Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 30, NWS Wichita, KS

March 29, 2012Sedgwick County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Mar 29, 2012, 8:30 PM CDT for Sedgwick County, Kansas. It was in force for 60 min. 1 report 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
Mar 29, 2012, 8:30 PM CDT (01:30 UTC)
Expired
Mar 29, 2012, 9:30 PM CDT
In force
60 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.5 in
Wind
50.0 mph

County Sedgwick County, KS

The radar

The Wichita radar (KICT), 24 km from the middle of the area, began a volume at 01:30 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
Mar 29, 8:49 PM CDTHAIL 1.251 S Park City, KSSPOTTER REPORTS THAT HAIL WAS COVERING THE ROAD.

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
Mar 29, 5:30 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 1.5 hours before the alert went out and 135 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 2012-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1500 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 2012-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 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
1500 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1655 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
160 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.

076 
WUUS53 KICT 300130
SVRICT
KSC173-300230-
/O.NEW.KICT.SV.W.0030.120330T0130Z-120330T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
830 PM CDT THU MAR 29 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 825 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL
  SIZE HAIL.  THIS STORM WAS LOCATED NEAR PARK CITY...OR 7 MILES
  NORTH OF DOWNTOWN WICHITA...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  KECHI.

THIS INCLUDES INTERSTATE 135 BETWEEN MILE MARKERS 13 AND 19.

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 3787 9716 3778 9715 3776 9743 3779 9741
      3786 9733
TIME...MOT...LOC 0131Z 264DEG 14KT 3779 9732
WIND...HAIL <50MPH 1.50IN

$$

KETCHAM
1 follow-up statement
833 
WWUS53 KICT 300206
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
906 PM CDT THU MAR 29 2012

KSC173-300230-
/O.CON.KICT.SV.W.0030.000000T0000Z-120330T0230Z/
SEDGWICK KS-
906 PM CDT THU MAR 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
SEDGWICK COUNTY UNTIL 930 PM CDT...

AT 903 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
THIS STORM WAS LOCATED NEAR NORTHEAST WICHITA...OR 9 MILES NORTHEAST
OF DOWNTOWN WICHITA...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHEASTERN SEDGWICK COUNTY.

THIS INCLUDES INTERSTATE 135 BETWEEN MILE MARKERS 13 AND 15.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE
TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3776 9740 3779 9739 3783 9728 3784 9716
      3778 9715
TIME...MOT...LOC 0207Z 264DEG 14KT 3779 9723
WIND...HAIL <50MPH 1.50IN

$$

KETCHAM

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 29, 7:25 PM CDTSevere Thunderstorm WarningICTHarvey, Sedgwick65 min
Mar 29, 8:02 PM CDTSevere Thunderstorm WarningICTSedgwick58 min
Mar 29, 8:48 PM CDTAreal Flood WarningICTSedgwick5 hr
Mar 29, 8:57 PM CDTSevere Thunderstorm WarningICTSedgwick63 min
Mar 29, 9:24 PM CDTSpecial Weather StatementICTButler36 min
Mar 29, 9:31 PM CDTSevere Thunderstorm WarningICTButler59 min
Mar 29, 9:59 PM CDTSpecial Weather StatementICTSedgwick31 min
Mar 29, 10:29 PM CDTSevere Thunderstorm WarningICTButler44 min
Mar 29, 11:17 PM CDTAreal Flood WarningICTButler6 hr
Mar 30, 3:58 AM CDTDense Fog AdvisoryICTBarton, Ellsworth, Lincoln, Rice, Russell6 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.