Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 149, NWS Kansas City, MO

July 29, 1992Clay County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 29, 1992, 11:02 PM CDT for Clay County, Missouri. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1992, 11:02 PM CDT (04:02 UTC)
Expired
Jul 30, 1992, 12:00 AM CDT
In force
58 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Clay County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.0 hours before the alert went out and 111 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 1992-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2199 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 00:00Z on 1992-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
2199 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1333 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.8
Supercell composite
7.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 29, 8:37 PM CDT, 2 hours 25 minutes before
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Local storm report, Jul 29, 8:51 PM CDT, 2 hours 11 minutes before
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Special weather statement, Jul 29, 9:10 PM CDT, 1 hour 52 minutes before
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Special weather statement, Jul 29, 9:32 PM CDT, 1 hour 30 minutes before
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Special weather statement, Jul 29, 10:12 PM CDT, 50 minutes before
MOZ001-002-004-005-008-009-300400-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1011 PM CDT WED JULY 29 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHEAST KANSAS
AND NORTHWEST MISSOURI UNTIL 100 AM THURSDAY MORNING...

AT 1010 PM...SCATTERED THUNDERSTORMS...SOME VERY STRONG...WERE IN
EXTREME NORTHEAST KANSAS...ACROSS PARTS OF NORTHWEST MISSOURI...AND
OVER SOUTHERN IOWA AND EXTREME SOUTHEAST NEBRASKA.

A VERY STRONG THUNDERSTORM WAS IN NORTHWEST MISSOURI...30 MILES
NORTHWEST OF KANSAS CITY.  HAIL WAS REPORTED AT BEAN LAKE...IN
EXTREME NORTHWEST PLATTE COUNTY AT 1005 PM.

OTHER STRONG THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS...20
MILES SOUTHWEST OF ST JOSEPH.

THE THUNDERSTORMS WERE MOVING SOUTHEAST 20 MILES AN HOUR.
.
THE STRONGER STORMS CONTAIN VERY HEAVY RAIN...AND POSSIBLY SOME
HAIL AND STRONG GUSTY WINDS.

HEAVY RAINS FROM THE STORMS MAY FLOOD ROADS AND SMALL STREAMS.
DO NOT ATTEMPT TO CROSS FLOWING WATER.

PERSONS IN NORTHWEST MISSOURI SHOULD REMAIN ALERT AND SEEK
SHELTER IF THREATENING WEATHER DEVELOPS...AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 29, 10:37 PM CDT, 25 minutes before
MOZ001-002-004-005-008-009-300400-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1035 PM CDT WED JULY 29 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHEAST KANSAS
AND NORTHWEST MISSOURI UNTIL 1 AM THURSDAY MORNING...
...FLASH FLOOD WATCH FOR EXTREME NORTHWEST MISSOURI TONIGHT...

AT 1025 PM...ISOLATED STRONG THUNDERSTORMS WERE LOCATED OVER NORTHEAST
KANSAS AND NORTHWEST MISSOURI.  THE STRONGEST STORM WAS LOCATED 50
MILES NORTH OF TOPEKA.  ANOTHER THUNDERSTORM WAS LOCATED JUST NORTH
OF THE KANSAS CITY INTERNATIONAL AIRPORT.  THIS STORM PRODUCE PEA TO
MABLE SIZE HAIL AS IT MOVED ACROSS PLATTE.

OTHER THUNDERSTORMS WERE IN EXTREME NORTHWEST MISSOURI...NEAR THE IOWA
BORDER...65 MILES NORTHWEST OF ST JOSEPH.

HEAVY RAINS FROM THE STORMS MAY FLOOD ROADS AND SMALL STREAMS.
DO NOT ATTEMPT TO CROSS FLOWING WATER.

PERSONS IN NORTHWEST MISSOURI SHOULD REMAIN ALERT AND SEEK
SHELTER IF THREATENING WEATHER DEVELOPS...AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 11:46 PM CDTSevere Thunderstorm WarningEAXClay44 min
Jul 30, 1:38 AM CDTFlash Flood WarningEAXBuchanan, Platte3 hr
Jul 30, 1:38 AM CDTFlash Flood WarningEAXClay3 hr
Jul 30, 1:38 AM CDTFlash Flood WarningEAXLeavenworth3 hr

Nearby

Severe 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.