Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 68, NWS Wichita, KS

April 30, 2012Labette County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 30, 2012, 8:47 PM CDT for Labette County, Kansas. It was in force for 43 min. 3 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 30, 2012, 8:47 PM CDT (01:47 UTC)
Expired
Apr 30, 2012, 9:30 PM CDT
In force
43 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Labette County, KS

The radar

The Tulsa radar (KINX), 110 km from the middle of the area, began a volume at 01:47 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 30, 8:48 PM CDTHAIL 0.753 N Edna, KS
Apr 30, 9:11 PM CDTTSTM WND GST 70Altamont, KS
Apr 30, 9:11 PM CDTHAIL 1Altamont, KS

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.

IssuedProductOfficeLasted
Apr 30, 7:30 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.8 hours before the alert went out and 133 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 2012-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 202 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 2012-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
202 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1176 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

438 
WUUS53 KICT 010147
SVRICT
KSC099-010230-
/O.NEW.KICT.SV.W.0068.120501T0147Z-120501T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
847 PM CDT MON APR 30 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LABETTE COUNTY IN SOUTHEAST KANSAS...

* UNTIL 930 PM CDT

* AT 843 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR EDNA...AND
  MOVING NORTHEAST AT 25 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...
  ALTAMONT...OSWEGO AND LABETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3704 9537 3717 9546 3735 9508 3709 9507
TIME...MOT...LOC 0147Z 241DEG 22KT 3712 9534

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

$$

KETCHAM
3 follow-up statements
806 
WWUS53 KICT 010159
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
859 PM CDT MON APR 30 2012

KSC099-010230-
/O.CON.KICT.SV.W.0068.000000T0000Z-120501T0230Z/
LABETTE KS-
859 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
LABETTE COUNTY UNTIL 930 PM CDT...

AT 858 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ALTAMONT...AND
MOVING NORTHEAST AT 15 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...
OSWEGO AND LABETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3704 9537 3717 9546 3735 9508 3709 9507
TIME...MOT...LOC 0200Z 228DEG 14KT 3718 9528

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

$$

JAKUB
760 
WWUS53 KICT 010217
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
917 PM CDT MON APR 30 2012

KSC099-010230-
/O.CON.KICT.SV.W.0068.000000T0000Z-120501T0230Z/
LABETTE KS-
917 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
LABETTE COUNTY UNTIL 930 PM CDT...

AT 912 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ALTAMONT...AND
MOVING NORTHEAST AT 25 MPH.

HAZARD...PING PONG BALL SIZE HAIL AND 70 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES...ROOFS AND WINDOWS. TREE BRANCHES UP TO
         THREE INCHES IN DIAMETER BROKEN. POSSIBLE MINOR DAMAGE TO
         SHINGLE ROOFS AND METAL OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EASTERN LABETTE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3717 9508 3715 9528 3721 9537 3735 9508
TIME...MOT...LOC 0217Z 215DEG 20KT 3726 9521

HAIL...1.50IN
WIND...70 MPH

$$

JAKUB
289 
WWUS53 KICT 010231
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
931 PM CDT MON APR 30 2012

KSC099-010241-
/O.EXP.KICT.SV.W.0068.000000T0000Z-120501T0230Z/
LABETTE KS-
931 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LABETTE COUNTY
HAS EXPIRED...

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

LAT...LON 3717 9508 3715 9528 3721 9537 3735 9508
TIME...MOT...LOC 0217Z 215DEG 20KT 3726 9521

$$

JAKUB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:39 PM CDTSevere Thunderstorm WarningICTHarper66 min
Apr 30, 8:08 PM CDTSevere Thunderstorm WarningICTKingman67 min
Apr 30, 8:17 PM CDTTornado WarningICTKingman26 min
Apr 30, 8:19 PM CDTTornado WarningICTHarper56 min
Apr 30, 8:33 PM CDTSevere Thunderstorm WarningICTChautauqua14 min
Apr 30, 8:45 PM CDTSpecial Weather StatementICTKingman45 min
Apr 30, 9:11 PM CDTSevere Thunderstorm WarningICTLabette, Montgomery47 min
Apr 30, 9:12 PM CDTSevere Thunderstorm WarningICTLabette, Neosho63 min
Apr 30, 9:15 PM CDTTornado WarningICTHarper15 min
Apr 30, 9:23 PM CDTSevere Thunderstorm WarningICTChautauqua, Elk46 min
Apr 30, 9:52 PM CDTAreal Flood WarningICTLabette, Montgomery12 hr
Apr 30, 9:53 PM CDTSpecial Weather StatementICTSedgwick67 min
Apr 30, 9:56 PM CDTSpecial Weather StatementICTNeosho64 min
Apr 30, 10:08 PM CDTSevere Thunderstorm WarningICTLabette51 min
Apr 30, 10:13 PM CDTSevere Thunderstorm WarningICTAllen, Neosho29 min
Apr 30, 10:14 PM CDTSevere Thunderstorm WarningICTButler, Cowley, Sedgwick, Sumner61 min
Apr 30, 10:29 PM CDTSevere Thunderstorm WarningICTHarper, Sumner26 min
Apr 30, 10:51 PM CDTSpecial Weather StatementICTGreenwood54 min
Apr 30, 10:53 PM CDTAreal Flood WarningICTChautauqua12 hr
Apr 30, 11:06 PM CDTSpecial Weather StatementICTElk54 min
Apr 30, 11:11 PM CDTSpecial Weather StatementICTCowley64 min
Apr 30, 11:19 PM CDTSpecial Weather StatementICTLabette26 min
May 1, 12:05 AM CDTSpecial Weather StatementICTLabette25 min
May 1, 12:16 AM CDTSpecial Weather StatementICTLabette, Montgomery44 min
May 1, 12:59 AM CDTSpecial Weather StatementICTLabette31 min
May 1, 1:22 AM CDTSevere Thunderstorm WarningICTLabette25 min
May 1, 6:20 AM CDTSpecial Weather StatementICTChase, Marion25 min
May 1, 6:50 AM CDTSevere Thunderstorm WarningICTMarion27 min
May 1, 8:55 AM CDTRiver Flood WarningICTMontgomery, Wilson6 hr
May 1, 9:54 AM CDTAreal Flood WarningICTChautauqua, Labette, Montgomery6 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.