Alert archive / Illinois / Tornado Warnings in 2013

Tornado Warning 16, NWS St. Louis, MO

April 17, 2013Adams County, Illinois; Marion County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 17, 2013, 7:01 PM CDT for Adams County, Illinois; Marion County, Missouri. It was in force for 29 min. 9 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, 7:01 PM CDT (00:01 UTC)
Expired
Apr 17, 2013, 7:30 PM CDT
In force
29 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Adams County, IL, Marion County, MO

The radar

The St Louis radar (KLSX), 153 km from the middle of the area, began a volume at 00:03 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

TimeReportWhereRemark
Apr 17, 7:05 PM CDTTSTM WND DMG2 N Palmyra, MO6 INCH LIMBS DOWN AND PEA SIZE HAIL
Apr 17, 7:06 PM CDTTSTM WND GST 85Coatsburg, IL
Apr 17, 7:10 PM CDTFUNNEL CLOUD2 N Marblehead, IL
Apr 17, 7:14 PM CDTTSTM WND DMGQuincy, ILSTREET LIGHTS BLOWN DOWN AT THE INTERSECTION OF 48TH AND BROADWAY.
Apr 17, 7:15 PM CDTTSTM WND GST 904 Ese Loraine, ILNEAR INTERSECTION OF EAST 1850TH ROAD AND ILLINOIS ROUTE 61.
Apr 17, 7:23 PM CDTTSTM WND GST 80Golden, ILRELAYED VIA ADAMS COUNTY EOC...EST 75-80 MPH WINDS
Apr 17, 7:30 PM CDTTSTM WND DMG4 Ne Burton, ILTREE DAMAGE AT QUINCY AIRPORT.
Apr 17, 7:30 PM CDTTSTM WND DMG5 E Quincy, ILRESTAURANT DAMAGE...DETAILS UNKNOWN AT THIS TIME.
Apr 17, 7:31 PM CDTFUNNEL CLOUD1 N Payson, 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.

IssuedProductOfficeLasted
Apr 17, 11:11 AM CDTTornado WatchSPC11 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.0 hours before the alert went out and 225 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, Lincoln, IL at 00:00Z on 2013-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2013-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 356 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
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.

680 
WFUS53 KLSX 180001
TORLSX
ILC001-MOC127-180030-
/O.NEW.KLSX.TO.W.0016.130418T0001Z-130418T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
701 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...
  EASTERN MARION COUNTY IN NORTHEAST MISSOURI...

* UNTIL 730 PM CDT

* AT 657 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  TORNADOES WAS LOCATED ALONG A LINE EXTENDING FROM 6 MILES WEST OF  
  QUINCY TO RENSSELAER...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...
  QUINCY...FALL CREEK...MENDON...PAYSON...CAMP POINT...GOLDEN...
  CLAYTON...MARBLEHEAD...FOWLER...BURTON...ADAMS...PALOMA...
  COATSBURG...COLUMBUS...LIBERTY...CHATTON...LA PRAIRIE AND
  KELLERVILLE.

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 4019 9092 3987 9092 3969 9159 3995 9157
      3995 9144 4000 9147 4020 9108
TIME...MOT...LOC 0001Z 233DEG 42KT 3994 9145 3972 9144

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

$$

CVKING
2 follow-up statements
264 
WWUS53 KLSX 180013
SVSLSX

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

ILC001-MOC127-180030-
/O.CON.KLSX.TO.W.0016.000000T0000Z-130418T0030Z/
ADAMS IL-MARION MO-
713 PM CDT WED APR 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN MARION AND
ADAMS COUNTIES UNTIL 730 PM CDT...

AT 710 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED EAST OF PALMYRA...AND MOVING NORTHEAST AT 45 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...
QUINCY...PAYSON...MENDON...CAMP POINT...GOLDEN...CLAYTON...
MARBLEHEAD...ADAMS...BURTON...LIBERTY...FOWLER...PALOMA...COLUMBUS...
COATSBURG...CHATTON...LA PRAIRIE AND KELLERVILLE.

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 4019 9092 3988 9092 3977 9147 3985 9152
      3995 9143 4006 9136 4020 9108
TIME...MOT...LOC 0013Z 219DEG 40KT 3984 9142

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

$$

CVKING
610 
WWUS53 KLSX 180021
SVSLSX

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

MOC127-180030-
/O.CAN.KLSX.TO.W.0016.000000T0000Z-130418T0030Z/
MARION MO-
721 PM CDT WED APR 17 2013

...THE TORNADO WARNING FOR NORTHEASTERN MARION COUNTY IS CANCELLED...

