Alert archive / Missouri / Tornado Warnings in 2006

Tornado Warning 71, NWS Springfield, MO

April 15, 2006St. Clair County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 15, 2006, 11:34 PM CDT for St. Clair County, Missouri. It was in force for 41 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
Apr 15, 2006, 11:34 PM CDT (04:34 UTC)
Expired
Apr 16, 2006, 12:15 AM CDT
In force
41 min
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County St. Clair County, MO

The radar

The Pleasant Hill radar (KEAX), 90 km from the middle of the area, began a volume at 04:37 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.6 hours before the alert went out and 130 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 00:00Z on 2006-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 542 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 00:00Z on 2006-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 383 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
542 J/kg
Mixed-layer CIN
-383 J/kg
Mixed-layer LCL
1527 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
383 m²/s²
0-3 km storm-relative helicity
508 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.

000 
WFUS53 KSGF 160434
TORSGF
MOC185-160545-
/O.NEW.KSGF.TO.W.0071.060416T0434Z-060416T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1134 PM CDT SAT APR 15 2006

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  ST. CLAIR COUNTY IN WEST CENTRAL MISSOURI.

* UNTIL 1245 AM CDT.

* AT 1132 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR WALKER...OR 8 MILES NORTHEAST OF NEVADA...
  AND MOVING EAST AT 55 MPH.

* THIS TORNADIC STORM WILL BE...
  NEAR OSCEOLA BY 1205 AM CDT.

THE TOWNS OF TABERVILLE...TIFFIN...MONEGAW SPRINGS...ROSCOE...VISTA
AND ICONIUM ARE ALSO IN THE PATH OF THIS TORNADIC STORM.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3815 9405 3790 9406 3796 9353 3820 9352

$$

CRAMER
3 follow-up statements
000 
WWUS53 KSGF 160448
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1147 PM CDT SAT APR 15 2006

MOC185-160545-
/O.CON.KSGF.TO.W.0071.000000T0000Z-060416T0545Z/
ST. CLAIR MO-
1147 PM CDT SAT APR 15 2006

...A TORNADO WARNING REMAINS IN EFFECT FOR ST. CLAIR COUNTY UNTIL
1245 AM CDT...

AT 1142 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED 7 MILES EAST OF SCHELL CITY...OR 9 MILES NORTH OF 
EL DORADO SPRINGS...AND MOVING EAST AT 70 MPH.

THIS DANGEROUS STORM WILL BE...
  NEAR OSCEOLA BY 1155 PM CDT.

THIS STORM HAS HAD A HISTORY OF PRODUCING GOLF BALL SIZE HAIL AND 
DAMAGING WINDS OF 60 MPH.  ANYONE IN OR NEAR THE CITY OF OSCEOLA 
SHOULD TAKE COVER NOW.

THE TOWNS OF JOHNSON CITY...MONEGAW SPRINGS...ROSCOE...ICONIUM AND
HARPER ARE ALSO IN THE PATH OF THIS TORNADO.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3815 9405 3790 9406 3796 9353 3820 9352

$$

CRAMER
000 
WWUS53 KSGF 160459
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1159 PM CDT SAT APR 15 2006

MOC185-160545-
/O.CON.KSGF.TO.W.0071.000000T0000Z-060416T0545Z/
ST. CLAIR MO-
1159 PM CDT SAT APR 15 2006

...A TORNADO WARNING REMAINS IN EFFECT FOR ST. CLAIR COUNTY UNTIL
1245 AM CDT...

AT 1157 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED NEAR OSCEOLA...OR 20 MILES NORTHEAST OF EL DORADO 
SPRINGS...AND MOVING EAST AT 70 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN ST. CLAIR
COUNTY...INCLUDING THE TOWNS OF OSCEOLA...LOWRY CITY...ICONIUM AND
HARPER.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3812 9384 3799 9384 3800 9352 3818 9353
      3820 9354

$$

CRAMER
000 
WWUS53 KSGF 160515
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1215 AM CDT SUN APR 16 2006

MOC185-160525-
/O.CAN.KSGF.TO.W.0071.000000T0000Z-060416T0545Z/
ST. CLAIR MO-
1215 AM CDT SUN APR 16 2006

...THE TORNADO WARNING FOR ST. CLAIR COUNTY HAS BEEN CANCELLED...

AT 1212 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED...AND NO LONGER 
POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE 
TORNADO WARNING HAS BEEN CANCELLED.

LAT...LON 3812 9384 3799 9384 3800 9352 3818 9353
      3820 9354

$$

GAGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 10:55 PM CDTTornado WarningSGFVernon50 min

Nearby

Tornado Warnings in Missouri, 2006Every tornado warning in 2006Tornadoes in 2006

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.