Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 79, NWS Springfield, MO

April 29, 2012Bourbon County, Cherokee County, Crawford County, Kansas; Barton County, Vernon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 29, 2012, 4:59 AM CDT for Bourbon County, Cherokee County, Crawford County, Kansas; Barton County, Vernon County, Missouri. It was in force for 46 min. 4 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
Apr 29, 2012, 4:59 AM CDT (09:59 UTC)
Expired
Apr 29, 2012, 5:45 AM CDT
In force
46 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barton County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 126 km from the middle of the area, began a volume at 09:58 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
Apr 29, 5:04 AM CDTTSTM WND GST 60Cherokee, KSSPOTTER REPORTED WINDS AT 45 GUSTING TO 60.
Apr 29, 5:04 AM CDTHAIL 1Cherokee, KS
Apr 29, 5:13 AM CDTHAIL 0.75Pittsburg, KS
Apr 29, 5:38 AM CDTHAIL 0.753 W Columbus, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 10.0 hours before the alert went out and 101 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 2012-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1804 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2012-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1804 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
927 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

525 
WUUS53 KSGF 290959
SVRSGF
KSC011-021-037-MOC011-217-291045-
/O.NEW.KSGF.SV.W.0079.120429T0959Z-120429T1045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
459 AM CDT SUN APR 29 2012

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BOURBON COUNTY IN SOUTHEAST KANSAS...
  CHEROKEE COUNTY IN SOUTHEAST KANSAS...
  CRAWFORD COUNTY IN SOUTHEAST KANSAS...
  WESTERN BARTON COUNTY IN SOUTHWEST MISSOURI...
  SOUTHWESTERN VERNON COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 545 AM CDT

* AT 458 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM GIRARD TO WEIR TO 12 MILES SOUTHWEST OF
  COLUMBUS...AND MOVING EAST AT 40 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
           DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  WEIR...COLUMBUS...PITTSBURG...FRONTENAC...ENGLEVALE...ARMA...
  VERDELLA...MULBERRY...MINDENMINES...ARCADIA...LIBERAL...
  STIPPVILLE...RINGO...LONE OAK...CHICOPEE...POLK...PAWNEE STATION...
  FRANKLIN...CROWEBURG AND YALE.

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 3730 9504 3754 9506 3790 9453 3757 9425
      3736 9456 3736 9462 3732 9462 3716 9470
      3699 9504 3700 9507 3700 9508 3718 9509
TIME...MOT...LOC 0959Z 249DEG 34KT 3750 9478 3732 9478
          3704 9499

HAIL...1.00IN
WIND...60 MPH

$$

SCHAUMANN
1 follow-up statement
075 
WWUS53 KSGF 291011
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
511 AM CDT SUN APR 29 2012

KSC011-021-037-MOC011-217-291045-
/O.CON.KSGF.SV.W.0079.000000T0000Z-120429T1045Z/
BOURBON KS-CHEROKEE KS-CRAWFORD KS-BARTON MO-VERNON MO-
511 AM CDT SUN APR 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
VERNON...WESTERN BARTON...CRAWFORD...CHEROKEE AND SOUTHEASTERN
BOURBON COUNTIES UNTIL 545 AM CDT...

AT 508 AM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM ARCADIA TO WEIR TO 7 MILES SOUTH OF COLUMBUS...
AND MOVING EAST AT 40 MPH.

HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
         DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
VERDELLA...LIBERAL...HANNON...BRONAUGH...OPOLIS...DEERFIELD...
MOUNDVILLE...CRESTLINE...IANTHA AND IRWIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3730 9504 3754 9506 3790 9453 3757 9425
      3736 9456 3736 9462 3732 9462 3716 9470
      3699 9504 3700 9507 3700 9508 3718 9509
TIME...MOT...LOC 1012Z 249DEG 34KT 3765 9450 3736 9466
          3708 9485

HAIL...1.00IN
WIND...60 MPH

$$

SCHAUMANN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 3:55 AM CDTSpecial Weather StatementSGFCherokee, Crawford35 min
Apr 29, 4:07 AM CDTSevere Thunderstorm WarningSGFCherokee, Crawford38 min
Apr 29, 6:13 AM CDTFlash Flood WarningSGFCherokee, Crawford6 hr
Apr 29, 2:53 PM CDTFlash Flood WatchSGFBourbon, Cherokee, Crawford40 hr
Apr 29, 4:18 AM CDTDense Fog AdvisorySGFCamden, Dallas, Laclede, Maries, Miller, Morgan and 2 more6 hr
Apr 29, 5:08 AM CDTSevere Thunderstorm WarningSGFCedar, Dade, Hickory, Polk52 min
Apr 29, 5:25 AM CDTSevere Thunderstorm WarningSGFBarton, Cedar, St. Clair, Vernon50 min
Apr 29, 5:43 AM CDTSevere Thunderstorm WarningSGFCamden, Dallas, Hickory32 min
Apr 29, 5:58 AM CDTSevere Thunderstorm WarningSGFCedar, Dade62 min
Apr 29, 6:35 AM CDTSevere Thunderstorm WarningSGFCamden, Dallas, Hickory40 min
Apr 29, 6:47 AM CDTSevere Thunderstorm WarningSGFPolk27 min
Apr 29, 7:20 AM CDTSpecial Weather StatementSGFDade40 min
Apr 29, 7:26 AM CDTSpecial Weather StatementSGFMiller49 min
Apr 29, 8:14 AM CDTAreal Flood AdvisorySGFBarton, Camden, Cedar, Dade, Dallas, Hickory and 1 more6 hr
Apr 29, 8:33 AM CDTFlash Flood WarningSGFCamden, Dallas, Hickory, Polk5 hr
Apr 29, 8:38 AM CDTSpecial Weather StatementSGFGreene37 min
Apr 29, 9:07 AM CDTSpecial Weather StatementSGFDallas23 min
Apr 29, 9:32 AM CDTSpecial Weather StatementSGFLaclede28 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.