Alert archive / Missouri / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 77, NWS Springfield, MO

April 27, 2012Benton County, Hickory County, St. Clair County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 27, 2012, 10:14 PM CDT for Benton County, Hickory County, St. Clair County, Missouri. It was in force for 15 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 27, 2012, 10:14 PM CDT (03:14 UTC)
Expired
Apr 27, 2012, 10:29 PM CDT
In force
15 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Benton County, MO, Hickory County, MO, St. Clair County, MO

The radar

The Springfield radar (KSGF), 85 km from the middle of the area, began a volume at 03:15 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, 3.2 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 2012-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 558 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
752 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
558 m²/s²
0-3 km storm-relative helicity
691 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

072 
WUUS53 KSGF 280314
SVRSGF
MOC015-085-185-280400-
/O.NEW.KSGF.SV.W.0077.120428T0314Z-120428T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1014 PM CDT FRI APR 27 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BENTON COUNTY IN CENTRAL MISSOURI...
  HICKORY COUNTY IN CENTRAL MISSOURI...
  SOUTHEASTERN ST. CLAIR COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 1100 PM CDT

* AT 1011 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  WEAUBLEAU...AND MOVING EAST AT 35 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.

* LOCATIONS IMPACTED INCLUDE...
  HERMITAGE...WHEATLAND...HARPER...QUINCY...NEMO...FRISTOE...
  PRESTON...CROSS TIMBERS...EDWARDS AND KNOBBY.

THIS WARNING ALSO INCLUDES POMME DE TERRE LAKE AND TRUMAN LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3817 9306 3790 9308 3790 9318 3785 9319
      3786 9365 3808 9358
TIME...MOT...LOC 0314Z 259DEG 32KT 3795 9355

HAIL...1.00IN
WIND...<50 MPH

$$

KARDELL
2 follow-up statements
499 
WWUS53 KSGF 280323
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1023 PM CDT FRI APR 27 2012

MOC185-280332-
/O.CAN.KSGF.SV.W.0077.000000T0000Z-120428T0400Z/
ST. CLAIR MO-
1023 PM CDT FRI APR 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ST. CLAIR COUNTY
IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3791 9307 3790 9309 3790 9318 3785 9319
      3786 9357 3791 9357 3792 9351 3809 9350
      3817 9306
TIME...MOT...LOC 0322Z 259DEG 32KT 3796 9346

$$

MOC015-085-280400-
/O.CON.KSGF.SV.W.0077.000000T0000Z-120428T0400Z/
BENTON MO-HICKORY MO-
1023 PM CDT FRI APR 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR HICKORY AND
SOUTHERN BENTON COUNTIES UNTIL 1100 PM CDT...

AT 1020 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WHEATLAND...
AND MOVING EAST AT 35 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS.

LOCATIONS IMPACTED INCLUDE...
HERMITAGE...WHEATLAND...NEMO...FRISTOE...PRESTON...CROSS TIMBERS...
EDWARDS AND KNOBBY.

THIS WARNING ALSO INCLUDES POMME DE TERRE LAKE AND TRUMAN LAKE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3791 9307 3790 9309 3790 9318 3785 9319
      3786 9357 3791 9357 3792 9351 3809 9350
      3817 9306
TIME...MOT...LOC 0322Z 259DEG 32KT 3796 9346

HAIL...1.00IN
WIND...<50 MPH

$$

KARDELL
711 
WWUS53 KSGF 280329
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1029 PM CDT FRI APR 27 2012

MOC015-085-280339-
/O.CAN.KSGF.SV.W.0077.000000T0000Z-120428T0400Z/
BENTON MO-HICKORY MO-
1029 PM CDT FRI APR 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR HICKORY AND SOUTHERN BENTON
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

LAT...LON 3791 9307 3790 9309 3790 9318 3785 9319
      3786 9357 3791 9357 3792 9351 3809 9350
      3817 9306
TIME...MOT...LOC 0329Z 259DEG 32KT 3797 9338

$$

KARDELL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 9:04 PM CDTSevere Thunderstorm WarningSGFVernon20 min
Apr 27, 9:36 PM CDTSevere Thunderstorm WarningSGFCedar, St. Clair39 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2012Every severe thunderstorm warning 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.