Alert archive / Missouri / Tornado Warnings in 2011

Tornado Warning 8, NWS Springfield, MO

February 27, 20115 counties in Missouri

NWS Springfield, MO issued this tornado warning at Feb 27, 2011, 10:39 PM CST for 5 counties in Missouri. It was in force for 51 min. 3 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
Feb 27, 2011, 10:39 PM CST (04:39 UTC)
Expired
Feb 27, 2011, 11:30 PM CST
In force
51 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon

Counties Camden County, MO, Laclede County, MO, Phelps County, MO, Pulaski County, MO, Texas County, MO

The radar

The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 04:39 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
Feb 27, 10:40 PM CSTHAIL 0.883 W Lebanon, MO
Feb 27, 10:46 PM CSTHAIL 1.54 Se Lebanon, MO
Feb 27, 11:09 PM CSTHAIL 1.754 Sw Lebanon, MO

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
Feb 27, 7:24 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.7 hours before the alert went out and 158 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 2011-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 626 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 2011-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 369 square meters per square second.1939587897117136156Sfc1 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
626 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1011 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
369 m²/s²
0-3 km storm-relative helicity
472 m²/s²
Significant tornado parameter
1.5
Supercell composite
7.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

271 
WFUS53 KSGF 280439
TORSGF
MOC029-105-161-169-215-280530-
/O.NEW.KSGF.TO.W.0008.110228T0439Z-110228T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1039 PM CST SUN FEB 27 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTHWESTERN TEXAS COUNTY IN SOUTH CENTRAL MISSOURI...
  LACLEDE COUNTY IN SOUTHWEST MISSOURI...
  PULASKI COUNTY IN CENTRAL MISSOURI...
  SOUTHEASTERN CAMDEN COUNTY IN CENTRAL MISSOURI...
  SOUTHWESTERN PHELPS COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 1130 PM CST.

* AT 1034 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 6 MILES SOUTHWEST OF LEBANON...MOVING EAST AT 65 MPH. THIS 
  STORM HAS A HISTORY OF PRODUCING FUNNEL CLOUDS.

* LOCATIONS IMPACTED INCLUDE BEULAH...CROCKER...DEVIL'S ELBOW...
  DIXON...DRY KNOB...ELDRIDGE...FALCON...FORT LEONARD WOOD...
  LAQUEY...LEBANON...OZARK SPRINGS...RICHLAND...SLEEPER...ST.
  ROBERT...STOUTLAND...SWEDEBORG...WAYNESVILLE AND WET GLAIZE.

INTERSTATE 44 BETWEEN MILE MARKERS 118 AND 171 WILL ALSO BE IMPACTED
BY THIS TORNADO.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO BASEBALL SIZE...AND 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 3756 9276 3786 9283 3801 9211 3801 9203
      3758 9181
TIME...MOT...LOC 0439Z 268DEG 56KT 3763 9265

$$

BOXELL
3 follow-up statements
324 
WWUS53 KSGF 280454
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1054 PM CST SUN FEB 27 2011

MOC029-280504-
/O.CAN.KSGF.TO.W.0008.000000T0000Z-110228T0530Z/
CAMDEN MO-
1054 PM CST SUN FEB 27 2011

...THE TORNADO WARNING FOR SOUTHEASTERN CAMDEN COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST MONDAY MORNING FOR
SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

&&

LAT...LON 3758 9181 3759 9256 3780 9258 3781 9257
      3780 9254 3784 9249 3783 9245 3785 9244
      3786 9241 3788 9241 3801 9211 3801 9203
TIME...MOT...LOC 0454Z 268DEG 56KT 3763 9235

$$

MOC105-161-169-215-280530-
/O.CON.KSGF.TO.W.0008.000000T0000Z-110228T0530Z/
TEXAS MO-LACLEDE MO-PULASKI MO-PHELPS MO-
1054 PM CST SUN FEB 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CST FOR
SOUTHWESTERN PHELPS...PULASKI...NORTHEASTERN LACLEDE AND EXTREME
NORTHWESTERN TEXAS COUNTIES...

AT 1049 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO NEAR DRY KNOB...OR 12 MILES EAST OF LEBANON...
MOVING EAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE BEULAH...DEVIL'S ELBOW...DIXON...DRY
KNOB...FALCON...FORT LEONARD WOOD...LAQUEY...OZARK SPRINGS...
RICHLAND...ST. ROBERT...STOUTLAND...SWEDEBORG AND WAYNESVILLE.

