Alert archive / Illinois / Tornado Warnings in 2015

Tornado Warning 17, NWS Quad Cities, IA

June 22, 2015Henry County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jun 22, 2015, 8:07 PM CDT for Henry County, Illinois. It was in force for 53 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 22, 2015, 8:07 PM CDT (01:07 UTC)
Expired: Jun 22, 2015, 9:00 PM CDT
In force: 53 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.25 in

County Henry County, IL

The radar

The Quad Cities radar (KDVN), 60 km from the middle of the area, began a volume at 01:09 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 22, 3:56 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.1 hours before the alert went out and 56 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: 1958 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 925 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 401 m²/s²
0-3 km storm-relative helicity: 441 m²/s²
Significant tornado parameter: 5.7
Supercell composite: 17.5

Open this sounding in Storm Lab

The text

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

560 
WFUS53 KDVN 230107
TORDVN
ILC073-230200-
/O.NEW.KDVN.TO.W.0017.150623T0107Z-150623T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
807 PM CDT MON JUN 22 2015

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

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

* UNTIL 900 PM CDT
    
* AT 806 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER LYNN CENTER...OR 9 MILES WEST OF
  CAMBRIDGE...MOVING EAST AT 25 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. 

* THIS DANGEROUS STORM WILL BE NEAR...
  ANDOVER AROUND 815 PM CDT.
  CAMBRIDGE AROUND 830 PM CDT.
  GALVA AROUND 850 PM CDT.
  KEWANEE AROUND 900 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BISHOP
HILL...KEWANEE MUNICIPAL AIRPORT...OPHIEM...JOHNSON SAUK TRAIL...
GERMAN CORNER AND ULAH.

THIS INCLUDES INTERSTATE 74 IN ILLINOIS BETWEEN MILE MARKERS 21 AND
29.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4115 8987 4115 8996 4124 9042 4134 9042
      4137 8986
TIME...MOT...LOC 0106Z 278DEG 23KT 4128 9038 

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

$$

05/87

6 follow-up statements

398 
WWUS53 KDVN 230114
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
814 PM CDT MON JUN 22 2015

ILC073-230200-
/O.CON.KDVN.TO.W.0017.000000T0000Z-150623T0200Z/
HENRY IL-
814 PM CDT MON JUN 22 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
HENRY COUNTY...
    
AT 814 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER ANDOVER...OR NEAR CAMBRIDGE...MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND QUARTER 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  CAMBRIDGE AROUND 830 PM CDT.
  GALVA AROUND 850 PM CDT.
  KEWANEE AROUND 900 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BISHOP
HILL...KEWANEE MUNICIPAL AIRPORT...OPHIEM...JOHNSON SAUK TRAIL...
GERMAN CORNER AND ULAH.

THIS INCLUDES INTERSTATE 74 IN ILLINOIS BETWEEN MILE MARKERS 21 AND
29.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4115 8987 4115 8996 4124 9042 4134 9042
      4137 8986
TIME...MOT...LOC 0114Z 278DEG 23KT 4127 9031 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

05/87

372 
WWUS53 KDVN 230122
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
822 PM CDT MON JUN 22 2015

ILC073-230200-
/O.CON.KDVN.TO.W.0017.000000T0000Z-150623T0200Z/
HENRY IL-
822 PM CDT MON JUN 22 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
HENRY COUNTY...
    
AT 821 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ANDOVER...OR NEAR CAMBRIDGE...MOVING EAST AT 25 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  CAMBRIDGE AROUND 825 PM CDT.
  GALVA AROUND 845 PM CDT.
  KEWANEE AROUND 900 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BISHOP
HILL...KEWANEE MUNICIPAL AIRPORT...JOHNSON SAUK TRAIL...OSCO...GERMAN
CORNER AND ULAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4115 8987 4115 8996 4122 9032 4135 9029
      4137 8986
TIME...MOT...LOC 0121Z 278DEG 23KT 4126 9024 

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

$$

05/87

613 
WWUS53 KDVN 230130
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
830 PM CDT MON JUN 22 2015

ILC073-230200-
/O.CON.KDVN.TO.W.0017.000000T0000Z-150623T0200Z/
HENRY IL-
830 PM CDT MON JUN 22 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
HENRY COUNTY...
    
AT 829 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ULAH...MOVING EAST AT 30 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  GALVA AROUND 840 PM CDT.
  KEWANEE AROUND 850 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BISHOP
HILL...KEWANEE MUNICIPAL AIRPORT...JOHNSON SAUK TRAIL...GERMAN CORNER
AND ULAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4115 8987 4115 8996 4121 9027 4135 9022
      4137 8986
TIME...MOT...LOC 0129Z 276DEG 26KT 4125 9014 

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

$$

05/87

584 
WWUS53 KDVN 230141
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
841 PM CDT MON JUN 22 2015

ILC073-230200-
/O.CON.KDVN.TO.W.0017.000000T0000Z-150623T0200Z/
HENRY IL-
841 PM CDT MON JUN 22 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
HENRY COUNTY...
    
AT 840 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER GALVA...OR NEAR KEWANEE...MOVING EAST AT 40 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  KEWANEE AROUND 845 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BISHOP
HILL...KEWANEE MUNICIPAL AIRPORT...GERMAN CORNER AND ULAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4115 8987 4115 8996 4119 9018 4133 9015
      4132 8986
TIME...MOT...LOC 0140Z 284DEG 35KT 4121 9003 

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

$$

05/87

569 
WWUS53 KDVN 230147
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
847 PM CDT MON JUN 22 2015

ILC073-230200-
/O.CON.KDVN.TO.W.0017.000000T0000Z-150623T0200Z/
HENRY IL-
847 PM CDT MON JUN 22 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
HENRY COUNTY...
    
AT 847 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED NEAR GALVA...OR NEAR KEWANEE...MOVING EAST SOUTHEAST AT 
25 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. 

THIS DANGEROUS STORM WILL BE NEAR...
  KEWANEE AROUND 855 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
KEWANEE MUNICIPAL AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4115 8987 4115 8996 4117 9006 4127 9000
      4127 8986
TIME...MOT...LOC 0147Z 278DEG 23KT 4121 8999 

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

$$

05/87

544 
WWUS53 KDVN 230157
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
857 PM CDT MON JUN 22 2015

ILC073-230206-
/O.EXP.KDVN.TO.W.0017.000000T0000Z-150623T0200Z/
HENRY IL-
857 PM CDT MON JUN 22 2015

...THE TORNADO WARNING FOR HENRY COUNTY WILL EXPIRE AT
900 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING WILL BE MOVING OUT OF THE AREA 
SHORTLY. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHWESTERN
ILLINOIS.

LAT...LON 4115 8987 4115 8996 4117 9006 4127 9000
      4127 8986
TIME...MOT...LOC 0153Z 278DEG 23KT 4121 8999 

$$

05/87

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 7:15 PM CDT	Flash Flood Warning	DVN	Whiteside	4 hr
Jun 22, 7:16 PM CDT	Tornado Warning	DVN	Whiteside	14 min
Jun 22, 7:19 PM CDT	Tornado Warning	DVN	Mercer, Rock Island	15 min
Jun 22, 7:42 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	33 min
Jun 22, 8:15 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	30 min
Jun 22, 8:43 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	14 min
Jun 23, 2:00 AM CDT	River Flood Warning	DVN	Whiteside	71 hr
Jun 23, 3:39 PM CDT	Flash Flood Watch	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	42 hr

Nearby

Tornado Warnings in Illinois, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.