Alert archive / Illinois / Tornado Warnings in 2013

Tornado Warning 17, NWS St. Louis, MO

April 17, 2013Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 17, 2013, 7:27 PM CDT for Adams County, Brown County, Pike County, Illinois. It was in force for 33 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: Apr 17, 2013, 7:27 PM CDT (00:27 UTC)
Expired: Apr 17, 2013, 8:00 PM CDT
In force: 33 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Adams County, IL, Brown County, IL, Pike County, IL

The radar

The Lincoln radar (KILX), 127 km from the middle of the area, began a volume at 00:27 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
Apr 17, 7:30 PM CDT	TSTM WND DMG	4 Ne Burton, IL	TREE DAMAGE AT QUINCY AIRPORT.
Apr 17, 7:30 PM CDT	TSTM WND DMG	5 E Quincy, IL	RESTAURANT DAMAGE...DETAILS UNKNOWN AT THIS TIME.
Apr 17, 7:31 PM CDT	FUNNEL CLOUD	1 N Payson, IL
Apr 17, 7:38 PM CDT	TSTM WND DMG	Kingston, IL	ROOF COLLAPSED ON A 25 FOOT SHED.
Apr 17, 7:53 PM CDT	TSTM WND DMG	Clayton, IL	CARPORT COLLAPSE...REPORTED BY CLAYTON FIRE CHIEF AND RELAYED BY ADAMS COUNTY EMA.

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
Apr 17, 11:11 AM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.5 hours before the alert went out and 190 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 412 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 356 m²/s²
0-3 km storm-relative helicity: 444 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 11.4

Open this sounding in Storm Lab

The text

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

667 
WFUS53 KLSX 180027
TORLSX
ILC001-009-149-180100-
/O.NEW.KLSX.TO.W.0017.130418T0027Z-130418T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
727 PM CDT WED APR 17 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
  BROWN COUNTY IN WEST CENTRAL ILLINOIS...
  NORTHWESTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...

* UNTIL 800 PM CDT

* AT 723 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM PAYSON TO 6      
  MILES NORTHWEST OF BARRY...AND MOVING NORTHEAST AT 50 MPH.

  HAZARD...DEVELOPING TORNADOES.

  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...
  BEVERLY...CAMP POINT...BUCKHORN...CLAYTON...GOLDEN...MOUNT
  STERLING...BURTON...RICHFIELD...KINGSTON...LIBERTY...FOWLER...
  COLUMBUS...PALOMA...COATSBURG...KELLERVILLE...MOUND STATION...
  CHATTON...LA PRAIRIE...COOPERTOWN AND RIPLEY.

THIS WARNING INCLUDES SILOAM SPRINGS STATE PARK.

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.

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

&&

LAT...LON 4020 9092 4011 9090 4011 9070 4008 9070
      4008 9067 4005 9067 4003 9065 4003 9060
      3999 9060 3998 9052 3967 9119 3991 9141
      4020 9109
TIME...MOT...LOC 0027Z 222DEG 44KT 3991 9125 3977 9110

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

$$

CVKING

2 follow-up statements

749 
WWUS53 KLSX 180033
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
733 PM CDT WED APR 17 2013

ILC149-180042-
/O.CAN.KLSX.TO.W.0017.000000T0000Z-130418T0100Z/
PIKE IL-
733 PM CDT WED APR 17 2013

...THE TORNADO WARNING FOR NORTHWESTERN PIKE COUNTY IN WEST CENTRAL
ILLINOIS IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM.

LAT...LON 4020 9092 4011 9090 4011 9070 4008 9070
      4008 9067 4005 9067 4003 9065 4003 9060
      3999 9060 3998 9052 3976 9115 3995 9137
      4020 9109
TIME...MOT...LOC 0032Z 222DEG 44KT 3994 9121 3983 9109

$$

ILC001-009-180100-
/O.CON.KLSX.TO.W.0017.000000T0000Z-130418T0100Z/
ADAMS IL-BROWN IL-
733 PM CDT WED APR 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR BROWN AND ADAMS COUNTIES
UNTIL 800 PM CDT...