INTERSTATE 44 BETWEEN MILE MARKERS 135 AND 171 WILL ALSO BE IMPACTED
BY THIS TORNADO.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE...AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST MONDAY MORNING FOR
SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

&&

LAT...LON 3758 9181 3759 9256 3780 9258 3781 9257
      3780 9254 3784 9249 3783 9245 3785 9244
      3786 9241 3788 9241 3801 9211 3801 9203
TIME...MOT...LOC 0454Z 268DEG 56KT 3763 9235

$$

BOXELL
829 
WWUS53 KSGF 280509
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1109 PM CST SUN FEB 27 2011

MOC105-280519-
/O.CAN.KSGF.TO.W.0008.000000T0000Z-110228T0530Z/
LACLEDE MO-
1109 PM CST SUN FEB 27 2011

...THE TORNADO WARNING FOR NORTHEASTERN LACLEDE COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST MONDAY MORNING FOR
SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

&&

LAT...LON 3758 9181 3759 9225 3765 9225 3768 9233
      3781 9241 3788 9241 3801 9211 3801 9203
TIME...MOT...LOC 0509Z 268DEG 56KT 3763 9205

$$

MOC161-169-215-280530-
/O.CON.KSGF.TO.W.0008.000000T0000Z-110228T0530Z/
TEXAS MO-PULASKI MO-PHELPS MO-
1109 PM CST SUN FEB 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CST FOR
SOUTHWESTERN PHELPS...PULASKI AND EXTREME NORTHWESTERN TEXAS
COUNTIES...

AT 1104 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO NEAR SOUTHERN FORT LEONARD WOOD...OR 14 MILES
SOUTH OF WAYNESVILLE...MOVING EAST AT 65 MPH. THIS STORM HAS A 
HISTORY OF PRODUCING FUNNEL CLOUDS AND GOLF BALL SIZED HAIL.

LOCATIONS IMPACTED INCLUDE BEULAH...DEVIL'S ELBOW...DIXON...FORT
LEONARD WOOD...LAQUEY...OZARK SPRINGS...RICHLAND...ST. ROBERT...
SWEDEBORG AND WAYNESVILLE.

INTERSTATE 44 BETWEEN MILE MARKERS 147 AND 171 WILL ALSO BE IMPACTED
BY THIS TORNADO.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE 
DAMAGING HAIL UP TO GOLF BALL SIZE...AND DESTRUCTIVE STRAIGHT LINE 
WINDS IN EXCESS OF 70 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN SPRINGFIELD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST MONDAY MORNING FOR
SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

&&

LAT...LON 3758 9181 3759 9225 3765 9225 3768 9233
      3781 9241 3788 9241 3801 9211 3801 9203
TIME...MOT...LOC 0509Z 268DEG 56KT 3763 9205

$$
BOXELL
393 
WWUS53 KSGF 280523
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1123 PM CST SUN FEB 27 2011

MOC161-169-215-280534-
/O.EXP.KSGF.TO.W.0008.000000T0000Z-110228T0530Z/
TEXAS MO-PULASKI MO-PHELPS MO-
1123 PM CST SUN FEB 27 2011

...THE TORNADO WARNING FOR SOUTHWESTERN PHELPS...PULASKI AND EXTREME
NORTHWESTERN TEXAS COUNTIES WILL EXPIRE AT 1130 PM CST...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM THAT
PROMPTED THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN ALLOWED
TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CST MONDAY MORNING FOR
SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

LAT...LON 3758 9181 3759 9225 3765 9225 3768 9233
      3781 9241 3788 9241 3801 9211 3801 9203
TIME...MOT...LOC 0524Z 268DEG 56KT 3763 9175

$$

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 8:39 PM CSTTornado WarningSGFBarton, Jasper51 min
Feb 27, 9:14 PM CSTTornado WarningSGFBarton, Cedar, Dade46 min
Feb 27, 9:19 PM CSTTornado WarningSGFMiller, Morgan26 min
Feb 27, 9:36 PM CSTSevere Thunderstorm WarningSGFCamden, Maries, Miller, Pulaski39 min
Feb 27, 9:42 PM CSTSevere Thunderstorm WarningSGFBarton, Vernon47 min
Feb 27, 9:44 PM CSTTornado WarningSGFPolk46 min
Feb 27, 9:54 PM CSTSevere Thunderstorm WarningSGFCedar, Dade51 min
Feb 27, 10:03 PM CSTSevere Thunderstorm WarningSGFJasper, Newton42 min
Feb 27, 10:07 PM CSTTornado WarningSGFDallas, Laclede, Polk38 min
Feb 27, 10:15 PM CSTSevere Thunderstorm WarningSGFHickory, Polk45 min
Feb 27, 10:35 PM CSTSevere Thunderstorm WarningSGFDade, Lawrence38 min
Feb 27, 10:38 PM CSTSevere Thunderstorm WarningSGFCamden, Dallas, Hickory, Laclede52 min
Feb 27, 10:59 PM CSTSevere Thunderstorm WarningSGFGreene17 min
Feb 27, 11:15 PM CSTSevere Thunderstorm WarningSGFCamden, Laclede, Maries, Miller, Phelps, Pulaski and 3 more45 min
Feb 27, 11:31 PM CSTTornado WarningSGFDent, Phelps17 min
Feb 27, 11:45 PM CSTSevere Thunderstorm WarningSGFDent, Phelps, Shannon, Texas45 min
Feb 28, 2:25 PM CSTRiver Flood WarningSGFVernon40 hr

Nearby

Tornado Warnings in Missouri, 2011Every tornado warning in 2011Tornadoes in 2011

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.