Alert archive / Iowa / Tornado Warnings in 2014

Tornado Warning 16, NWS Quad Cities, IA

June 16, 2014Benton County, Linn County, Iowa

NWS Quad Cities, IA issued this tornado warning at Jun 16, 2014, 10:02 PM CDT for Benton County, Linn County, Iowa. It was in force for 28 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 16, 2014, 10:02 PM CDT (03:02 UTC)
Expired: Jun 16, 2014, 10:30 PM CDT
In force: 28 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Benton County, IA, Linn County, IA

The radar

The Quad Cities radar (KDVN), 110 km from the middle of the area, began a volume at 03:05 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 16, 9:01 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.0 hours before the alert went out and 115 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: 2074 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1135 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

394 
WFUS53 KDVN 170302
TORDVN
IAC011-113-170330-
/O.NEW.KDVN.TO.W.0016.140617T0302Z-140617T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1002 PM CDT MON JUN 16 2014

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BENTON COUNTY IN EAST CENTRAL IOWA...
  CENTRAL LINN COUNTY IN EAST CENTRAL IOWA...

* UNTIL 1030 PM CDT

* AT 1000 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR SHELLSBURG...AND MOVING EAST AT 35 MPH.

  HAZARD...TORNADO.

  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...
  TODDVILLE AND ROBINS AROUND 1015 PM CDT.
  ALBURNETT AROUND 1020 PM CDT.
  CENTRAL CITY AROUND 1025 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE MIDWAY AND LAFAYETTE.

THIS INCLUDES INTERSTATE 380 BETWEEN MILE MARKERS 28 AND 40.

OTHER LOCATIONS AFFECTED INCLUDE PLEASANT CREEK STATE RECREATION
AREA...LINN COUNTY FAIRGROUNDS...PINICON RIDGE COUNTY PARK...
WAKPICADA COUNTY PARK...WILD CAT BLUFF RECREATION AREA AND BENTON
CITY-FRY ACCESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4226 9149 4205 9152 4209 9195 4219 9192
TIME...MOT...LOC 0302Z 274DEG 30KT 4214 9184

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

WOLF

2 follow-up statements

173 
WWUS53 KDVN 170316
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1016 PM CDT MON JUN 16 2014

IAC011-170326-
/O.CAN.KDVN.TO.W.0016.000000T0000Z-140617T0330Z/
BENTON IA-
1016 PM CDT MON JUN 16 2014

...THE TORNADO WARNING FOR EAST CENTRAL BENTON COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4217 9174 4226 9149 4205 9152 4207 9178
TIME...MOT...LOC 0316Z 276DEG 29KT 4211 9171

$$

IAC113-170330-
/O.CON.KDVN.TO.W.0016.000000T0000Z-140617T0330Z/
LINN IA-
1016 PM CDT MON JUN 16 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL LINN COUNTY UNTIL
1030 PM CDT...

AT 1014 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR TODDVILLE...AND MOVING EAST AT 35 MPH.

HAZARD...TORNADO.

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...
  ALBURNETT AROUND 1025 PM CDT.

THIS INCLUDES INTERSTATE 380 BETWEEN MILE MARKERS 28 AND 33.

OTHER LOCATIONS AFFECTED INCLUDE LINN COUNTY FAIRGROUNDS...PINICON
RIDGE COUNTY PARK AND WAKPICADA COUNTY PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4217 9174 4226 9149 4205 9152 4207 9178
TIME...MOT...LOC 0316Z 276DEG 29KT 4211 9171

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

976 
WWUS53 KDVN 170328
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1028 PM CDT MON JUN 16 2014

IAC113-170338-
/O.EXP.KDVN.TO.W.0016.000000T0000Z-140617T0330Z/
LINN IA-
1028 PM CDT MON JUN 16 2014

...THE TORNADO WARNING FOR CENTRAL LINN COUNTY WILL EXPIRE AT 1030 PM
CDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
FOR THE AREA.  HOWEVER...GUSTY WINDS AROUND 70 MPH ARE STILL 
EXPECTED WITH THIS THUNDERSTORM.

LAT...LON 4217 9174 4226 9149 4205 9152 4207 9178
TIME...MOT...LOC 0328Z 276DEG 29KT 4210 9158

$$

WOLF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 8:21 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Delaware	54 min
Jun 16, 8:35 PM CDT	Tornado Warning	DVN	Buchanan	40 min
Jun 16, 9:14 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Delaware, Linn	61 min
Jun 16, 9:32 PM CDT	Tornado Warning Tornado observed	DVN	Delaware	28 min
Jun 16, 9:42 PM CDT	Severe Thunderstorm Warning	DVN	Delaware, Dubuque	63 min
Jun 16, 9:47 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Linn	43 min
Jun 16, 10:13 PM CDT	Tornado Warning	DVN	Benton, Linn	32 min
Jun 16, 10:27 PM CDT	Severe Thunderstorm Warning	DVN	Cedar, Jones, Linn	63 min
Jun 17, 2:18 AM CDT	Special Weather Statement	DVN	Benton, Buchanan, Delaware, Dubuque, Iowa, Johnson and 4 more	59 min
Jun 17, 2:33 AM CDT	Severe Thunderstorm Warning	DVN	Iowa, Keokuk, Washington	27 min
Jun 17, 3:02 AM CDT	Special Weather Statement	DVN	Cedar, Clinton, Jackson, Johnson, Jones, Louisa and 3 more	58 min
Jun 17, 3:23 AM CDT	Special Weather Statement	DVN	Cedar, Clinton, Henry, Jackson, Jones, Louisa and 2 more	52 min
Jun 17, 3:28 AM CDT	Severe Thunderstorm Warning	DVN	Cedar, Clinton, Jackson, Jones, Muscatine, Scott	32 min
Jun 17, 3:36 AM CDT	Tornado Warning	DVN	Scott	24 min
Jun 17, 4:02 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	43 min
Jun 17, 3:00 PM CDT	Flash Flood Watch	DVN	Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more	21 hr

Nearby

Tornado Warnings in Iowa, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.