Alert archive / Illinois / Tornado Warnings in 2013

Tornado Warning 15, NWS Quad Cities, IA

June 12, 2013Carroll County, Whiteside County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jun 12, 2013, 7:42 PM CDT for Carroll County, Whiteside County, Illinois. It was in force for 33 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 12, 2013, 7:42 PM CDT (00:42 UTC)
Expired
Jun 12, 2013, 8:15 PM CDT
In force
33 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Carroll County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 79 km from the middle of the area, began a volume at 00:44 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.

IssuedProductOfficeLasted
Jun 12, 1:49 PM CDTTornado Watch PDSSPC9 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.7 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 00:00Z on 2013-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1702 joules per kilogram.LCLEL10008507005003002001001 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 2013-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
1702 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1576 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

718 
WFUS53 KDVN 130042
TORDVN
ILC015-195-130115-
/O.NEW.KDVN.TO.W.0015.130613T0042Z-130613T0115Z/

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

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CARROLL COUNTY IN NORTHWEST ILLINOIS...
  NORTHEASTERN WHITESIDE COUNTY IN NORTHWEST ILLINOIS...

* UNTIL 815 PM CDT

* AT 740 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MILLEDGEVILLE...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...
  MILLEDGEVILLE...COLETA...HITT AND PENROSE.

OTHER LOCATIONS AFFECTED INCLUDE CARROLL COUNTY FAIRGROUNDS.

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.

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

&&

LAT...LON 4181 8976 4197 8992 4204 8979 4197 8968
      4193 8968 4193 8963 4193 8962 4183 8963
TIME...MOT...LOC 0042Z 306DEG 27KT 4198 8978

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

$$

SHEETS
2 follow-up statements
368 
WWUS53 KDVN 130053
SVSDVN

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

ILC015-130102-
/O.CAN.KDVN.TO.W.0015.000000T0000Z-130613T0115Z/
CARROLL IL-
753 PM CDT WED JUN 12 2013

...THE TORNADO WARNING FOR SOUTHEASTERN CARROLL COUNTY IS
CANCELLED...

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

LAT...LON 4183 8963 4181 8974 4193 8978 4193 8969
      4193 8967 4193 8962
TIME...MOT...LOC 0052Z 311DEG 27KT 4192 8972

$$

ILC195-130115-
/O.CON.KDVN.TO.W.0015.000000T0000Z-130613T0115Z/
WHITESIDE IL-
753 PM CDT WED JUN 12 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN WHITESIDE
COUNTY UNTIL 815 PM CDT...

AT 748 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED SOUTH OF MILLEDGEVILLE...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...
PENROSE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW!

&&

LAT...LON 4183 8963 4181 8974 4193 8978 4193 8969
      4193 8967 4193 8962
TIME...MOT...LOC 0052Z 311DEG 27KT 4192 8972

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

$$

SHEETS
572 
WWUS53 KDVN 130107
SVSDVN

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

ILC195-130117-
/O.EXP.KDVN.TO.W.0015.000000T0000Z-130613T0115Z/
WHITESIDE IL-
807 PM CDT WED JUN 12 2013

...THE TORNADO WARNING FOR NORTHEASTERN WHITESIDE COUNTY WILL EXPIRE
AT 815 PM CDT...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 9 PM CDT.

LAT...LON 4183 8963 4181 8974 4193 8978 4193 8969
      4193 8967 4193 8962
TIME...MOT...LOC 0107Z 311DEG 27KT 4187 8958

$$

SHEETS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:08 PM CDTTornado Warning Tornado observedDVNCarroll37 min
Jun 12, 8:07 PM CDTTornado WarningDVNJo Daviess23 min
Jun 12, 8:28 PM CDTSevere Thunderstorm WarningDVNCarroll, Jo Daviess47 min
Jun 12, 9:21 PM CDTSpecial Weather StatementDVNHenderson, Henry, Mercer, Warren24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.