Quad Cities radar (KDVN), 73 km from the middle of the area, began a volume at 23:53 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
May 24, 7:03 PM CDT	TORNADO	1 Ne Iowa City Municipa, IA

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
May 24, 6:23 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.9 hours before the alert went out and 80 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: 954 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 428 m²/s²
0-3 km storm-relative helicity: 568 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

022 
WFUS53 KDVN 242352
TORDVN
IAC031-103-139-250045-
/O.NEW.KDVN.TO.W.0009.190524T2352Z-190525T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
652 PM CDT Fri May 24 2019

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  Southwestern Cedar County in east central Iowa...
  East central Johnson County in east central Iowa...
  Northwestern Muscatine County in east central Iowa...

* Until 745 PM CDT.

* At 652 PM CDT, a confirmed tornado was located near University
  Heights, or near Iowa City, moving east at 30 mph.

  HAZARD...Damaging tornado.

  SOURCE...Law enforcement 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.

* The tornado will be near...
  Iowa City around 705 PM CDT.
  West Branch around 720 PM CDT.
  West Liberty around 725 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Newport, Springdale, Cedar Valley, Iowa City Municipal Airport,
Muscatine County Fairgrounds, Cedar Bluff, Johnson County
Fairgrounds, Oasis, Buchanan and Elmira.

This includes Interstate 80 in Iowa between mile markers 242 and 262.
 
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 or in a vehicle, move to
the closest substantial shelter and protect yourself from flying
debris.

&&

LAT...LON 4155 9164 4166 9165 4186 9121 4157 9118
TIME...MOT...LOC 2352Z 250DEG 26KT 4161 9161 

TORNADO...OBSERVED
HAIL...<.75IN

$$

McClure

8 follow-up statements

977 
WWUS53 KDVN 242359
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
659 PM CDT Fri May 24 2019

IAC031-103-139-250045-
/O.CON.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-Johnson IA-Muscatine IA-
659 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHWESTERN CEDAR...EAST CENTRAL JOHNSON AND NORTHWESTERN MUSCATINE
COUNTIES...
    
At 658 PM CDT, a severe thunderstorm capable of producing a tornado
was located over University Heights, or over Iowa City, moving east
at 30 mph.

HAZARD...Tornado and golf ball 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...
  West Branch around 725 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Springdale, Cedar Valley, Iowa City Municipal Airport, Muscatine
County Fairgrounds, Cedar Bluff, Johnson County Fairgrounds, Hills
Access, Oasis, Buchanan and Elmira.

This includes Interstate 80 in Iowa between mile markers 243 and 262.
 
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.

&&

LAT...LON 4155 9162 4167 9162 4186 9121 4157 9118
TIME...MOT...LOC 2358Z 249DEG 25KT 4163 9156 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

McClure

274 
WWUS53 KDVN 250004
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
704 PM CDT Fri May 24 2019

IAC031-103-139-250045-
/O.CON.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-Johnson IA-Muscatine IA-
704 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHWESTERN CEDAR...EAST CENTRAL JOHNSON AND NORTHWESTERN MUSCATINE
COUNTIES...
    
At 703 PM CDT, a confirmed tornado was located over Iowa City, moving
east at 30 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Law enforcement confirmed tornado just east of the Iowa 
         City Airport.

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...
  West Branch around 720 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Springdale, Cedar Valley, Iowa City Municipal Airport, Muscatine
County Fairgrounds, Cedar Bluff, Johnson County Fairgrounds, Hills
Access, Oasis, Buchanan and Elmira.

This includes Interstate 80 in Iowa between mile markers 243 and 262.
 
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.

&&

LAT...LON 4155 9156 4169 9157 4186 9121 4157 9118
TIME...MOT...LOC 0003Z 250DEG 26KT 4164 9151 

TORNADO...OBSERVED
HAIL...1.00IN

$$

McClure

028 
WWUS53 KDVN 250012
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
712 PM CDT Fri May 24 2019

IAC139-250022-
/O.CAN.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Muscatine IA-
712 PM CDT Fri May 24 2019

...THE TORNADO WARNING FOR NORTHWESTERN MUSCATINE 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 midnight CDT for east central
Iowa.

