Alert archive / Illinois / Tornado Warnings in 2016

Tornado Warning 18, NWS Quad Cities, IA

June 22, 2016Henry County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jun 22, 2016, 7:42 PM CDT for Henry County, Illinois. It was in force for 21 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: Jun 22, 2016, 7:42 PM CDT (00:42 UTC)
Expired: Jun 22, 2016, 8:03 PM CDT
In force: 21 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Henry County, IL

The radar

The Quad Cities radar (KDVN), 57 km from the middle of the area, began a volume at 00:41 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
Jun 22, 7:53 PM CDT	FUNNEL CLOUD	Hooppole, IL	2 FUNNELS EAST OF HOOPLE APPEAR HEADED TOWARD THOMAS

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
Jun 22, 6:11 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.7 hours before the alert went out and 50 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: 2855 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 316 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 6.5
Supercell composite: 30.6

Open this sounding in Storm Lab

The text

As transmitted.

614 
WFUS53 KDVN 230042
TORDVN
ILC073-230115-
/O.NEW.KDVN.TO.W.0018.160623T0042Z-160623T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
742 PM CDT WED JUN 22 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN HENRY COUNTY IN NORTHWESTERN ILLINOIS...

* UNTIL 815 PM CDT
    
* AT 742 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER HOOPPOLE...OR 18 MILES SOUTHWEST OF ROCK
  FALLS...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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHEASTERN HENRY COUNTY.

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 4148 8986 4153 8999 4158 8996 4158 8986
TIME...MOT...LOC 0042Z 291DEG 29KT 4155 8987 

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

$$

RP KINNEY

2 follow-up statements

152 
WWUS53 KDVN 230055 RRA
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
755 PM CDT WED JUN 22 2016

ILC073-230115-
/O.CON.KDVN.TO.W.0018.000000T0000Z-160623T0115Z/
HENRY IL-
755 PM CDT WED JUN 22 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
NORTHEASTERN HENRY COUNTY...
    
AT 754 PM CDT...THE PUBLIC REPORTED TWO FUNNEL CLOUDS EAST OF
HOOPPOLE...OR 19 MILES NORTH OF KEWANEE...MOVING SOUTHEAST AT 30 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...PUBLIC REPORTED TWO FUNNEL CLOUDS. 

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 POTENTIALLY TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL
AREAS OF NORTHEASTERN HENRY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...FUNNEL CLOUDS HAVE BEEN SITED. 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 4151 8994 4158 8991 4158 8986 4148 8986
TIME...MOT...LOC 0054Z 294DEG 26KT 4150 8982 

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

$$

RP KINNEY

489 
WWUS53 KDVN 230103
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
803 PM CDT WED JUN 22 2016

ILC073-230113-
/O.CAN.KDVN.TO.W.0018.000000T0000Z-160623T0115Z/
HENRY IL-
803 PM CDT WED JUN 22 2016

...THE TORNADO WARNING FOR NORTHEASTERN HENRY COUNTY IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED. THE PUBLIC REPORTED TWO
FUNNEL CLOUDS EAST OF HOOPPOLE AROUND 752 PM...BUT THE THREAT FOR
NORTHEAST HENRY COUNTY HAS ENDED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR NORTH CENTRAL
AND NORTHWESTERN ILLINOIS.

LAT...LON 4151 8994 4158 8991 4158 8986 4148 8986
TIME...MOT...LOC 0055Z 291DEG 29KT 4147 8973 

$$

RP KINNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 7:30 PM CDT	Severe Thunderstorm Warning	DVN	Henry	31 min
Jun 22, 7:33 PM CDT	Tornado Warning	DVN	Bureau	27 min
Jun 22, 7:38 PM CDT	Tornado Warning	DVN	Bureau, Whiteside	52 min
Jun 22, 8:19 PM CDT	Tornado Warning	DVN	Bureau, Putnam	56 min
Jun 23, 5:11 AM CDT	Dense Fog Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Putnam, Stephenson and 1 more	4 hr

Nearby

Tornado Warnings in Illinois, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.