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

LAT...LON 4019 9092 3988 9092 3979 9136 3987 9145
      3990 9144 3992 9142 3995 9143 4006 9136
      4020 9108
TIME...MOT...LOC 0020Z 222DEG 41KT 3990 9132

$$

ILC001-180030-
/O.CON.KLSX.TO.W.0016.000000T0000Z-130418T0030Z/
ADAMS IL-
721 PM CDT WED APR 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR ADAMS COUNTY UNTIL 730 PM
CDT...

AT 719 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
WAS LOCATED JUST SOUTH OF QUINCY...AND MOVING NORTHEAST AT 50 MPH.

HAZARD...DEVELOPING TORNADO.

SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD 2 MILES NORTH OF     
         MARBLEHEAD.

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...
MENDON...CAMP POINT...GOLDEN...CLAYTON...ADAMS...BURTON...LIBERTY...
FOWLER...PALOMA...COLUMBUS...COATSBURG...CHATTON...KELLERVILLE AND LA
PRAIRIE.

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 4019 9092 3988 9092 3979 9136 3987 9145
      3990 9144 3992 9142 3995 9143 4006 9136
      4020 9108
TIME...MOT...LOC 0020Z 222DEG 41KT 3990 9132

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

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 7:27 PM CDTTornado WarningLSXAdams, Brown, Pike33 min
Apr 17, 7:46 PM CDTFlash Flood WarningLSXAdams, Pike8 hr
Apr 17, 8:00 PM CDTTornado WarningLSXAdams, Brown30 min
Apr 18, 3:32 AM CDTFlash Flood WarningLSXAdams, Brown, Pike12 hr
Apr 18, 3:58 AM CDTWind AdvisoryLSXBond, Clinton, Fayette, Macoupin, Madison, Marion and 5 more9 hr
Apr 18, 9:10 AM CDTAreal Flood AdvisoryLSXMonroe7 hr
Apr 18, 10:21 AM CDTAreal Flood AdvisoryLSXBond, Fayette, Macoupin, Madison, Montgomery, Saint Clair8 hr
Apr 18, 11:51 AM CDTFlash Flood WarningLSXBond, Clinton, Madison, Monroe, Saint Clair6 hr
Apr 18, 12:46 PM CDTSevere Thunderstorm WarningLSXClinton, Fayette, Marion, Washington44 min
Apr 18, 2:34 PM CDTAreal Flood AdvisoryLSXClinton, Marion, Randolph, Washington4 hr
Apr 18, 6:01 PM CDTAreal Flood WarningLSXBond, Clinton, Madison, Monroe, Saint Clair18 hr
Apr 18, 6:55 PM CDTAreal Flood WarningLSXBond, Clinton, Fayette, Marion, Randolph, Washington18 hr
Apr 17, 7:39 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis, Marion, Shelby51 min
Apr 17, 9:27 PM CDTSevere Thunderstorm WarningLSXMarion, Monroe, Ralls, Shelby48 min
Apr 17, 9:40 PM CDTFlash Flood WarningLSXKnox6 hr
Apr 18, 5:15 AM CDTRiver Flood WarningLSXOsage54 hr
Apr 18, 6:01 AM CDTSevere Thunderstorm WarningLSXCrawford, Washington44 min
Apr 18, 8:36 AM CDTRiver Flood WarningLSXSaint Charles55 hr
Apr 18, 3:03 PM CDTRiver Flood WarningLSXJefferson4 days
Apr 18, 3:03 PM CDTRiver Flood WarningLSXFranklin4 days
Apr 18, 3:03 PM CDTRiver Flood WarningLSXCrawford65 hr
Apr 18, 3:03 PM CDTRiver Flood WarningLSXCrawford, Washington4 days
Apr 18, 3:03 PM CDTRiver Flood WarningLSXFranklin, Jefferson5 days
Apr 18, 3:03 PM CDTRiver Flood WarningLSXJefferson, Saint Louis5 days
Apr 18, 3:03 PM CDTRiver Flood WarningLSXJefferson, Saint Louis8 days
Apr 18, 3:34 PM CDTAreal Flood WarningLSXAudrain, Boone, Knox, Lewis, Marion, Monroe and 2 more24 hr

Nearby

Tornado Warnings in Illinois, 2013Tornado Warnings in Missouri, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.