LAT...LON 4162 9149 4172 9151 4186 9121 4162 9119
TIME...MOT...LOC 0012Z 250DEG 26KT 4166 9142 

$$

IAC031-103-250045-
/O.CON.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-Johnson IA-
712 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHWESTERN CEDAR AND EAST CENTRAL JOHNSON COUNTIES...
    
At 712 PM CDT, a severe thunderstorm capable of producing a tornado
was located near West Branch, moving east at 30 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...
  West Branch around 720 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Springdale, Elmira, Cedar Valley, Cedar Valley Park, Morse, Herbert
Hoover National Historic Site, Cedar Bluff, Oasis, Buchanan and
Newport.

This includes Interstate 80 in Iowa between mile markers 247 and 262.
 
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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4162 9149 4172 9151 4186 9121 4162 9119
TIME...MOT...LOC 0012Z 250DEG 26KT 4166 9142 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

McClure

975 
WWUS53 KDVN 250020
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
720 PM CDT Fri May 24 2019

IAC031-103-250045-
/O.CON.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-Johnson IA-
720 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHWESTERN CEDAR AND EAST CENTRAL JOHNSON COUNTIES...
    
At 720 PM CDT, a severe thunderstorm capable of producing a tornado
was located over West Branch, moving east at 15 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation. This storm has had a history of 
         producing tornadoes.

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 tornadic thunderstorm will remain over mainly rural areas of
southwestern Cedar and east central Johnson Counties, including the
following locations... Springdale, Cedar Valley, Cedar Valley Park,
Herbert Hoover National Historic Site, Cedar Bluff, Oasis, Buchanan
and Elmira.

This includes Interstate 80 in Iowa between mile markers 251 and 262.
 
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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4166 9143 4176 9142 4186 9121 4165 9119
TIME...MOT...LOC 0020Z 257DEG 14KT 4169 9137 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

McClure

412 
WWUS53 KDVN 250025
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
725 PM CDT Fri May 24 2019

IAC103-250035-
/O.CAN.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Johnson IA-
725 PM CDT Fri May 24 2019

...THE TORNADO WARNING FOR EAST CENTRAL JOHNSON 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 midnight CDT for east central
Iowa.

LAT...LON 4181 9121 4172 9120 4168 9120 4168 9137
      4175 9137
TIME...MOT...LOC 0025Z 251DEG 30KT 4172 9131 

$$

IAC031-250045-
/O.CON.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-
725 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST
CENTRAL CEDAR COUNTY...
    
At 725 PM CDT, a severe thunderstorm capable of producing a tornado
was located near West Branch, moving east at 35 mph.

HAZARD...Tornado and quarter 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 tornadic thunderstorm will remain over mainly rural areas of
west central Cedar County, including the following locations... Cedar
Valley, Cedar Valley Park and Buchanan.

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4181 9121 4172 9120 4168 9120 4168 9137
      4175 9137
TIME...MOT...LOC 0025Z 251DEG 30KT 4172 9131 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

McClure

998 
WWUS53 KDVN 250026
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
726 PM CDT Fri May 24 2019

IAC031-250045-
/O.CON.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-
726 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST
CENTRAL CEDAR COUNTY...
    
At 726 PM CDT, a confirmed tornado was located near West Branch,
moving east at 30 mph.

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

SOURCE...Law enforcement 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.

Locations impacted include...
West Branch, Buchanan, Cedar Valley and Cedar Valley Park. 

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 or in a vehicle, move to
the closest substantial shelter and protect yourself from flying
debris.

