Alert archive / Illinois / Tornado Warnings in 2013

Tornado Warning 13, NWS Quad Cities, IA

June 12, 2013Carroll County, Jo Daviess County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jun 12, 2013, 6:46 PM CDT for Carroll County, Jo Daviess County, Illinois. It was in force for 29 min. 5 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 12, 2013, 6:46 PM CDT (23:46 UTC)
Expired
Jun 12, 2013, 7:15 PM CDT
In force
29 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated

Counties Carroll County, IL, Jo Daviess County, IL

The radar

The Quad Cities radar (KDVN), 77 km from the middle of the area, began a volume at 23:49 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 12, 6:50 PM CDTTORNADO 03 S Hanover, ILEF0 WITH ESTIMATED WIND SPEED OF 65 MPH. MAX WIDTH 20 YARDS AND PATH LENGTH APPROX 1/2 MILE. BRIEF TOUCHDOWN WITH NO SIGNIFICANT DAMAGE.
Jun 12, 6:51 PM CDTTORNADO2 S Hanover, ILMOVING SOUTHEAST.
Jun 12, 6:51 PM CDTTORNADOHanover, ILMOVING SOUTHEAST.
Jun 12, 6:53 PM CDTTORNADO 26 N Savanna, IL*** 1 INJ *** EF2 WITH MAX WINDS OF 135 MPH. THE TRACK BEGAN 6 MILES NORTH OF SAVANNA AND ENDED 4 MILES WEST OF MOUNT CARROLL IL. DURATION FROM 653 TO 703 PM. MAX WIDTH 1/2 MILE. PATH LENGTH WAS APPROX 6 MILES.THE TORNADO WAS WELL DEFINED WITH SIGNIFICANT TREE
Jun 12, 6:55 PM CDTTORNADO2 S Hanover, ILNEAR HIGHWAY 84

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 12, 1:49 PM CDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.8 hours before the alert went out and 73 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 12:00Z on 2013-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1812 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 12:00Z on 2013-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
1812 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1138 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

989 
WFUS53 KDVN 122346
TORDVN
ILC015-085-130015-
/O.NEW.KDVN.TO.W.0013.130612T2346Z-130613T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
646 PM CDT WED JUN 12 2013

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CARROLL COUNTY IN NORTHWEST ILLINOIS...
  SOUTHERN JO DAVIESS COUNTY IN NORTHWEST ILLINOIS...

* UNTIL 715 PM CDT

* AT 641 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR HANOVER...AND MOVING SOUTHEAST AT 30 MPH.

  HAZARD...DEVELOPING TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  MOUNT CARROLL...MASSBACH...MISSISSIPPI PALISADES...CENTER HILL AND
  WACKER.

OTHER LOCATIONS AFFECTED INCLUDE MISSISSIPPI PALISADES STATE PARK AND
CAMP FAR HORIZONS.

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 8985 4205 9004 4223 9031 4232 9023
TIME...MOT...LOC 2346Z 298DEG 26KT 4226 9022

TORNADO...RADAR INDICATED

$$

SHEETS
2 follow-up statements
296 
WWUS53 KDVN 122354
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
654 PM CDT WED JUN 12 2013

ILC015-085-130015-
/O.CON.KDVN.TO.W.0013.000000T0000Z-130613T0015Z/
JO DAVIESS IL-CARROLL IL-
654 PM CDT WED JUN 12 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN CARROLL AND 
SOUTHERN JO DAVIESS COUNTIES UNTIL 715 PM CDT...

AT 649 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR MASSBACH...AND
MOVING SOUTHEAST AT 30 MPH.

HAZARD...DAMAGING TORNADO AND SMALL HAIL.

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

THIS TORNADIC STORM WILL BE NEAR...
  MOUNT CARROLL AROUND 715 PM CDT.

OTHER LOCATIONS AFFECTED INCLUDE MISSISSIPPI PALISADES STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...PARK YOUR VEHICLE AND STAY PUT.

&&

LAT...LON 4220 9024 4229 9017 4217 8985 4205 9004
TIME...MOT...LOC 2353Z 298DEG 26KT 4224 9016

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

$$

SHEETS
647 
WWUS53 KDVN 130001
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
701 PM CDT WED JUN 12 2013

ILC085-130010-
/O.CAN.KDVN.TO.W.0013.000000T0000Z-130613T0015Z/
JO DAVIESS IL-
701 PM CDT WED JUN 12 2013

...THE TORNADO WARNING FOR SOUTHEASTERN JO DAVIESS COUNTY IS
CANCELLED...

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

LAT...LON 4219 9023 4220 9000 4217 8985 4205 9004
TIME...MOT...LOC 0000Z 306DEG 37KT 4216 9013

$$

ILC015-130015-
/O.CON.KDVN.TO.W.0013.000000T0000Z-130613T0015Z/
CARROLL IL-
701 PM CDT WED JUN 12 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN CARROLL
COUNTY UNTIL 715 PM CDT...

AT 658 PM CDT...A CONFIRMED TORNADO WAS LOCATED 5 MILES SOUTH OF
MASSBACH...AND MOVING SOUTHEAST AT 45 MPH.

HAZARD...DAMAGING TORNADO.

SOURCE...RADAR CONFIRMED TORNADO AND TRAINED SPOTTERS REPORTED
         A TORNADO ON THE GROUND.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

THE TORNADO WILL BE NEAR...
  MOUNT CARROLL AROUND 715 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE CENTER HILL AND WACKER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...PARK YOUR VEHICLE AND STAY PUT.

&&

LAT...LON 4219 9023 4220 9000 4217 8985 4205 9004
TIME...MOT...LOC 0000Z 306DEG 37KT 4216 9013

TORNADO...OBSERVED
HAIL...0.00IN

$$

SHEETS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:52 AM CDTSpecial Weather StatementDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 6 more2 hr
Jun 12, 12:56 PM CDTSpecial Weather StatementDVNBureau, Carroll, Henderson, Henry, Jo Daviess, McDonough and 6 more109 min
Jun 12, 4:51 PM CDTSevere Thunderstorm WarningDVNJo Daviess39 min
Jun 12, 5:24 PM CDTTornado WarningDVNJo Daviess36 min
Jun 12, 6:02 PM CDTTornado WarningDVNJo Daviess28 min
Jun 12, 6:15 PM CDTTornado WarningDVNJo Daviess30 min

Nearby

Tornado Warnings in Illinois, 2013Every tornado warning in 2013Tornadoes in 2013

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.