Alert archive / Illinois / Tornado Warnings in 2015

Tornado Warning 21, NWS Quad Cities, IA

July 16, 2015Warren County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jul 16, 2015, 7:05 PM CDT for Warren County, Illinois. It was in force for 40 min. 4 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: Jul 16, 2015, 7:05 PM CDT (00:05 UTC)
Expired: Jul 16, 2015, 7:45 PM CDT
In force: 40 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

County Warren County, IL

The radar

The Quad Cities radar (KDVN), 76 km from the middle of the area, began a volume at 00:08 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
Jul 16, 7:09 PM CDT	TORNADO 2	2 E Kirkwood, IL	RATING EF-2. ESTIMATED PEAK WIND 120 MPH. PATH LENGTH 1.7 MILES. MAX WIDTH 300 YARDS. START TIME 709 PM CDT. START LOCATION 2 MILES E KIRKWOOD IL. END TIME 713 PM CDT. END LOCATION 2 MILES SW MONMOUTH IL.
Jul 16, 7:10 PM CDT	TSTM WND DMG	6 W Monmouth, IL	TIME ESTIMATED - AT SHAUMANS CORNER ABOUT 6.5 MILES WEST OF MONMOUTH ON US 34 THERE WAS A GRAIN BIN BLOWN DOWN ALONG WITH A CATTLE BARN. POWER LINES WERE BLOWN DOWN AS WELL.
Jul 16, 7:30 PM CDT	TORNADO 2	Cameron, IL	EF-2. PEAK WIND 125 MPH. PATH LENGTH 8.2 MILES. MAX WIDTH 700 YARDS. START TIME 713 PM CDT. START LOCATION 1 MILE SE MONMOUTH IL. END TIME 734 PM CDT. END LOCATION 2.2 MILES E CAMERON IL.
Jul 16, 7:30 PM CDT	TORNADO	Cameron, IL

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
Jul 16, 4:55 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.1 hours before the alert went out and 78 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: 883 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 796 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

114 
WFUS53 KDVN 170005
TORDVN
ILC187-170045-
/O.NEW.KDVN.TO.W.0021.150717T0005Z-150717T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
705 PM CDT THU JUL 16 2015

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  WARREN COUNTY IN WEST CENTRAL ILLINOIS...

* UNTIL 745 PM CDT
    
* AT 705 PM CDT...A TORNADO PRODUCING STORM WAS LOCATED OVER
  MONMOUTH...MOVING EAST AT 30 MPH.

  HAZARD...DAMAGING TORNADO. 

  SOURCE...RADAR CONFIRMED TORNADO AND LAW ENFORCEMENT REPORTED.

  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
  NORTHERN WARREN COUNTY...INCLUDING THE FOLLOWING LOCATIONS...
  COLDBROOK...GERLAW...CAMERON...MONMOUTH MUNICIPAL AIRPORT AND
  ORMONDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4084 9075 4092 9077 4107 9050 4106 9044
      4082 9044
TIME...MOT...LOC 0005Z 259DEG 25KT 4090 9065 

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

$$

GIBBS

5 follow-up statements

452 
WWUS53 KDVN 170010
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
710 PM CDT THU JUL 16 2015

ILC187-170045-
/O.CON.KDVN.TO.W.0021.000000T0000Z-150717T0045Z/
WARREN IL-
710 PM CDT THU JUL 16 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHERN
WARREN COUNTY...
        
AT 709 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED OVER MONMOUTH...MOVING EAST AT 20 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DAMAGING TORNADO. 

SOURCE...RADAR CONFIRMED TORNADO. 

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS MAY 
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES 
         WILL BE DESTROYED. CONSIDERABLE DAMAGE TO 
         HOMES...BUSINESSES AND VEHICLES IS LIKELY AND COMPLETE 
         DESTRUCTION IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
MONMOUTH...KIRKWOOD...COLDBROOK...MONMOUTH MUNICIPAL AIRPORT...
ORMONDE...GERLAW AND CAMERON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...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.

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

A LARGE AND EXTREMELY DANGEROUS TORNADO IS ON THE GROUND. TAKE
IMMEDIATE TORNADO PRECAUTIONS. THIS IS AN EMERGENCY SITUATION.

