Alert archive / Illinois / Tornado Warnings in 2014

Tornado Warning 35, NWS St. Louis, MO

October 13, 2014Madison County, Illinois

NWS St. Louis, MO issued this tornado warning at Oct 13, 2014, 1:43 PM CDT for Madison County, Illinois. It was in force for 32 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
Oct 13, 2014, 1:43 PM CDT (18:43 UTC)
Expired
Oct 13, 2014, 2:15 PM CDT
In force
32 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Madison County, IL

The radar

The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 18:43 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.

IssuedProductOfficeLasted
Oct 13, 10:29 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.7 hours before the alert went out and 176 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 12:00Z on 2014-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2014-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
21 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
453 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

011 
WFUS53 KLSX 131843
TORLSX
ILC119-131915-
/O.NEW.KLSX.TO.W.0035.141013T1843Z-141013T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
143 PM CDT MON OCT 13 2014

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MADISON COUNTY IN SOUTHWEST ILLINOIS...

* UNTIL 215 PM CDT

* AT 140 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR TROY...AND MOVING NORTHEAST AT 40 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 DANGEROUS STORM WILL BE NEAR...
  MARINE AND HIGHLAND AROUND 150 PM CDT.
  ALHAMBRA AROUND 205 PM CDT.
  LIVINGSTON AROUND 210 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE FRUIT...KAUFMAN AND GRANTFORK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN ILLINOIS FROM EXIT 21 TO EXIT 30.
INTERSTATE 55 IN ILLINOIS FROM EXIT 23 TO EXIT 37.

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.

&&

LAT...LON 3865 8971 3866 9000 3900 8983 3900 8981
      3894 8964 3888 8964 3887 8960 3880 8960
TIME...MOT...LOC 1843Z 214DEG 33KT 3872 8983

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

$$

BRITT
2 follow-up statements
071 
WWUS53 KLSX 131854
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
154 PM CDT MON OCT 13 2014

ILC119-131915-
/O.CON.KLSX.TO.W.0035.000000T0000Z-141013T1915Z/
MADISON IL-
154 PM CDT MON OCT 13 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN MADISON COUNTY
UNTIL 215 PM CDT...

AT 151 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MARINE...AND MOVING NORTH 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 DANGEROUS STORM WILL BE NEAR...
  ALHAMBRA AND WORDEN AROUND 205 PM CDT.
  LIVINGSTON AROUND 210 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE KAUFMAN AND HAMEL.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN ILLINOIS FROM EXIT 21 TO EXIT 30.
INTERSTATE 55 IN ILLINOIS FROM EXIT 23 TO EXIT 37.

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.

&&

LAT...LON 3865 8971 3865 8972 3874 8996 3900 8983
      3900 8980 3894 8964 3888 8964 3887 8960
      3880 8960
TIME...MOT...LOC 1854Z 201DEG 32KT 3882 8980

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

$$

BRITT
911 
WWUS53 KLSX 131912
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
212 PM CDT MON OCT 13 2014

ILC119-131922-
/O.EXP.KLSX.TO.W.0035.000000T0000Z-141013T1915Z/
MADISON IL-
212 PM CDT MON OCT 13 2014

...THE TORNADO WARNING FOR EASTERN MADISON COUNTY WILL EXPIRE AT 215
PM CDT...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 7 PM CDT.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.

LAT...LON 3865 8971 3865 8972 3874 8996 3900 8983
      3900 8980 3894 8964 3888 8964 3887 8960
      3880 8960
TIME...MOT...LOC 1912Z 201DEG 32KT 3897 8973

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 12:33 PM CDTSevere Thunderstorm WarningLSXMonroe28 min
Oct 13, 12:44 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph, Saint Clair46 min
Oct 13, 1:22 PM CDTTornado WarningLSXMadison, Saint Clair23 min
Oct 13, 2:07 PM CDTTornado WarningLSXMacoupin, Madison, Montgomery28 min
Oct 13, 3:30 PM CDTTornado WarningLSXWashington16 min
Oct 13, 3:50 PM CDTAreal Flood AdvisoryLSXBond, Clinton, Fayette, Marion, Montgomery, Washington5 hr
Oct 13, 4:07 PM CDTTornado WarningLSXMarion38 min

Nearby

Tornado Warnings in Illinois, 2014Every tornado warning in 2014Tornadoes in 2014

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.