Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Wichita, KS

February 28, 2012Labette County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Feb 28, 2012, 10:26 PM CST for Labette County, Kansas. It was in force for 9 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
Feb 28, 2012, 10:26 PM CST (04:26 UTC)
Expired
Feb 28, 2012, 10:35 PM CST
In force
9 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

County Labette County, KS

The radar

The Tulsa radar (KINX), 123 km from the middle of the area, began a volume at 04:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 28, 8:10 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.4 hours before the alert went out and 125 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 2012-02-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 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 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 482 square meters per square second.1939587897117136Sfc1 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
75 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
482 m²/s²
0-3 km storm-relative helicity
563 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

539 
WUUS53 KICT 290426
SVRICT
KSC099-290445-
/O.NEW.KICT.SV.W.0013.120229T0426Z-120229T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
1026 PM CST TUE FEB 28 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

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

* UNTIL 1045 PM CST

* AT 1024 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE
  WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR OSWEGO...OR
  10 MILES SOUTHEAST OF PARSONS...AND MOVING EAST AT 45 MPH. PENNY
  SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  OSWEGO.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CST WEDNESDAY MORNING
FOR SOUTHEASTERN KANSAS.

LAT...LON 3699 9508 3699 9538 3738 9533 3738 9517
      3739 9516 3739 9509 3739 9508 3738 9507
      3700 9507
TIME...MOT...LOC 0426Z 249DEG 40KT 3722 9516
WIND...HAIL 70MPH 0.75IN

$$

LAUGEMAN
1 follow-up statement
033 
WWUS53 KICT 290435
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
1035 PM CST TUE FEB 28 2012

KSC099-290445-
/O.CAN.KICT.SV.W.0013.000000T0000Z-120229T0445Z/
LABETTE KS-
1035 PM CST TUE FEB 28 2012

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

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 1 AM CST.

LAT...LON 3699 9508 3699 9538 3738 9533 3738 9517
      3739 9516 3739 9509 3739 9508 3738 9507
      3700 9507
TIME...MOT...LOC 0435Z 249DEG 40KT 3725 9504

$$

ES

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 6:18 PM CSTSevere Thunderstorm WarningICTKingman, Reno42 min
Feb 28, 6:30 PM CSTTornado WarningICTReno30 min
Feb 28, 6:58 PM CSTTornado WarningICTHarvey, McPherson, Reno32 min
Feb 28, 7:25 PM CSTTornado WarningICTMcPherson, Marion50 min
Feb 28, 7:52 PM CSTTornado WarningICTChase, Marion38 min
Feb 28, 8:07 PM CSTSevere Thunderstorm WarningICTCowley, Sumner53 min
Feb 28, 8:52 PM CSTSpecial Weather StatementICTButler, Chase28 min
Feb 28, 8:52 PM CSTSevere Thunderstorm WarningICTChautauqua, Cowley53 min
Feb 28, 9:01 PM CSTSevere Thunderstorm WarningICTButler, Chase, Elk, Greenwood59 min
Feb 28, 9:31 PM CSTSevere Thunderstorm WarningICTChautauqua, Elk, Montgomery, Wilson59 min
Feb 28, 10:08 PM CSTSevere Thunderstorm WarningICTLabette, Montgomery22 min
Feb 29, 3:21 AM CSTRed Flag WarningICTAllen, Barton, Butler, Chase, Chautauqua, Cowley and 20 more14 hr
Feb 29, 12:12 PM CSTWind AdvisoryICTEllsworth, Lincoln, Russell, Saline3 hr
Feb 29, 3:47 PM CSTFire Weather WatchICTAllen, Chautauqua, Elk, Greenwood, Labette, Montgomery and 3 more12 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.