Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 7, NWS Springfield, MO

February 27, 20114 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Feb 27, 2011, 10:38 PM CST for 4 counties in Missouri. It was in force for 52 min. 9 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, 10:38 PM CST (04:38 UTC)
Expired: Feb 27, 2011, 11:30 PM CST
In force: 52 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Camden County, MO, Dallas County, MO, Hickory County, MO, Laclede County, MO

The radar

The Springfield radar (KSGF), 60 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

Time	Report	Where	Remark
Feb 27, 10:38 PM CST	HAIL 0.88	Lebanon, MO
Feb 27, 10:40 PM CST	HAIL 0.88	3 W Lebanon, MO
Feb 27, 10:43 PM CST	HAIL 1	Leadmine, MO	CORRECTION FOR LOCATION.
Feb 27, 10:43 PM CST	HAIL 1	Lebanon, MO
Feb 27, 10:46 PM CST	HAIL 1.5	4 Se Lebanon, MO
Feb 27, 10:51 PM CST	HAIL 0.75	Buffalo, MO
Feb 27, 11:00 PM CST	HAIL 1	Buffalo, MO
Feb 27, 11:09 PM CST	HAIL 1.75	4 Sw Lebanon, MO
Feb 27, 11:14 PM CST	HAIL 0.88	1 N Conway, 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.

Issued	Product	Office	Lasted
Feb 27, 7:24 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.6 hours before the alert went out and 111 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

259 
WUUS53 KSGF 280438
SVRSGF
MOC029-059-085-105-280530-
/O.NEW.KSGF.SV.W.0007.110228T0438Z-110228T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1038 PM CST SUN FEB 27 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMDEN COUNTY IN CENTRAL MISSOURI...
  DALLAS COUNTY IN SOUTHWEST MISSOURI...
  EASTERN HICKORY COUNTY IN CENTRAL MISSOURI...
  WESTERN LACLEDE COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 1130 PM CST.

* AT 1034 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM HERMITAGE TO 7
  MILES SOUTHWEST OF LOUISBURG TO 15 MILES WEST OF FOOSE...MOVING
  EAST AT 70 MPH. THESE STORMS ARE CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

* LOCATIONS IMPACTED INCLUDE BENNETT SPRINGS...BRANCH...BUFFALO...
  CAMDENTON...CHARITY...CONWAY...CROSS TIMBERS...DECATURVILLE...
  ELDRIDGE...FOOSE...GREEN BAY TERRACE...HERMITAGE...LEADMINE...
  LEBANON...LINN CREEK...LONG LANE...LOUISBURG...MACKS CREEK...
  MARCH...MORGAN...NEMO...OLD LINN CREEK...OLIVE...PHILLIPSBURG...
  PITTSBURG...PLAD...PRESTON...PUMPKIN CENTER...ROACH...SLEEPER...
  TUNAS...TWIN BRIDGES...URBANA AND WINDYVILLE.

OTHER LOCATIONS IN THE WARNING INCLUDE BENNETT SPRING STATE PARK...
LAKE OF THE OZARKS STATE PARK...LAKE OF THE OZARKS AND POMME DE TERRE
LAKE. INTERSTATE 44 BETWEEN MILE MARKERS 110 AND 134 WILL ALSO BE
IMPACTED BY THESE STORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN THEIR PATH SEEK SHELTER INDOORS AND
STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 3749 9255 3748 9257 3749 9307 3744 9308
      3744 9318 3773 9318 3773 9320 3779 9320
      3781 9333 3799 9338 3813 9261
TIME...MOT...LOC 0439Z 262DEG 62KT 3792 9319 3770 9313
          3751 9331
WIND...HAIL 70MPH 1.00IN

$$

SCHAUMANN

3 follow-up statements

761 
WUUS53 KSGF 280441 CCA
SVRSGF
MOC029-059-085-105-280530-
/O.COR.KSGF.SV.W.0007.110228T0438Z-110228T0530Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1038 PM CST SUN FEB 27 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMDEN COUNTY IN CENTRAL MISSOURI...
  DALLAS COUNTY IN SOUTHWEST MISSOURI...
  EASTERN HICKORY COUNTY IN CENTRAL MISSOURI...
  WESTERN LACLEDE COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 1130 PM CST.

