Alert archive / Kansas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 99, NWS Kansas City, MO

July 7, 1992Leavenworth County, Wyandotte County, Kansas; Clay County, Platte County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 7, 1992, 6:10 AM CDT for Leavenworth County, Wyandotte County, Kansas; Clay County, Platte County, Missouri. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1992, 6:10 AM CDT (11:10 UTC)
Expired
Jul 7, 1992, 6:45 AM CDT
In force
35 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Leavenworth County, KS, Wyandotte County, KS, Clay County, MO, Platte County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 11.2 hours before the alert went out and 82 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 1992-07-07Temperature 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 1992-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.193958Sfc1 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
NaN m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
16.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 071111
SVRMCI
KSC091-103-209-MOC095-165-047-071145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
610 AM CDT TUE JUL 7 1992
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL KANSAS
 
   ...NORTHERN JOHNSON COUNTY...LEAVENWORTH COUNTY
   ...WYANDOTTE COUNTY
 
 
IN NORTHWEST MISSOURI
 
   ...NORTHWESTERN JACKSON COUNTY...PLATTE COUNTY
 
IN WEST CENTRAL MISSOURI
 
   ...SOUTHERN CLAY COUNTY
 
AT 605 AM CDT A SEVERE THUNDERSTORM WAS INDICATED ON RADAR ABOUT 10
MILES WEST OF THE KANSAS CITY INTERNATIONAL AIRPORT. THE THUNDERSTORM
WAS MOVING EAST SOUTHEAST AT 35 MILES AN HOUR AND WILL AFFECT THE KANSAS
CITY METRO AREA. A WIND GUST TO 47 MILES AN HOUR OCCURED AT THE KANSAS
CITY INTERNATIONAL AIRPORT SHORTLY BEFORE 6 AM.
 
IF THREATENING WEATHER APPROACHES SEEK SHELTER QUICKLY!

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.

In the hours before

Special weather statement, Jul 7, 3:40 AM CDT, 2 hours 30 minutes before
MOZ001-002-004-005-KZ015-070935-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
335 AM CDT TUE JUL 7 1992

...SEVERE THUNDERSTORM WATCH UNTIL 900 AM CDT...

AT 330 AM...A LINE OF VERY STRONG THUNDERSTORMS WAS OVER SOUTHEAST
NEBRASKA...FROM OMAHA NEBRASKA TO 60 MILES SOUTH OF LINCOLN NEBRASKA.

THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL BEGIN
TO MOVE INTO NORTHWEST MISSOURI AROUND 415 AM CDT.  THESE STORM ARE
CAPABLE OF PRODUCING SMALL HAIL...STRONG WINDS...HEAVY RAIN AND
DANGEROUS LIGHTING.

GH
Special weather statement, Jul 7, 5:38 AM CDT, 32 minutes before
MOZ001-002-004-005-008-009-KZ015-070935-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
530 AM CDT TUE JUL 7 1992

...SEVERE THUNDERSTORM WATCH UNTIL 1100 AM CDT...

AT 530 AM...A LINE OF VERY STRONG THUNDERSTORMS WAS OVER NORTHWEST
MISSOURI AND NORTHEAST KANSAS.

THE THUNDERSTORMS WERE IN A BAND 70 MILES WIDE AND EXTENDED FROM 30
MILES WEST OF LAMONI IOWA TO TOPEKA KANSAS.  THE STRONGEST THUNDERSTORS
WERE 20 MILES WEST OF PLATTE COUNTY MISSOURI OR 50 MILES NORTHWEST
OF KANSAS CITY.  ANOTHER STRONG THUNDERSTORM WAS ALONG THE IOWA BORDER
WEST OF LAMONI.

THESE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 35 MILES AN HOUR
AND COULD bBRING HEAVY RAIN...HAIL AND STRONG GUSTY WINDS TO PLATTE
CITY MISSOURI BY 600 AM CDT
GH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 4:35 AM CDTSevere Thunderstorm WarningEAXDoniphan55 min
Jul 7, 6:10 AM CDTSevere Thunderstorm WarningEAXJohnson35 min
Jul 7, 10:04 AM CDTSevere Thunderstorm WarningEAXLeavenworth26 min
Jul 7, 4:15 AM CDTSevere Thunderstorm WarningEAXAtchison30 min
Jul 7, 5:12 AM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan63 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1992Severe Thunderstorm Warnings in Missouri, 1992Every severe thunderstorm warning in 1992

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.