Alert archive / Iowa / Tornado Warnings in 2017

Tornado Warning 43, NWS Quad Cities, IA

June 28, 2017Clinton County, Jackson County, Jones County, Iowa

NWS Quad Cities, IA issued this tornado warning at Jun 28, 2017, 7:47 PM CDT for Clinton County, Jackson County, Jones County, Iowa. It was in force for 43 min. 2 reports 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
Jun 28, 2017, 7:47 PM CDT (00:47 UTC)
Expired
Jun 28, 2017, 8:30 PM CDT
In force
43 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Clinton County, IA, Jackson County, IA, Jones County, IA

The radar

The Quad Cities radar (KDVN), 50 km from the middle of the area, began a volume at 00:47 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

TimeReportWhereRemark
Jun 28, 8:00 PM CDTTSTM WND DMGOxford Junction, IATENT AND INSULATION BLOWN INTO TREES AND POWERLINE DOWN. TIME ESTIMATED. SOUTHWEST SIDE OF TOWN.
Jun 28, 8:00 PM CDTTORNADOOxford Junction, IAAPPROXIMATELY A HALF MILE SSW OF OXFORD JUNCTION.

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.

IssuedProductOfficeLasted
Jun 28, 2:53 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.8 hours before the alert went out and 53 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 2017-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1521 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 2017-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.19395878Sfc1 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
1521 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1099 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
2.7
Supercell composite
15.1

Open this sounding in Storm Lab

The text

As transmitted.

871 
WFUS53 KDVN 290047
TORDVN
IAC045-097-105-290130-
/O.NEW.KDVN.TO.W.0043.170629T0047Z-170629T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
747 PM CDT WED JUN 28 2017

The National Weather Service in Quad Cities  has issued a

* Tornado Warning for...
  Southwestern Jackson County in east central Iowa...
  Southeastern Jones County in east central Iowa...
  Northwestern Clinton County in east central Iowa...

* Until 830 PM CDT.

* At 747 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Olin, or near Stanwood, moving east at 35 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. 

* Locations impacted include...
  Maquoketa, Olin, Delmar, Wyoming, Oxford Junction, Lost Nation,
  Onslow, Monmouth, Nashville, Hurstville, Canton, Baldwin, Emeline,
  Oxford Mills, Eden Valley Refuge, Maquoketa Caves State Park, Hale,
  Crab Town, Maquoketa Municipal Airport and Jackson County
  Fairgrounds.

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 4197 9051 4194 9102 4195 9111 4203 9118
      4224 9078
TIME...MOT...LOC 0047Z 249DEG 30KT 4197 9108 

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

$$

RP Kinney
5 follow-up statements
193 
WWUS53 KDVN 290052
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
752 PM CDT WED JUN 28 2017

IAC045-097-105-290130-
/O.CON.KDVN.TO.W.0043.000000T0000Z-170629T0130Z/
Jackson IA-Jones IA-Clinton IA-
752 PM CDT WED JUN 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN JACKSON...SOUTHEASTERN JONES AND NORTHWESTERN CLINTON
COUNTIES...
    
At 751 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 4 miles southeast of Olin, moving east at 35 mph.

HAZARD...Tornado and half dollar size hail. 

SOURCE...Radar indicated rotation. Trained spotters reported a 
         funnel cloud southeast of Olin at 750 pm.

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...
Maquoketa, Olin, Delmar, Wyoming, Oxford Junction, Lost Nation,
Onslow, Monmouth, Nashville, Hurstville, Canton, Baldwin, Emeline,
Oxford Mills, Eden Valley Refuge, Maquoketa Caves State Park, Hale,
Crab Town, Maquoketa Municipal Airport and Jackson County
Fairgrounds.

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 4197 9051 4194 9102 4195 9111 4203 9118
      4224 9078
TIME...MOT...LOC 0051Z 249DEG 32KT 4199 9100 

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

$$

RP Kinney/Uttech
093 
WWUS53 KDVN 290059 CCA
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
759 PM CDT WED JUN 28 2017

IAC045-097-105-290130-
/O.COR.KDVN.TO.W.0043.000000T0000Z-170629T0130Z/
Jackson IA-Jones IA-Clinton IA-
759 PM CDT WED JUN 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN JACKSON...SOUTHEASTERN JONES AND NORTHWESTERN CLINTON
COUNTIES...
    
At 758 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Oxford Junction, or 12 miles northeast of Stanwood,
moving east at 40 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. Trained spotters reported a 
         funnel cloud near Oxford Junction at 757 pm.

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...
Maquoketa, Olin, Delmar, Wyoming, Oxford Junction, Lost Nation,
Onslow, Monmouth, Nashville, Hurstville, Canton, Baldwin, Emeline,
Oxford Mills, Eden Valley Refuge, Maquoketa Caves State Park, Hale,
Crab Town, Maquoketa Municipal Airport and Jackson County
Fairgrounds.