* AT 1034 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM HERMITAGE TO 7
  MILES SOUTHWEST OF LOUISBURG TO 15 MILES WEST OF FOOSE...MOVING
  EAST AT 70 MPH. THESE STORMS ARE CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

* LOCATIONS IMPACTED INCLUDE BENNETT SPRINGS...BRANCH...BUFFALO...
  CAMDENTON...CHARITY...CONWAY...CROSS TIMBERS...DECATURVILLE...
  ELDRIDGE...FOOSE...GREEN BAY TERRACE...HERMITAGE...LEADMINE...
  LEBANON...LINN CREEK...LONG LANE...LOUISBURG...MACKS CREEK...
  MARCH...MORGAN...NEMO...OLD LINN CREEK...OLIVE...PHILLIPSBURG...
  PITTSBURG...PLAD...PRESTON...PUMPKIN CENTER...ROACH...SLEEPER...
  TUNAS...TWIN BRIDGES...URBANA AND WINDYVILLE.

OTHER LOCATIONS IN THE WARNING INCLUDE BENNETT SPRING STATE PARK...
LAKE OF THE OZARKS STATE PARK...LAKE OF THE OZARKS AND POMME DE TERRE
LAKE. INTERSTATE 44 BETWEEN MILE MARKERS 110 AND 134 WILL ALSO BE
IMPACTED BY THESE STORMS.

A TORNADO WARNING ALSO REMAINS IN EFFECT FOR LACLEDE AND 
SOUTHEASTERN CAMDEN COUNTIES UNTIL 1130 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN THEIR PATH SEEK SHELTER INDOORS AND
STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 3749 9255 3748 9257 3749 9307 3744 9308
      3744 9318 3773 9318 3773 9320 3779 9320
      3781 9333 3799 9338 3813 9261
TIME...MOT...LOC 0439Z 262DEG 62KT 3792 9319 3770 9313
          3751 9331
WIND...HAIL 70MPH 1.00IN

$$

SCHAUMANN

194 
WWUS53 KSGF 280453
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1053 PM CST SUN FEB 27 2011

MOC085-280502-
/O.CAN.KSGF.SV.W.0007.000000T0000Z-110228T0530Z/
HICKORY MO-
1053 PM CST SUN FEB 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HICKORY COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORMS HAVE PUSHED EAST INTO SOUTHERN CAMDEN AND 
DALLAS COUNTIES.

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

&&

LAT...LON 3813 9261 3749 9255 3748 9257 3749 9307
      3744 9308 3744 9318 3790 9311 3790 9308
      3804 9307
TIME...MOT...LOC 0452Z 262DEG 62KT 3794 9295 3772 9292
          3753 9303

$$

MOC029-059-105-280530-
/O.CON.KSGF.SV.W.0007.000000T0000Z-110228T0530Z/
LACLEDE MO-DALLAS MO-CAMDEN MO-
1053 PM CST SUN FEB 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CST
FOR CAMDEN...DALLAS AND WESTERN LACLEDE COUNTIES...

...A TORNADO WARNING IS ALSO IN EFFECT FOR LACLEDE AND SOUTHEASTERN 
CAMDEN COUNTIES UNTIL 1130 PM...

AT 1049 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM BRANCH TO
PLAD TO MARCH...MOVING EAST AT 70 MPH. THESE STORMS ARE CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.

LOCATIONS IMPACTED INCLUDE BUFFALO...CAMDENTON...CONWAY...LEBANON AND
MACKS CREEK.

OTHER LOCATIONS IN THE WARNING INCLUDE BENNETT SPRING STATE PARK...
LAKE OF THE OZARKS STATE PARK AND LAKE OF THE OZARKS. INTERSTATE 44
BETWEEN MILE MARKERS 110 AND 135 WILL ALSO BE IMPACTED BY THESE
STORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS.

