Alert archive / Missouri / Tornado Warnings in 2013

Tornado Warning 2, NWS St. Louis, MO

January 29, 2013Lincoln County, Saint Charles County, Missouri

NWS St. Louis, MO issued this tornado warning at Jan 29, 2013, 3:30 PM CST for Lincoln County, Saint Charles County, Missouri. It was in force for 30 min. 2 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
Jan 29, 2013, 3:30 PM CST (21:30 UTC)
Expired
Jan 29, 2013, 4:00 PM CST
In force
30 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Lincoln County, MO, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 29 km from the middle of the area, began a volume at 21:31 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
Jan 29, 3:36 PM CSTTORNADO3 Sw Old Monroe, MOLARGE TREES WERE SNAPPED AND UPROOTED - THERE WAS MINOR DAMAGE TO HOMES AND POWER POLES WERE SNAPPED
Jan 29, 3:37 PM CSTTSTM WND DMGOld Monroe, MOTHREE DOWNED TREES OF 12 INCHES DIAMETER OR MORE... ALSO POWER LINES DOWNED

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
Jan 29, 12:35 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.5 hours before the alert went out and 346 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.

369 
WFUS53 KLSX 292130
TORLSX
MOC113-183-292200-
/O.NEW.KLSX.TO.W.0002.130129T2130Z-130129T2200Z/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  NORTHWESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 400 PM CST

* AT 327 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR WENTZVILLE...AND MOVING NORTHEAST AT 45
  MPH.

  HAZARD...DEVELOPING TORNADO.

  SOURCE...RADAR INDICATED ROTATION WEST OF FLINT HILL.

  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...
  OLD MONROE.

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 3903 9080 3892 9065 3882 9089 3887 9095
TIME...MOT...LOC 2130Z 226DEG 39KT 3888 9087

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

$$

CVKING
1 follow-up statement
829 
WWUS53 KLSX 292149
SVSLSX

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

MOC113-183-292159-
/O.CAN.KLSX.TO.W.0002.000000T0000Z-130129T2200Z/
LINCOLN MO-ST. CHARLES MO-
349 PM CST TUE JAN 29 2013

...THE TORNADO WARNING FOR NORTHWESTERN ST. CHARLES AND SOUTHEASTERN
LINCOLN COUNTIES IS CANCELLED...

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 8 PM.

LAT...LON 3903 9080 3892 9065 3882 9089 3887 9095
TIME...MOT...LOC 2149Z 226DEG 39KT 3902 9068

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
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, 1:50 PM CSTSevere Thunderstorm WarningLSXAudrain, Lincoln, Montgomery, Pike, Ralls40 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, 3:42 PM CSTTornado WarningLSXLincoln33 min
Jan 29, 4:08 PM CSTWinter Weather AdvisoryLSXKnox, Lewis, Shelby23 hr

Nearby

Tornado 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.