Alert archive / Missouri / Tornado Warnings in 2012

Tornado Warning 8, NWS Springfield, MO

January 17, 2012Maries County, Missouri

NWS Springfield, MO issued this tornado warning at Jan 17, 2012, 12:57 AM CST for Maries County, Missouri. It was in force for 48 min. 1 report 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 17, 2012, 12:57 AM CST (06:57 UTC)
Expired
Jan 17, 2012, 1:45 AM CST
In force
48 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon

County Maries County, MO

The radar

The St Louis radar (KLSX), 123 km from the middle of the area, began a volume at 06:57 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 17, 1:33 AM CSTHAIL 15 N Vichy, MOQUARTER SIZE HAIL COVERING THE GROUND 1 MILE NORTH OF VICHY/ROLLA AIRPORT.

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 16, 11:47 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.0 hours before the alert went out and 217 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.

922 
WFUS53 KSGF 170657
TORSGF
MOC125-170745-
/O.NEW.KSGF.TO.W.0008.120117T0657Z-120117T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1257 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  MARIES COUNTY IN CENTRAL MISSOURI...

* UNTIL 145 AM CST.

* AT 1255 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  TORNADIC STORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF
  BRINKTOWN TO 8 MILES SOUTHWEST OF BRINKTOWN TO 14 MILES SOUTHWEST
  OF BRINKTOWN...MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE BELLE...BRINKTOWN...VICHY AND VIENNA.

IN ADDITION TO A TORNADO...THESE STORMS ARE 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 3829 9163 3805 9164 3805 9189 3803 9193
      3804 9195 3801 9197 3801 9214 3802 9218
      3822 9219 3830 9198 3830 9165
TIME...MOT...LOC 0657Z 245DEG 57KT 3815 9215 3807 9215
          3801 9222
HAIL 1.25IN

$$

CRAMER
3 follow-up statements
458 
WWUS53 KSGF 170713
SVSSGF

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

MOC125-170745-
/O.CON.KSGF.TO.W.0008.000000T0000Z-120117T0745Z/
MARIES MO-
113 AM CST TUE JAN 17 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CST FOR MARIES
COUNTY...

AT 111 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE TORNADIC STORMS ALONG A LINE EXTENDING FROM VIENNA TO 5
MILES SOUTH OF VIENNA TO 12 MILES SOUTH OF VIENNA...MOVING EAST AT 55
MPH.

LOCATIONS IMPACTED INCLUDE BELLE AND VIENNA.

IN ADDITION TO A TORNADO...THESE STORMS ARE 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 3830 9164 3827 9163 3805 9164 3805 9189
      3803 9192 3804 9195 3801 9197 3801 9214
      3805 9214 3815 9204 3830 9198
TIME...MOT...LOC 0713Z 255DEG 47KT 3819 9190 3812 9189
          3803 9199
HAIL 1.25IN

$$

CRAMER
228 
WWUS53 KSGF 170726
SVSSGF

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

MOC125-170745-
/O.CON.KSGF.TO.W.0008.000000T0000Z-120117T0745Z/
MARIES MO-
126 AM CST TUE JAN 17 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 AM CST FOR EASTERN
MARIES COUNTY...

AT 124 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE TORNADIC STORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTH OF
BELLE TO 4 MILES NORTHEAST OF VICHY TO 4 MILES SOUTHWEST OF VICHY...
MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE BELLE AND VICHY.

IN ADDITION TO A TORNADO...THESE STORMS ARE CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 80 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 3827 9163 3805 9164 3805 9189 3809 9190
      3817 9190 3830 9174 3830 9165
TIME...MOT...LOC 0726Z 255DEG 47KT 3823 9169 3816 9168
          3807 9178
HAIL 1.00IN

$$

CRAMER
268 
WWUS53 KSGF 170742
SVSSGF

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

MOC125-170752-
/O.EXP.KSGF.TO.W.0008.000000T0000Z-120117T0745Z/
MARIES MO-
142 AM CST TUE JAN 17 2012

...THE TORNADO WARNING FOR EASTERN MARIES COUNTY WILL EXPIRE AT 145
AM CST...

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 3827 9163 3805 9164 3805 9189 3809 9190
      3817 9190 3830 9174 3830 9165
TIME...MOT...LOC 0742Z 255DEG 47KT 3828 9143 3821 9142
          3812 9152

$$

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, 12:18 AM CSTTornado WarningSGFCamden42 min
Jan 17, 12:22 AM CSTTornado WarningSGFMaries53 min
Jan 17, 12:41 AM CSTTornado WarningSGFMiller, Pulaski29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.