Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 5, NWS Wichita, KS

February 20, 2012Butler County, Sedgwick County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Feb 20, 2012, 4:15 PM CST for Butler County, Sedgwick County, Kansas. It was in force for 44 min. 7 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
Feb 20, 2012, 4:15 PM CST (22:15 UTC)
Expired
Feb 20, 2012, 4:59 PM CST
In force
44 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Butler County, KS, Sedgwick County, KS

The radar

The Wichita radar (KICT), 43 km from the middle of the area, began a volume at 22:17 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
Feb 20, 4:16 PM CSTHAIL 0.88Rose Hill, KS
Feb 20, 4:17 PM CSTTSTM WND DMGAndover, KSREPORT OF ROOF TORN OFF BUILDING AND CARS MOVED IN A PARKING LOT. RELAYED BY BUTLER COUNTY EMERGENCY MANAGEMENT.
Feb 20, 4:21 PM CSTHAIL 1Benton, KS
Feb 20, 4:26 PM CSTTSTM WND DMG6 E Andover, KSSHED DAMAGED AND BLOWN INTO ROADWAY AT HIGHWAY 400 AND SANTE FE LAKE ROAD.
Feb 20, 4:39 PM CSTTSTM WND GST 60El Dorado, KSAT TURNPIKE EXIT.
Feb 20, 4:39 PM CSTHAIL 0.75El Dorado, KSAT TURNPIKE EXIT.
Feb 20, 5:01 PM CSTHAIL 0.75Cassoday, 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
Feb 20, 2:50 PM CSTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 10.3 hours before the alert went out and 138 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 12:00Z on 2012-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2012-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 430 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
887 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
430 m²/s²
0-3 km storm-relative helicity
464 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.

686 
WUUS53 KICT 202215
SVRICT
KSC015-173-202315-
/O.NEW.KICT.SV.W.0005.120220T2215Z-120220T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
415 PM CST MON FEB 20 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUTLER COUNTY IN SOUTH CENTRAL KANSAS...
  EASTERN SEDGWICK COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 515 PM CST

* AT 412 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST
  OF PARK CITY TO ANDOVER TO MULVANE...AND MOVING NORTHEAST AT 35
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  EL DORADO...ROSE HILL...WHITEWATER...TOWANDA...AUGUSTA...
  DOUGLASS...POTWIN...LEON...LATHAM...CASSODAY...BENTON...EL DORADO
  LAKE AND ROSALIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3763 9724 3791 9717 3791 9715 3797 9715
      3809 9660 3808 9653 3748 9653 3747 9725
TIME...MOT...LOC 2215Z 246DEG 32KT 3786 9721 3767 9713
          3749 9720
WIND...HAIL 60MPH 1.00IN

$$
3 follow-up statements
603 
WWUS53 KICT 202228
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
428 PM CST MON FEB 20 2012

KSC173-202239-
/O.CAN.KICT.SV.W.0005.000000T0000Z-120220T2315Z/
SEDGWICK KS-
428 PM CST MON FEB 20 2012

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

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 3747 9714 3797 9715 3809 9662 3808 9653
      3748 9653
TIME...MOT...LOC 2229Z 246DEG 32KT 3791 9706 3772 9699
          3754 9706

$$

KSC015-202315-
/O.CON.KICT.SV.W.0005.000000T0000Z-120220T2315Z/
BUTLER KS-
428 PM CST MON FEB 20 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BUTLER COUNTY
UNTIL 515 PM CST...

AT 427 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM POTWIN TO AUGUSTA TO DOUGLASS...
MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  EL DORADO...AUGUSTA...DOUGLASS...POTWIN...LEON...LATHAM...
  CASSODAY...EL DORADO LAKE AND ROSALIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3747 9714 3797 9715 3809 9662 3808 9653
      3748 9653
TIME...MOT...LOC 2229Z 246DEG 32KT 3791 9706 3772 9699
          3754 9706
WIND...HAIL 60MPH 1.00IN

$$

JAKUB
100 
WWUS53 KICT 202241
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
441 PM CST MON FEB 20 2012

KSC015-202315-
/O.CON.KICT.SV.W.0005.000000T0000Z-120220T2315Z/
BUTLER KS-
441 PM CST MON FEB 20 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR BUTLER COUNTY
UNTIL 515 PM CST...

AT 436 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES EAST OF POTWIN TO EL
DORADO TO 8 MILES NORTHEAST OF DOUGLASS...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  LEON...LATHAM...CASSODAY...EL DORADO LAKE AND ROSALIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3800 9703 3809 9662 3808 9653 3748 9653
      3747 9693
TIME...MOT...LOC 2241Z 246DEG 32KT 3797 9685 3778 9678
          3760 9685
WIND...HAIL 60MPH 1.00IN

$$

JAKUB
187 
WWUS53 KICT 202259
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
459 PM CST MON FEB 20 2012

KSC015-202309-
/O.CAN.KICT.SV.W.0005.000000T0000Z-120220T2315Z/
BUTLER KS-
459 PM CST MON FEB 20 2012

...THE SEVERE THUNDERSTORM WARNING FOR BUTLER COUNTY IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY...HOWEVER DIME SIZE HAIL AND GUSTY WINDS UP TO 50 MPH ARE 
STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 3800 9703 3809 9662 3808 9653 3748 9653
      3747 9693
TIME...MOT...LOC 2259Z 246DEG 32KT 3803 9666 3784 9659
          3766 9667

$$

JAKUB

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 3:05 PM CSTSevere Thunderstorm WarningICTHarper, Kingman25 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.