Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 78, NWS Springfield, MO

April 29, 2012Cherokee County, Crawford County, Kansas

NWS Springfield, MO issued this severe thunderstorm warning at Apr 29, 2012, 4:07 AM CDT for Cherokee County, Crawford County, Kansas. It was in force for 38 min. 2 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, 4:07 AM CDT (09:07 UTC)
Expired
Apr 29, 2012, 4:45 AM CDT
In force
38 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Cherokee County, KS, Crawford County, KS

The radar

The Springfield radar (KSGF), 128 km from the middle of the area, began a volume at 09:06 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, 4:24 AM CDTHAIL 12 Ese Cherokee, KS
Apr 29, 4:38 AM CDTHAIL 0.75Frontenac, 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, 9.1 hours before the alert went out and 110 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°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.

857 
WUUS53 KSGF 290907
SVRSGF
KSC021-037-290945-
/O.NEW.KSGF.SV.W.0078.120429T0907Z-120429T0945Z/

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHEROKEE COUNTY IN SOUTHEAST KANSAS...
  CRAWFORD COUNTY IN SOUTHEAST KANSAS...

* UNTIL 445 AM CDT

* AT 406 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WEST
  MINERAL...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  CARONA...WEIR...CHEROKEE...GIRARD...PITTSBURG...FRONTENAC...ARMA...
  ENGLEVALE...SCAMMON...MULBERRY...SKIDMORE...ROSELAND...BEULAH...
  CHICOPEE...LONE OAK...OPOLIS...RINGO...POLK...FARLINGTON AND
  FRANKLIN.

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 3768 9483 3767 9481 3756 9462 3728 9462
      3712 9490 3732 9508
TIME...MOT...LOC 0907Z 226DEG 35KT 3728 9490

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

$$

SCHAUMANN
2 follow-up statements
865 
WWUS53 KSGF 290921
SVSSGF

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

KSC021-037-290945-
/O.CON.KSGF.SV.W.0078.000000T0000Z-120429T0945Z/
CHEROKEE KS-CRAWFORD KS-
421 AM CDT SUN APR 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
CRAWFORD AND NORTHEASTERN CHEROKEE COUNTIES UNTIL 445 AM CDT...

AT 417 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SCAMMON...AND
MOVING NORTHEAST AT 40 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE...
SCAMMON...GIRARD...PITTSBURG...FRONTENAC...ARMA...ENGLEVALE...
BEULAH...CHICOPEE...LONE OAK...OPOLIS...RINGO...POLK...FRANKLIN... 
YALE AND CROWEBURG.

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 3733 9495 3764 9476 3756 9462 3728 9462
      3718 9480
TIME...MOT...LOC 0920Z 226DEG 35KT 3731 9479

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

$$

SCHAUMANN
787 
WWUS53 KSGF 290937
SVSSGF

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

KSC021-037-290946-
/O.EXP.KSGF.SV.W.0078.000000T0000Z-120429T0945Z/
CHEROKEE KS-CRAWFORD KS-
437 AM CDT SUN APR 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CRAWFORD AND
NORTHEASTERN CHEROKEE COUNTIES WILL EXPIRE AT 445 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS 
THUNDERSTORM...ALONG WITH FREQUENT CLOUD TO GROUND LIGHTNING.

LAT...LON 3733 9495 3764 9476 3756 9462 3728 9462
      3718 9480
TIME...MOT...LOC 0936Z 226DEG 35KT 3742 9465

$$

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, 4:59 AM CDTSevere Thunderstorm WarningSGFBourbon, Cherokee, Crawford46 min
Apr 29, 6:13 AM CDTFlash Flood WarningSGFCherokee, Crawford6 hr
Apr 29, 2:53 PM CDTFlash Flood WatchSGFBourbon, Cherokee, Crawford40 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 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.