Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 256, NWS Kansas City, MO

July 21, 1995Lafayette County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 21, 1995, 3:46 PM CDT for Lafayette County, Missouri. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jul 21, 1995, 3:46 PM CDT (20:46 UTC)
Expired
Jul 21, 1995, 4:30 PM CDT
In force
44 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Lafayette County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.8 hours before the alert went out and 160 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 12:00Z on 1995-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 626 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1995-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
626 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
-23 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.

000 
TTAA00 KMCI 212046 RRA
SVRMCI
MOC107-212130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MO
346 PM CDT FRI JUL 21 1995
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MISSOURI
 
   ...LAFAYETTE COUNTY
 
AYT 344 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR
LEXINGTON MOVING EAST AT 20 MPH.
 
THIS STORM WILL MOVE NEAR HIGGINSVILLE AND PRODUCE WINDS IN EXCESS OF 60
MPH AND HAIL IN EXCESS OF 1 INCH.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY 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 Jul 21, 3:39 PM CDT, 7 minutes earlier.

Area forecast discussion, Jul 21, 3:39 PM CDT, 7 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
335 PM CDT FRI JUL 21 1995

NOT MUCH TIME TO LOOK AT THINGS WITH ISOLD SVR AND NOWCAST PROGRAM.
WILL BE DFCLT TIMING WK FEATURES EMBDD IN ZONAL FLOW PAT NEXT CPL OF
DAYS. TSTMS FM NE KS THRU CNTRL MO DVLPD IN RESP TO PRONOUNCED DRYING
ASSOCD WITH APCHG ERN KS SHRTWV AS IT RCHD OLD FNTL BNDRY AND RGN OF
ENHNCD MSTR CNVGNC. BNDRY HAS LFTD NWD AS A WRM FNT AND IS NR A STJ TO
TO JUST NE OF MKC TO N OF COU LN. AMS IS VERY UNSTBL WITH LIS OF MINUS 8
AND CAPES IN EXCESS OF 3000 J/KG. ACTVTY WILL CONT IN GENL AREA WITH A
NWD DRFT THRU SUNSET. BUT ONCE SUN GOES DN ACTVTY SHUD DIE OFF FAIRLY
QUICKLY. S OF BNDRY ONLY ISOLD TSTMS THIS EVE. TSTMS ALG BNDRY MAY CONT
TO BRIEFLY EXCEED SVR LIMITS TILL SUNSET. WV IMAGERY SHOWS SHRTWV RDGG
MOVG IN BHND ERN KS SHRTWV SO AFTER SUNSET THREAT OF STORMS DROPS OFF
QUICKLY TILL SUNRISE SAT. WILL BREAK UP FIRST PD TO REFLECT THIS. OTRW
WARM AND HUMID TNGT.

SAT TRICKY AS CNVTN NOW DVLPG OVR THE CNTRL HI PLAINS MY GET HERE BY
MRNG. EITHER DYING MCS OR WRMG TEMPS ALOFT COULD CAP AMS TILL EVE HRS
AND WAIT FOR NRN PLAINS CDFNT TO APCH. SO FAVOR HIER POPS FOR SAT NGT.

MCI 70/90  33

JULY

In the hours before

Special weather statement, Jul 21, 1:00 PM CDT, 2 hours 46 minutes before
MOZ001>008-011>017-020>025-028>033-037>040-043>046-053-054-067-
KSZ025-057-060-102>105-221200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
100 PM CDT FRI JUL 21 1995

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF
WESTERN MISSOURI AND EXTREME EASTERN KANSAS THROUGH TONIGHT...

FORECAST...SCATTERED THUNDERSTORMS WILL DEVELOP FROM EAST CENTRAL
KANSAS EASTWARD INTO CENTRAL MISSOURI THIS AFTERNOON. SOME OF THESE
STORMS MAY BRIEFLY REACH SEVERE LEVELS. THE PRIMARY SEVERE THREAT WILL
BE FROM LARGE HAIL AND DAMAGING WINDS. THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS SOUTH OF A MARYVILLE PLATTSBURG TO MACON LINE. LATER
TONIGHT THERE WILL ALSO BE A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER
WESTERN MISSOURI WEST OF A TRENTON TO OSCEOLA LINE. SPOTTER ACTIVATION
MAY BE NEEDED THIS AFTERNOON AND AGAIN AFTER MIDNIGHT.