&&

LAT...LON 4181 9121 4172 9120 4168 9120 4168 9137
      4175 9137
TIME...MOT...LOC 0026Z 250DEG 26KT 4172 9130 

TORNADO...OBSERVED
HAIL...1.25IN

$$

McClure

376 
WWUS53 KDVN 250036
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
736 PM CDT Fri May 24 2019

IAC031-250045-
/O.CON.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-
736 PM CDT Fri May 24 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR WEST
CENTRAL CEDAR COUNTY...
    
At 734 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Tipton, moving east at 30 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation. At 732 PM law enforcement 
         reported a funnel cloud 2 miles north on Highway 259. 

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.

Locations impacted include...
West Branch, Buchanan, Cedar Valley and Cedar Valley Park. 

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 or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4181 9121 4172 9120 4168 9120 4168 9137
      4175 9137
TIME...MOT...LOC 0034Z 251DEG 26KT 4174 9123 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

McClure

616 
WWUS53 KDVN 250041
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
741 PM CDT Fri May 24 2019

IAC031-250051-
/O.EXP.KDVN.TO.W.0009.000000T0000Z-190525T0045Z/
Cedar IA-
741 PM CDT Fri May 24 2019

...THE TORNADO WARNING FOR WEST CENTRAL CEDAR COUNTY WILL EXPIRE AT
745 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Tornado Watch remains in effect until midnight CDT for east central
Iowa.

LAT...LON 4181 9121 4172 9120 4168 9120 4168 9137
      4175 9137
TIME...MOT...LOC 0041Z 250DEG 26KT 4175 9118 

$$

McClure

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 12:58 AM CDT	Special Weather Statement	DVN	Linn	32 min
May 24, 3:46 AM CDT	Flash Flood Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	23 hr
May 24, 4:03 AM CDT	Special Weather Statement	DVN	Scott	27 min
May 24, 7:41 AM CDT	Special Weather Statement	DVN	Benton, Cedar, Des Moines, Henry, Iowa, Jefferson and 9 more	64 min
May 24, 7:46 AM CDT	Special Weather Statement	DVN	Benton, Cedar, Des Moines, Henry, Iowa, Jefferson and 9 more	29 min
May 24, 8:07 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Linn	38 min
May 24, 8:41 AM CDT	Special Weather Statement	DVN	Cedar, Des Moines, Henry, Johnson, Linn, Louisa and 2 more	49 min
May 24, 8:57 AM CDT	Special Weather Statement	DVN	Johnson, Linn	33 min
May 24, 9:14 AM CDT	Flash Flood Warning	DVN	Delaware	6 hr
May 24, 9:14 AM CDT	Special Weather Statement	DVN	Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 6 more	46 min
May 24, 9:36 AM CDT	Special Weather Statement	DVN	Lee	39 min
May 24, 9:37 AM CDT	Special Weather Statement	DVN	Lee	38 min
May 24, 10:05 AM CDT	River Flood Warning	DVN	Linn	5 days
May 24, 10:05 AM CDT	River Flood Warning	DVN	Cedar, Johnson, Linn	6 days
May 24, 10:05 AM CDT	River Flood Warning	DVN	Cedar, Johnson	6 days
May 24, 10:05 AM CDT	River Flood Warning	DVN	Johnson, Louisa, Washington	9 days
May 24, 10:05 AM CDT	River Flood Warning	DVN	Louisa	5 days
May 24, 10:12 AM CDT	Special Weather Statement	DVN	Lee	33 min
May 24, 10:13 AM CDT	Special Weather Statement	DVN	Lee	32 min
May 24, 10:45 AM CDT	River Flood Warning	DVN	Lee	41 days
May 24, 10:45 AM CDT	Severe Thunderstorm Warning	DVN	Lee	30 min
May 24, 2:42 PM CDT	River Flood Warning	DVN	Delaware, Jones	29 hr
May 24, 2:42 PM CDT	River Flood Warning	DVN	Cedar, Jones, Linn	5 days
May 24, 6:18 PM CDT	Tornado Warning	DVN	Iowa, Johnson, Keokuk, Washington	42 min

Nearby

Tornado Warnings in Iowa, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.