AT 731 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A
TORNADO WAS LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTH OF
PAYSON TO 6 MILES WEST OF BEVERLY...AND MOVING NORTHEAST AT 50 MPH.

HAZARD...DEVELOPING TORNADO.

SOURCE...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD JUST NORTH OF      
         PAYSON.

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...
CAMP POINT...BUCKHORN...CLAYTON...GOLDEN...MOUNT STERLING...
KINGSTON...LIBERTY...FOWLER...COLUMBUS...PALOMA...COATSBURG...
KELLERVILLE...MOUND STATION...CHATTON...LA PRAIRIE...RIPLEY AND
COOPERTOWN.

THIS WARNING INCLUDES SILOAM SPRINGS STATE PARK.

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.

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

&&

LAT...LON 4020 9092 4011 9090 4011 9070 4008 9070
      4008 9067 4005 9067 4003 9065 4003 9060
      3999 9060 3998 9052 3976 9115 3995 9137
      4020 9109
TIME...MOT...LOC 0032Z 222DEG 44KT 3994 9121 3983 9109

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

$$

CVKING

953 
WWUS53 KLSX 180049
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
749 PM CDT WED APR 17 2013

ILC001-009-180100-
/O.CON.KLSX.TO.W.0017.000000T0000Z-130418T0100Z/
ADAMS IL-BROWN IL-
749 PM CDT WED APR 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR BROWN AND NORTHEASTERN
ADAMS COUNTIES UNTIL 800 PM CDT...

AT 744 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A
TORNADO WAS LOCATED ALONG A LINE EXTENDING FROM CAMP POINT TO 7 MILES
NORTH OF BEVERLY...AND MOVING NORTHEAST AT 40 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...
CAMP POINT...CLAYTON...GOLDEN...BUCKHORN...MOUNT STERLING...
KELLERVILLE...CHATTON...MOUND STATION...LA PRAIRIE...RIPLEY AND
COOPERTOWN.

THIS WARNING INCLUDES SILOAM SPRINGS STATE PARK.

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.

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

&&

LAT...LON 4020 9092 4011 9090 4011 9070 4008 9070
      4008 9067 4005 9067 4003 9065 4003 9060
      3999 9060 3998 9052 3982 9098 4007 9123
      4020 9109
TIME...MOT...LOC 0049Z 232DEG 35KT 4003 9105 3992 9095

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

$$

CVKING

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 17, 7:01 PM CDT	Tornado Warning	LSX	Adams	29 min
Apr 17, 7:46 PM CDT	Flash Flood Warning	LSX	Adams, Pike	8 hr
Apr 17, 8:00 PM CDT	Tornado Warning	LSX	Adams, Brown	30 min
Apr 18, 3:32 AM CDT	Flash Flood Warning	LSX	Adams, Brown, Pike	12 hr
Apr 18, 3:58 AM CDT	Wind Advisory	LSX	Bond, Clinton, Fayette, Macoupin, Madison, Marion and 5 more	9 hr
Apr 18, 9:10 AM CDT	Areal Flood Advisory	LSX	Monroe	7 hr
Apr 18, 10:21 AM CDT	Areal Flood Advisory	LSX	Bond, Fayette, Macoupin, Madison, Montgomery, Saint Clair	8 hr
Apr 18, 11:51 AM CDT	Flash Flood Warning	LSX	Bond, Clinton, Madison, Monroe, Saint Clair	6 hr
Apr 18, 12:46 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Fayette, Marion, Washington	44 min
Apr 18, 2:34 PM CDT	Areal Flood Advisory	LSX	Clinton, Marion, Randolph, Washington	4 hr
Apr 18, 6:01 PM CDT	Areal Flood Warning	LSX	Bond, Clinton, Madison, Monroe, Saint Clair	18 hr
Apr 18, 6:55 PM CDT	Areal Flood Warning	LSX	Bond, Clinton, Fayette, Marion, Randolph, Washington	18 hr

Nearby

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