DISCUSSION...AN OLD COLD FRONT LIES WEST TO EAST FROM NEAR TOPEKA
THROUGH KANSAS CITY AND INTO CENTRAL MISSOURI NEAR COLUMBIA. WARM MOIST
AND UNSTABLE AIR HAS RETURNED TO WESTERN MISSOURI AND EASTERN KANSAS
AND WILL HELP FORM THUNDERSTORMS ALONG THIS BOUNDARY. SOME OF STRONGER
STORMS WILL HAVE THE POTENTIAL TO BRIEFLY BECOME SEVERE AND PRODUCE
LARGE HAIL AND DAMAGING WINDS. OTHERWISE...WEAK DISTURBANCES ALOFT WILL
MOVE ACROSS KANSAS AND MISSOURI OVER THE NEXT TWO DAYS AND WILL
ENCOUNTER A VERY UNSTABLE AIRMASS. SEVERE THUNDERSTORMS MAY ALSO
DEVELOP THIS AFTERNOON OVER WESTERN OR CENTRAL KANSAS. THEY WILL MOVE TO
THE EAST AND COULD REACH WESTERN MISSOURI AFTER MIDNIGHT.

JULY
Special weather statement, Jul 21, 1:09 PM CDT, 2 hours 37 minutes before
MOZ001>008-011>017-020>025-028>033-037>040-043>046-053-054-067-
KSZ025-057-060-102>105-221200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
100 PM CDT FRI JUL 21 1995

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF
WESTERN MISSOURI AND EXTREME EASTERN KANSAS THROUGH TONIGHT...

FORECAST...SCATTERED THUNDERSTORMS WILL DEVELOP FROM EAST CENTRAL
KANSAS EASTWARD INTO CENTRAL MISSOURI THIS AFTERNOON. SOME OF THESE
STORMS MAY BRIEFLY REACH SEVERE LEVELS. THE PRIMARY SEVERE THREAT WILL
BE FROM LARGE HAIL AND DAMAGING WINDS. THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS SOUTH OF A MARYVILLE PLATTSBURG TO MACON LINE. LATER
TONIGHT THERE WILL ALSO BE A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER
WESTERN MISSOURI WEST OF A TRENTON TO OSCEOLA LINE. SPOTTER ACTIVATION
MAY BE NEEDED THIS AFTERNOON AND AGAIN AFTER MIDNIGHT.

DISCUSSION...AN OLD COLD FRONT LIES WEST TO EAST FROM NEAR TOPEKA
THROUGH KANSAS CITY AND INTO CENTRAL MISSOURI NEAR COLUMBIA. WARM MOIST
AND UNSTABLE AIR HAS RETURNED TO WESTERN MISSOURI AND EASTERN KANSAS
AND WILL HELP FORM THUNDERSTORMS ALONG THIS BOUNDARY. SOME OF STRONGER
STORMS WILL HAVE THE POTENTIAL TO BRIEFLY BECOME SEVERE AND PRODUCE
LARGE HAIL AND DAMAGING WINDS. OTHERWISE...WEAK DISTURBANCES ALOFT WILL
MOVE ACROSS KANSAS AND MISSOURI OVER THE NEXT TWO DAYS AND WILL
ENCOUNTER A VERY UNSTABLE AIRMASS. SEVERE THUNDERSTORMS MAY ALSO
DEVELOP THIS AFTERNOON OVER WESTERN OR CENTRAL KANSAS. THEY WILL MOVE TO
THE EAST AND COULD REACH WESTERN MISSOURI AFTER MIDNIGHT.

JULY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 1:57 PM CDTSevere Thunderstorm WarningEAXPlatte45 min
Jul 21, 1:57 PM CDTSevere Thunderstorm WarningEAXBuchanan48 min
Jul 21, 4:40 PM CDTSevere Thunderstorm WarningEAXSaline50 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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.