Alert archive / Missouri / Tornado Warnings in 2014

Tornado Warning 6, NWS St. Louis, MO

March 27, 2014Boone County, Cole County, Moniteau County, Missouri

NWS St. Louis, MO issued this tornado warning at Mar 27, 2014, 5:05 PM CDT for Boone County, Cole County, Moniteau County, Missouri. It was in force for 25 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
Mar 27, 2014, 5:05 PM CDT (22:05 UTC)
Expired
Mar 27, 2014, 5:30 PM CDT
In force
25 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

Counties Boone County, MO, Cole County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 138 km from the middle of the area, began a volume at 22:06 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
Mar 27, 4:55 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.1 hours before the alert went out and 248 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 2014-03-27Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2014-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 688 square meters per square second.1939587897Sfc1 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
786 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
688 m²/s²
0-3 km storm-relative helicity
699 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.

428 
WFUS53 KLSX 272205
TORLSX
MOC019-051-135-272230-
/O.NEW.KLSX.TO.W.0006.140327T2205Z-140327T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
505 PM CDT THU MAR 27 2014

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BOONE COUNTY IN CENTRAL MISSOURI...
  NORTH CENTRAL COLE COUNTY IN CENTRAL MISSOURI...
  EAST CENTRAL MONITEAU COUNTY IN CENTRAL MISSOURI...

* UNTIL 530 PM CDT

* AT 503 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 6 MILES NORTHEAST OF CLARKSBURG...AND MOVING
  EAST AT 45 MPH.

  HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL.

  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...
  JAMESTOWN AROUND 510 PM CDT.
  EASLEY AROUND 520 PM CDT.
  ASHLAND AROUND 525 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE SANDY HOOK...MARION...WILTON
AND HARTSBURG.

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 3881 9256 3887 9216 3887 9215 3884 9214
      3883 9215 3881 9214 3880 9216 3877 9216
      3875 9219 3874 9218 3871 9222 3865 9222
      3862 9255 3879 9258
TIME...MOT...LOC 2205Z 262DEG 39KT 3872 9256

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

CARNEY
2 follow-up statements
380 
WWUS53 KLSX 272223
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
523 PM CDT THU MAR 27 2014

MOC135-272233-
/O.CAN.KLSX.TO.W.0006.000000T0000Z-140327T2230Z/
MONITEAU MO-
523 PM CDT THU MAR 27 2014

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

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

LAT...LON 3887 9215 3883 9215 3881 9214 3880 9216
      3877 9216 3875 9219 3874 9218 3871 9222
      3865 9222 3863 9243 3873 9239 3876 9241
      3878 9238 3881 9238 3883 9244
TIME...MOT...LOC 2223Z 262DEG 39KT 3875 9231

$$

MOC019-051-272230-
/O.CON.KLSX.TO.W.0006.000000T0000Z-140327T2230Z/
BOONE MO-COLE MO-
523 PM CDT THU MAR 27 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL COLE AND
SOUTHERN BOONE COUNTIES UNTIL 530 PM CDT...

AT 522 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ASHLAND...AND MOVING EAST AT 45 MPH.

HAZARD...TORNADO AND HALF DOLLAR SIZE HAIL.

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.

FUNNEL CLOUDS AND ROTATING WALL CLOUDS HAVE BEEN REPORTED WITH THIS 
STORM.  THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTH 
CENTRAL COLE AND SOUTHERN BOONE COUNTIES.

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 3887 9215 3883 9215 3881 9214 3880 9216
      3877 9216 3875 9219 3874 9218 3871 9222
      3865 9222 3863 9243 3873 9239 3876 9241
      3878 9238 3881 9238 3883 9244
TIME...MOT...LOC 2223Z 262DEG 39KT 3875 9231

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

CARNEY
748 
WWUS53 KLSX 272229 RRA
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT THU MAR 27 2014

MOC019-051-272238-
/O.EXP.KLSX.TO.W.0006.000000T0000Z-140327T2230Z/
BOONE MO-COLE MO-
529 PM CDT THU MAR 27 2014

...THE TORNADO WARNING FOR NORTH CENTRAL COLE AND SOUTHERN BOONE
COUNTIES WILL EXPIRE AT 530 PM CDT...

THE ROTATION WITHIN THIS STORM HAS WEAKENED...AND IT DOES NOT APPEAR 
TO POSE AN IMMINENT THREAT OF A TORNADO AT THIS TIME.  HOWEVER...A A 
SEVERE THUNDERSTORM WARNING IS STILL IN EFFECT FOR THIS STORM.

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

LAT...LON 3887 9215 3883 9215 3881 9214 3880 9216
      3877 9216 3875 9219 3874 9218 3871 9222
      3865 9222 3863 9243 3873 9239 3876 9241
      3878 9238 3881 9238 3883 9244
TIME...MOT...LOC 2228Z 262DEG 39KT 3876 9224

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 4:43 PM CDTTornado WarningLSXMoniteau32 min
Mar 27, 5:05 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Callaway40 min
Mar 27, 5:21 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau, Osage39 min
Mar 27, 5:27 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway48 min
Mar 27, 5:35 PM CDTTornado WarningLSXBoone, Callaway25 min
Mar 27, 6:01 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau44 min
Mar 27, 6:36 PM CDTSevere Thunderstorm WarningLSXCole, Osage39 min
Mar 27, 6:46 PM CDTSevere Thunderstorm WarningLSXBoone, Moniteau29 min

Nearby

Tornado Warnings in Missouri, 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.