&&

LAT...LON 4084 9075 4092 9077 4107 9050 4106 9044
      4082 9044
TIME...MOT...LOC 0009Z 256DEG 17KT 4090 9065 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...<.75IN

$$

GIBBS

830 
WWUS53 KDVN 170018
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
718 PM CDT THU JUL 16 2015

ILC187-170045-
/O.CON.KDVN.TO.W.0021.000000T0000Z-150717T0045Z/
WARREN IL-
718 PM CDT THU JUL 16 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHERN
WARREN COUNTY...
    
AT 717 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER MONMOUTH...MOVING EAST AT 20 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. 

LOCATIONS IMPACTED INCLUDE...
MONMOUTH...KIRKWOOD...COLDBROOK...MONMOUTH MUNICIPAL AIRPORT...
ORMONDE...GERLAW AND CAMERON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! THIS STORM HAS A HISTORY OF DAMAGING TORNADOES! 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.

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

&&

LAT...LON 4084 9075 4092 9077 4107 9050 4106 9044
      4082 9044
TIME...MOT...LOC 0017Z 260DEG 16KT 4089 9061 

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

$$

GIBBS

386 
WWUS53 KDVN 170028
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
728 PM CDT THU JUL 16 2015

ILC187-170045-
/O.CON.KDVN.TO.W.0021.000000T0000Z-150717T0045Z/
WARREN IL-
728 PM CDT THU JUL 16 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN WARREN COUNTY...
    
AT 727 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MONMOUTH...MOVING EAST AT 20 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.  

LOCATIONS IMPACTED INCLUDE...
COLDBROOK AND CAMERON. 

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.

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

&&

LAT...LON 4085 9060 4094 9060 4100 9044 4082 9044
      4082 9049
TIME...MOT...LOC 0027Z 265DEG 17KT 4089 9053 

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

$$

GIBBS

792 
WWUS53 KDVN 170031
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
731 PM CDT THU JUL 16 2015

ILC187-170045-
/O.CON.KDVN.TO.W.0021.000000T0000Z-150717T0045Z/
WARREN IL-
731 PM CDT THU JUL 16 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR EAST
CENTRAL WARREN COUNTY...
        
AT 731 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR GALESBURG...
MOVING EAST AT 30 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...RADAR CONFIRMED TORNADO. 

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. 

LOCATIONS IMPACTED INCLUDE...
COLDBROOK AND CAMERON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4087 9053 4094 9054 4100 9044 4082 9044
      4084 9048
TIME...MOT...LOC 0031Z 259DEG 26KT 4090 9049 

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

$$

GIBBS

946 
WWUS53 KDVN 170036
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
736 PM CDT THU JUL 16 2015

ILC187-170045-
/O.CON.KDVN.TO.W.0021.000000T0000Z-150717T0045Z/
WARREN IL-
736 PM CDT THU JUL 16 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR EAST
CENTRAL WARREN COUNTY...
        
AT 736 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR GALESBURG...
MOVING EAST AT 15 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...RADAR CONFIRMED TORNADO. 

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. 

LOCATIONS IMPACTED INCLUDE...
COLDBROOK AND CAMERON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4087 9053 4094 9053 4100 9044 4082 9044
      4084 9048
TIME...MOT...LOC 0036Z 258DEG 15KT 4090 9046 

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

$$

GIBBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 7:42 PM CDT	Severe Thunderstorm Warning	DVN	McDonough, Warren	26 min
Jul 16, 7:44 PM CDT	Tornado Warning	DVN	Warren	20 min
Jul 16, 7:49 PM CDT	Flash Flood Warning	DVN	Warren	4 hr
Jul 16, 8:05 PM CDT	Flash Flood Warning	DVN	Henry, Rock Island, Whiteside	3 hr
Jul 16, 8:06 PM CDT	Special Weather Statement	DVN	McDonough	24 min
Jul 17, 1:52 AM CDT	Special Weather Statement	DVN	Henderson, Mercer, Warren	38 min
Jul 17, 1:53 AM CDT	Special Weather Statement	DVN	Henderson, Mercer, Warren	37 min
Jul 17, 3:16 AM CDT	Heat Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.