Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 59, NWS Wichita, KS

April 29, 2012Harper County, Sumner County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 29, 2012, 12:49 AM CDT for Harper County, Sumner County, Kansas. It was in force for 41 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 29, 2012, 12:49 AM CDT (05:49 UTC)
Expired
Apr 29, 2012, 1:30 AM CDT
In force
41 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Harper County, KS, Sumner County, KS

The radar

The Vance AFB radar (KVNX), 56 km from the middle of the area, began a volume at 05:50 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

Lamont, OK (KLMN), launched 00:00Z, 5.8 hours before the alert went out and 67 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, Lamont, OK at 00:00Z on 2012-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 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, Lamont, OK at 00:00Z on 2012-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
167 J/kg
Mixed-layer CIN
-203 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

594 
WUUS53 KICT 290549
SVRICT
KSC077-191-290630-
/O.NEW.KICT.SV.W.0059.120429T0549Z-120429T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
1249 AM CDT SUN APR 29 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN HARPER COUNTY IN SOUTH CENTRAL KANSAS...
  WESTERN SUMNER COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 130 AM CDT

* AT 1245 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES
  SOUTHEAST OF MANCHESTER...AND MOVING NORTH AT 35 MPH.

  HAZARD...HALF DOLLAR 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...
  BLUFF CITY...ARGONIA...FREEPORT...MILAN...DANVILLE AND RUNNYMEDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9778 3699 9799 3739 9799 3739 9781
      3740 9780 3738 9765 3699 9768 3699 9769
TIME...MOT...LOC 0549Z 185DEG 28KT 3698 9789

HAIL...1.25IN
WIND...60 MPH

$$

BILLINGS
3 follow-up statements
747 
WWUS53 KICT 290605
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
105 AM CDT SUN APR 29 2012

KSC077-191-290630-
/O.CON.KICT.SV.W.0059.000000T0000Z-120429T0630Z/
SUMNER KS-HARPER KS-
105 AM CDT SUN APR 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN HARPER
AND WESTERN SUMNER COUNTIES UNTIL 130 AM CDT...

AT 104 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BLUFF CITY...
AND MOVING NORTHEAST AT 35 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...
ARGONIA...FREEPORT...DANVILLE...RUNNYMEDE AND MILAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9778 3699 9799 3739 9799 3739 9781
      3740 9780 3738 9765 3699 9768 3699 9769
TIME...MOT...LOC 0606Z 205DEG 29KT 3709 9780

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

$$

BILLINGS
697 
WWUS53 KICT 290619
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
119 AM CDT SUN APR 29 2012

KSC077-290630-
/O.CAN.KICT.SV.W.0059.000000T0000Z-120429T0630Z/
HARPER KS-
119 AM CDT SUN APR 29 2012

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

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

LAT...LON 3700 9778 3700 9780 3740 9780 3738 9765
      3699 9768 3699 9769
TIME...MOT...LOC 0620Z 205DEG 29KT 3719 9774

$$

KSC191-290630-
/O.CON.KICT.SV.W.0059.000000T0000Z-120429T0630Z/
SUMNER KS-
119 AM CDT SUN APR 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN SUMNER
COUNTY UNTIL 130 AM CDT...

AT 118 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTH OF
ARGONIA...AND MOVING NORTHEAST AT 35 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...
ARGONIA AND MILAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 9778 3700 9780 3740 9780 3738 9765
      3699 9768 3699 9769
TIME...MOT...LOC 0620Z 205DEG 29KT 3719 9774

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

$$

BILLINGS
761 
WWUS53 KICT 290630
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
130 AM CDT SUN APR 29 2012

KSC191-290641-
/O.EXP.KICT.SV.W.0059.000000T0000Z-120429T0630Z/
SUMNER KS-
130 AM CDT SUN APR 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SUMNER COUNTY HAS
EXPIRED...

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.

LAT...LON 3700 9778 3700 9780 3740 9780 3738 9765
      3699 9768 3699 9769
TIME...MOT...LOC 0619Z 205DEG 29KT 3718 9774

$$

BILLINGS

The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 29, 1:09 AM CDTSpecial Weather StatementICTSumner36 min
Apr 29, 1:30 AM CDTSevere Thunderstorm WarningICTCowley, Sumner60 min
Apr 29, 2:18 AM CDTSpecial Weather StatementICTButler27 min
Apr 29, 3:53 AM CDTSpecial Weather StatementICTMontgomery37 min
Apr 29, 4:13 AM CDTSpecial Weather StatementICTLabette32 min
Apr 29, 9:16 AM CDTAreal Flood WarningICTChautauqua, Montgomery4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.