Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 76, NWS Topeka, KS

May 30, 2012Shawnee County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at May 30, 2012, 7:58 PM CDT for Shawnee County, Kansas. It was in force for 32 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
May 30, 2012, 7:58 PM CDT (00:58 UTC)
Expired
May 30, 2012, 8:30 PM CDT
In force
32 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Shawnee County, KS

The radar

The Topeka radar (KTWX), 52 km from the middle of the area, began a volume at 00:59 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
May 30, 8:06 PM CDTTSTM WND GST 60Topeka, KSRELAYED BY WIBW STUDIOS
May 30, 8:08 PM CDTTSTM WND GST 60Topeka, KSNEAR WIBW STUDIOS OFF OF WANAMAKER ROAD.
May 30, 8:08 PM CDTTSTM WND GST 704 W Topeka, KSPOWER OUTAGES REPORTED FROM NORTH TOPEKA WEST INTO WILLARD, ROSSVILLE AND SILVERLAKE.

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
May 30, 3:57 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.0 hours before the alert went out and 1 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, Topeka, KS at 00:00Z on 2012-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 219 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, Topeka, KS at 00:00Z on 2012-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
219 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
1880 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

685 
WUUS53 KTOP 310058
SVRTOP
KSC177-310130-
/O.NEW.KTOP.SV.W.0076.120531T0058Z-120531T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
758 PM CDT WED MAY 30 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 830 PM CDT

* AT 754 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR TOPEKA...AND
  MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
           BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  TOPEKA...PAULINE...BERRYTON...TECUMSEH...RICHLAND.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 167 AND 188.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3887 9569 3889 9587 3916 9580 3910 9559
      3907 9560 3905 9558 3907 9555 3907 9551
      3906 9550 3887 9550
TIME...MOT...LOC 0058Z 287DEG 29KT 3906 9573

HAIL...<.75IN
WIND...60 MPH

$$
1 follow-up statement
738 
WWUS53 KTOP 310110
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
810 PM CDT WED MAY 30 2012

KSC177-310130-
/O.CON.KTOP.SV.W.0076.000000T0000Z-120531T0130Z/
SHAWNEE KS-
810 PM CDT WED MAY 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
SHAWNEE COUNTY UNTIL 830 PM CDT...

AT 808 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CENTRAL
TOPEKA...AND MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...TRAINED WEATHER SPOTTERS. SEVERAL REPORTS OF WINDS OF 55 TO 
60 MPH WERE RECEIVED FROM THE WEST SIDE OF TOPEKA.

IMPACT...MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER
         BROKEN.

LOCATIONS IMPACTED INCLUDE...
TOPEKA...PAULINE...BERRYTON...TECUMSEH...RICHLAND...BILLARD AIRPORT
AND FORBES FIELD.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 169 AND 188.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3887 9550 3887 9569 3888 9580 3916 9580
      3910 9559 3907 9560 3905 9558 3907 9555
      3906 9552 3907 9551 3906 9550
TIME...MOT...LOC 0109Z 288DEG 28KT 3905 9571

HAIL...<.75IN
WIND...60 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:12 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Shawnee, Wabaunsee48 min
May 30, 8:24 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson, Shawnee32 min
May 30, 9:24 PM CDTSpecial Weather StatementTOPAnderson, Franklin36 min

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.