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 4197 9051 4194 9102 4195 9111 4203 9118
      4224 9078
TIME...MOT...LOC 0052Z 252DEG 33KT 4199 9100 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RP Kinney/Uttech
159 
WWUS53 KDVN 290102
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
802 PM CDT WED JUN 28 2017

IAC045-097-105-290130-
/O.CON.KDVN.TO.W.0043.000000T0000Z-170629T0130Z/
Jackson IA-Jones IA-Clinton IA-
802 PM CDT WED JUN 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN JACKSON...SOUTHEASTERN JONES AND NORTHWESTERN CLINTON
COUNTIES...
        
At 802 PM CDT, a confirmed tornado was located near Oxford Junction,
or 12 miles west of Maquoketa, moving east at 35 mph.

HAZARD...Damaging tornado. 

SOURCE...Radar 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...
Maquoketa, Delmar, Wyoming, Oxford Junction, Lost Nation, Monmouth,
Nashville, Hurstville, Canton, Baldwin, Emeline, Oxford Mills, Eden
Valley Refuge, Maquoketa Caves State Park, Hale, Crab Town, Maquoketa
Municipal Airport, Jackson County Fairgrounds, Buckhorn and
Ironhills.

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 4194 9101 4205 9109 4224 9078 4197 9051
TIME...MOT...LOC 0102Z 255DEG 30KT 4200 9089 

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

$$

RP KInney/Uttech
628 
WWUS53 KDVN 290109
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
809 PM CDT WED JUN 28 2017

IAC045-097-105-290130-
/O.CON.KDVN.TO.W.0043.000000T0000Z-170629T0130Z/
Jackson IA-Jones IA-Clinton IA-
809 PM CDT WED JUN 28 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN JACKSON...SOUTHEASTERN JONES AND NORTHWESTERN CLINTON
COUNTIES...
    
At 808 PM CDT, a confirmed tornado was located just northeast 
of Oxford Junction, moving east at 35 mph.

HAZARD...Damaging tornado. 

SOURCE...Weather spotters confirmed tornado near Oxford Junction 
         around 8 pm. 

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...
Maquoketa, Delmar, Wyoming, Oxford Junction, Lost Nation, Monmouth,
Nashville, Hurstville, Baldwin, Emeline, Oxford Mills, Eden Valley
Refuge, Maquoketa Caves State Park, Crab Town, Maquoketa Municipal
Airport, Jackson County Fairgrounds, Buckhorn, Ironhills and Elwood.

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 4195 9098 4206 9100 4224 9078 4197 9051
TIME...MOT...LOC 0108Z 250DEG 31KT 4202 9084 

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

$$

RP Kinney/Uttech
003 
WWUS53 KDVN 290128
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
828 PM CDT WED JUN 28 2017

IAC045-097-105-290136-
/O.EXP.KDVN.TO.W.0043.000000T0000Z-170629T0130Z/
Jackson IA-Jones IA-Clinton IA-
828 PM CDT WED JUN 28 2017

...THE TORNADO WARNING FOR SOUTHWESTERN JACKSON...SOUTHEASTERN JONES
AND NORTHWESTERN CLINTON COUNTIES WILL EXPIRE AT 830 PM CDT...
    
The Tornado Warning that was previously in effect has been reissued 
for parts of Jackson, Carroll, and Jo Daviess counties until 915 pm. 
Please refer to that bulletin for the latest severe weather 
information. A trained spotter reported a tornado near Maquoketa 
around 814 pm.

A tornado watch remains in effect until 1000 PM CDT for east central
Iowa.

Remember, a Tornado Warning still remains in effect for parts of 
Jackson, Carroll, and Jo Daviess counties until 915 pm

LAT...LON 4195 9098 4206 9100 4224 9078 4197 9051
TIME...MOT...LOC 0126Z 252DEG 33KT 4207 9065 

$$

RP Kinney

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 7:02 PM CDTSevere Thunderstorm WarningDVNBenton, Buchanan, Linn43 min
Jun 28, 7:24 PM CDTSevere Thunderstorm WarningDVNDubuque, Jackson51 min
Jun 28, 7:24 PM CDTTornado Warning Tornado observedConsiderable damage threatDVNDubuque, Jackson, Jones51 min
Jun 28, 7:28 PM CDTSevere Thunderstorm WarningDVNCedar, Clinton, Jackson, Jones38 min
Jun 28, 8:01 PM CDTSevere Thunderstorm WarningDVNJones, Linn23 min
Jun 28, 8:24 PM CDTTornado Warning Tornado observedDVNJackson51 min
Jun 28, 9:12 PM CDTSevere Thunderstorm WarningDVNBenton, Linn48 min
Jun 28, 9:18 PM CDTRiver Flood WarningDVNClinton, Scott4 days
Jun 28, 10:03 PM CDTSevere Thunderstorm WarningDVNLee42 min
Jun 29, 4:54 PM CDTSpecial Weather StatementDVNBuchanan36 min

Nearby

Tornado Warnings in Iowa, 2017Every tornado warning in 2017Tornadoes in 2017

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.