Alert archive / Kansas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 33, NWS Kansas City, MO

April 9, 1995Johnson County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 9, 1995, 11:23 PM CDT for Johnson County, Kansas. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Apr 9, 1995, 11:23 PM CDT (04:23 UTC)
Expired
Apr 10, 1995, 12:30 AM CDT
In force
67 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Johnson County, KS

The radar

The Pleasant Hill radar (KEAX), 49 km from the middle of the area, began a volume at 04:23 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.4 hours before the alert went out and 72 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 1995-04-10Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1995-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 428 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
428 m²/s²
0-3 km storm-relative helicity
531 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 100424 RRA
SVRMCI
KSC091-100530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MO
1123 PM CDT SUN APR 9 1995
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL KANSAS
 
   ...JOHNSON COUNTY
 
AT 1120 PM A SEVERE THUNDERSTORM WAS MOVING INTO SOUTHWEST JOHNSON
COUNTY KANSAS...NEAR EDGERTON. THE STORM IS MOVING TO THE NORTHEAST AT
35 MPH AND WILL MOVE NEAR OLATHE. LARGE HAIL UP TO GOLFBALL SIZE HAIL IS
EXPECTED.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VER0Y HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 9, 8:46 PM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, Apr 9, 8:46 PM CDT, 2 hours 37 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
845 PM CDT SUN APR 9 1995

FCST PROBLEM TNGT IS PTNL SVR FAR SRN PTN OF CWA AND RAIN/ELEVATED
TSTMS OVR REST OF FA. WW 166 IN EFFECT FOR SRN PTN OF FA. BNDRY NRLY
STNRY OVR SRN MO WHILE SFC LOW DEEPENING OVR TX PNHDL. PROFILERS AND
EVE RAOBS SHOW CD AIR IS RATHER SHALLOW OVR MO N OF FNT. ISOLD ELEVATED
CNVTN HAS FORMED OVR LINN CNTY/KS AND STGR OVR CNTRL MO AND JUST E OF
HENRY CNTY. CELLS HV BEEN SLOW TO STRENGTHEN PBLY BECAUSE UPR DYNAMICS
HV YET TO RCH MO. MO IS IN FVRBL UPR LVL DIFLUENT ZONE AND ADAP SHOWS
BULLSEYE MSTR CNVGNC OVR SW MO. STILL...MAY HV TO WAIT AWHILE FOR BTR
DYNAMICS TO ARRIVE BEFORE STGR STORMS DVLP AS CAP WAS STGR TODAY THAN
YDA. WILL CONT TO WATCH FOR FTHR DVLPMT OF CNVTN OVR FAR SRN FA.

ELSEWHERE DESPITE CD AIR BEING RATHER SHALLOW TEMPS ARE QUITE NIPPY ON
BRISK ENE WIND. DONT THINK THEY WILL FALL MUCH FTHR. MAY ONLY SEE L- OR
R- TNGT OVR REST OF FA AND WAIT UNTIL TMRW MRNG FOR ELEVATED TSTMS WHEN
LEFT EXIT RGN OF UPR JET AND LEADING EDGE OF PVA ARRIVE.
NGM TAKES SFC LOW TOO FAR W INTO CD AIR TMRW AND PREFER AVN/ETA AND
THEY MAY EVEN BE A BIT TOO FAR W. AS ISENTR<OPIC LIFT INCRS AND FNT
TRIES TO RETURN N COULD SEE SVR OVR SRN/ERN SXNS OF FA TMRW.

JULY

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 10:47 PM CDTSevere Thunderstorm WarningEAXLinn, Miami58 min
Apr 9, 11:57 PM CDTSevere Thunderstorm WarningEAXMiami48 min
Apr 10, 9:22 AM CDTSevere Thunderstorm WarningEAXDoniphan25 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1995Every severe thunderstorm warning in 1995

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.