Alert archive / Illinois / Tornado Warnings in 2013

Tornado Warning 3, NWS St. Louis, MO

January 29, 2013Calhoun County, Greene County, Jersey County, Illinois; Lincoln County, Missouri

NWS St. Louis, MO issued this tornado warning at Jan 29, 2013, 3:42 PM CST for Calhoun County, Greene County, Jersey County, Illinois; Lincoln County, Missouri. It was in force for 33 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
Jan 29, 2013, 3:42 PM CST (21:42 UTC)
Expired
Jan 29, 2013, 4:15 PM CST
In force
33 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Calhoun County, IL, Greene County, IL, Jersey County, IL, Lincoln County, MO

The radar

The St Louis radar (KLSX), 46 km from the middle of the area, began a volume at 21:44 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
Jan 29, 12:35 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 375 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, Springfield, MO at 12:00Z on 2013-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 285 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, Springfield, MO at 12:00Z on 2013-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 257 square meters per square second.1939587897117Sfc1 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
285 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
257 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

859 
WFUS53 KLSX 292142
TORLSX
ILC013-061-083-MOC113-292215-
/O.NEW.KLSX.TO.W.0003.130129T2142Z-130129T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
342 PM CST TUE JAN 29 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
  SOUTHWESTERN GREENE COUNTY IN SOUTHWEST ILLINOIS...
  WESTERN JERSEY COUNTY IN SOUTHWEST ILLINOIS...
  EAST CENTRAL LINCOLN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 415 PM CST

* AT 340 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR WINFIELD...AND MOVING NORTHEAST AT 50 MPH.

  HAZARD...DEVELOPING TORNADO.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE
           HOMES COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR
           SNAPPED. VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

* LOCATIONS IMPACTED INCLUDE...
  BEECHVILLE...BATCHTOWN...MEPPEN...NUTWOOD...FIELDON AND OTTERVILLE.

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 3924 9054 3909 9030 3893 9066 3900 9076
TIME...MOT...LOC 2142Z 232DEG 44KT 3898 9071

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

$$

CVKING
2 follow-up statements
411 
WWUS53 KLSX 292155
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
355 PM CST TUE JAN 29 2013

MOC113-292204-
/O.CAN.KLSX.TO.W.0003.000000T0000Z-130129T2215Z/
LINCOLN MO-
355 PM CST TUE JAN 29 2013

...THE TORNADO WARNING FOR EAST CENTRAL LINCOLN COUNTY IS
CANCELLED...

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

LAT...LON 3907 9065 3924 9054 3909 9030 3895 9061
TIME...MOT...LOC 2154Z 232DEG 44KT 3907 9056

$$

ILC013-061-083-292215-
/O.CON.KLSX.TO.W.0003.000000T0000Z-130129T2215Z/
JERSEY IL-CALHOUN IL-GREENE IL-
355 PM CST TUE JAN 29 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN GREENE...
CALHOUN AND WESTERN JERSEY COUNTIES UNTIL 415 PM CST...

AT 352 PM CST...A SEVERE SQUALL LINE CAPABLE OF PRODUCING TORNADOES 
THAT MAY NOT BE VISIBLE DUE TO HEAVY RAIN WAS LOCATED ALONG THE 
ILLINOIS RIVER...AND MOVING NORTHEAST AT 50 MPH.

HAZARD...POTENTIAL TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...SIGNIFICANT HOUSE AND BUILDING DAMAGE POSSIBLE. MOBILE HOMES
         COMPLETELY DESTROYED IF HIT. SOME TREES UPROOTED OR SNAPPED.
         VEHICLES WILL LIKELY BE THROWN BY TORNADIC WINDS.

LOCATIONS IMPACTED INCLUDE...
FIELDON AND OTTERVILLE.

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 3907 9065 3924 9054 3909 9030 3895 9061
TIME...MOT...LOC 2154Z 232DEG 44KT 3907 9056

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

$$

CVKING
128 
WWUS53 KLSX 292201
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
401 PM CST TUE JAN 29 2013

ILC013-061-083-292211-
/O.CAN.KLSX.TO.W.0003.000000T0000Z-130129T2215Z/
JERSEY IL-CALHOUN IL-GREENE IL-
401 PM CST TUE JAN 29 2013

...THE TORNADO WARNING FOR SOUTHWESTERN GREENE...CALHOUN AND WESTERN
JERSEY COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 8 PM.

LAT...LON 3907 9065 3924 9054 3909 9030 3895 9061
TIME...MOT...LOC 2201Z 232DEG 44KT 3912 9047

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 29, 1:50 PM CSTSevere Thunderstorm WarningLSXPike40 min
Jan 29, 10:38 AM CSTRiver Flood WarningLSXSaint Charles52 hr
Jan 29, 12:57 PM CSTSevere Thunderstorm WarningLSXBoone, Callaway48 min
Jan 29, 1:21 PM CSTSevere Thunderstorm WarningLSXAudrain, Callaway, Montgomery39 min
Jan 29, 1:35 PM CSTSevere Thunderstorm WarningLSXMontgomery25 min
Jan 29, 2:27 PM CSTSevere Thunderstorm WarningLSXGasconade, Osage48 min
Jan 29, 2:52 PM CSTSevere Thunderstorm WarningLSXFranklin, Warren38 min
Jan 29, 3:12 PM CSTTornado WarningLSXSaint Charles, Warren33 min
Jan 29, 3:30 PM CSTTornado WarningLSXLincoln, Saint Charles30 min
Jan 29, 4:08 PM CSTWinter Weather AdvisoryLSXKnox, Lewis, Shelby23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.