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

&&

LAT...LON 3813 9261 3749 9255 3748 9257 3749 9307
      3744 9308 3744 9318 3790 9311 3790 9308
      3804 9307
TIME...MOT...LOC 0452Z 262DEG 62KT 3794 9295 3772 9292
          3753 9303
WIND...HAIL 60MPH 1.00IN

$$

SCHAUMANN

516 
WWUS53 KSGF 280518
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1118 PM CST SUN FEB 27 2011

MOC029-059-105-280530-
/O.CON.KSGF.SV.W.0007.000000T0000Z-110228T0530Z/
LACLEDE MO-DALLAS MO-CAMDEN MO-
1118 PM CST SUN FEB 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CST
FOR EASTERN CAMDEN...EAST CENTRAL DALLAS AND WESTERN LACLEDE
COUNTIES...

AT 1113 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES
NORTHEAST OF DECATURVILLE TO 7 MILES EAST OF SLEEPER TO TWIN
BRIDGES...MOVING EAST AT 70 MPH. THESE STORMS ARE CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.

LOCATIONS IMPACTED INCLUDE BENNETT SPRINGS...CAMDENTON...CONWAY...
DECATURVILLE...ELDRIDGE...LEBANON...LINN CREEK...MORGAN...
PHILLIPSBURG...SLEEPER AND TWIN BRIDGES.

OTHER LOCATIONS IN THE WARNING INCLUDE BENNETT SPRING STATE PARK...
LAKE OF THE OZARKS STATE PARK AND LAKE OF THE OZARKS. INTERSTATE 44
BETWEEN MILE MARKERS 110 AND 135 WILL ALSO BE IMPACTED BY THESE
STORMS.

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 3813 9261 3749 9255 3749 9294 3811 9272
TIME...MOT...LOC 0518Z 262DEG 62KT 3800 9238 3778 9236
          3759 9247
WIND...HAIL 60MPH 1.00IN

$$

BOXELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 27, 8:39 PM CST	Tornado Warning	SGF	Barton, Jasper	51 min
Feb 27, 9:14 PM CST	Tornado Warning	SGF	Barton, Cedar, Dade	46 min
Feb 27, 9:19 PM CST	Tornado Warning	SGF	Miller, Morgan	26 min
Feb 27, 9:36 PM CST	Severe Thunderstorm Warning	SGF	Camden, Maries, Miller, Pulaski	39 min
Feb 27, 9:42 PM CST	Severe Thunderstorm Warning	SGF	Barton, Vernon	47 min
Feb 27, 9:44 PM CST	Tornado Warning	SGF	Polk	46 min
Feb 27, 9:54 PM CST	Severe Thunderstorm Warning	SGF	Cedar, Dade	51 min
Feb 27, 10:03 PM CST	Severe Thunderstorm Warning	SGF	Jasper, Newton	42 min
Feb 27, 10:07 PM CST	Tornado Warning	SGF	Dallas, Laclede, Polk	38 min
Feb 27, 10:15 PM CST	Severe Thunderstorm Warning	SGF	Hickory, Polk	45 min
Feb 27, 10:35 PM CST	Severe Thunderstorm Warning	SGF	Dade, Lawrence	38 min
Feb 27, 10:39 PM CST	Tornado Warning	SGF	Camden, Laclede, Phelps, Pulaski, Texas	51 min
Feb 27, 10:59 PM CST	Severe Thunderstorm Warning	SGF	Greene	17 min
Feb 27, 11:15 PM CST	Severe Thunderstorm Warning	SGF	Camden, Laclede, Maries, Miller, Phelps, Pulaski and 3 more	45 min
Feb 27, 11:31 PM CST	Tornado Warning	SGF	Dent, Phelps	17 min
Feb 27, 11:45 PM CST	Severe Thunderstorm Warning	SGF	Dent, Phelps, Shannon, Texas	45 min
Feb 28, 2:25 PM CST	River Flood Warning	SGF	Vernon	40 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2011 Every severe thunderstorm warning 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.