Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 5, NWS Springfield, MO

January 17, 2012Camden County, Missouri

NWS Springfield, MO issued this tornado warning at Jan 17, 2012, 12:18 AM CST for Camden County, Missouri. It was in force for 42 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 17, 2012, 12:18 AM CST (06:18 UTC)
Expired
Jan 17, 2012, 1:00 AM CST
In force
42 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon

County Camden County, MO

The radar

The Springfield radar (KSGF), 110 km from the middle of the area, began a volume at 06:20 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 16, 11:47 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.3 hours before the alert went out and 161 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 2012-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 246 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
3 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
1205 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
246 m²/s²
0-3 km storm-relative helicity
361 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.

409 
WFUS53 KSGF 170618
TORSGF
MOC029-170700-
/O.NEW.KSGF.TO.W.0005.120117T0618Z-120117T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1218 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CAMDEN COUNTY IN CENTRAL MISSOURI...

* UNTIL 100 AM CST.

* AT 1215 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES SOUTH OF ROACH...OR 7 MILES SOUTHWEST OF
  CAMDENTON...MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE CAMDENTON...DECATURVILLE...FREEDOM...
  LINN CREEK...MONTREAL...ROACH AND WET GLAIZE.

OTHER LOCATIONS IN THE WARNING INCLUDE LAKE OF THE OZARKS STATE PARK
AND LAKE OF THE OZARKS. 

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3807 9257 3805 9253 3802 9251 3802 9241
      3786 9241 3785 9243 3787 9261 3790 9263
      3790 9285 3802 9287 3809 9257
TIME...MOT...LOC 0618Z 255DEG 48KT 3793 9276
HAIL 1.00IN

$$

CRAMER
2 follow-up statements
271 
WWUS53 KSGF 170632
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1232 AM CST TUE JAN 17 2012

MOC029-170700-
/O.CON.KSGF.TO.W.0005.000000T0000Z-120117T0700Z/
CAMDEN MO-
1232 AM CST TUE JAN 17 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CST FOR
SOUTHEASTERN CAMDEN COUNTY...

AT 1230 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO NEAR MONTREAL...OR 10 MILES EAST OF 
CAMDENTON...MOVING EAST AT 55 MPH.  ANOTHER STORM WITH DEVELOPING 
ROTATION WAS NEAR DECATURVILLE...AND IS EXPECTED TO TRACK OVER 
SOUTHERN CAMDEN COUNTY.  THIS STORM IS ALSO CAPABLE OF PRODUCING A 
TORNADO. 

LOCATIONS IMPACTED INCLUDE DECATURVILLE...FREEDOM...MONTREAL AND WET
GLAIZE.

OTHER LOCATIONS IN THE WARNING INCLUDE LAKE OF THE OZARKS STATE PARK
AND LAKE OF THE OZARKS. 

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CST TUESDAY MORNING
FOR SOUTHERN MISSOURI.

&&

LAT...LON 3807 9257 3805 9253 3802 9251 3802 9241
      3786 9241 3790 9263 3790 9275 3791 9276
      3798 9273 3808 9257
TIME...MOT...LOC 0631Z 255DEG 48KT 3797 9256
HAIL 1.00IN

$$

CRAMER
062 
WWUS53 KSGF 170658
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1258 AM CST TUE JAN 17 2012

MOC029-170708-
/O.EXP.KSGF.TO.W.0005.000000T0000Z-120117T0700Z/
CAMDEN MO-
1258 AM CST TUE JAN 17 2012

...THE TORNADO WARNING FOR SOUTHEASTERN CAMDEN COUNTY HAS EXPIRED...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE TORNADO
THAT PROMPTED THE WARNING IS EXITING THE WARNED AREA...THUS THE
WARNING IS BEING ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CST TUESDAY MORNING
FOR SOUTHERN MISSOURI.

LAT...LON 3807 9257 3805 9253 3802 9251 3802 9241
      3786 9241 3790 9263 3790 9275 3791 9276
      3798 9273 3808 9257
TIME...MOT...LOC 0658Z 255DEG 48KT 3806 9212

$$

CRAMER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 10:55 PM CSTSevere Thunderstorm WarningSGFCedar, St. Clair25 min
Jan 16, 11:08 PM CSTTornado WarningSGFHickory, Polk, St. Clair35 min
Jan 16, 11:29 PM CSTTornado WarningSGFCamden, Dallas46 min
Jan 16, 11:53 PM CSTTornado WarningSGFDallas, Hickory20 min
Jan 16, 11:58 PM CSTTornado WarningSGFMiller47 min
Jan 17, 12:22 AM CSTTornado WarningSGFMaries53 min
Jan 17, 12:41 AM CSTTornado WarningSGFMiller, Pulaski29 min
Jan 17, 12:57 AM CSTTornado WarningSGFMaries48 min
Jan 17, 1:34 AM CSTTornado WarningSGFPhelps12 min
Jan 17, 2:55 AM CSTSevere Thunderstorm WarningSGFCamden, Dallas, Laclede50 min
Jan 17, 3:27 AM CSTSevere Thunderstorm WarningSGFPulaski33 min
Jan 17, 3:53 AM CSTSevere Thunderstorm WarningSGFMaries, Phelps41 min

Nearby

Tornado Warnings in Missouri, 2012Every tornado warning in 2012Tornadoes in 2012

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.