Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 96, NWS Kansas City, MO

July 7, 1992Atchison County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 7, 1992, 4:15 AM CDT for Atchison County, Missouri. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1992, 4:15 AM CDT (09:15 UTC)
Expired
Jul 7, 1992, 4:45 AM CDT
In force
30 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Atchison County, MO

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 9.3 hours before the alert went out and 127 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, Omaha, NE at 00:00Z on 1992-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1513 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, Omaha, NE at 00:00Z on 1992-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 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
1513 J/kg
Mixed-layer CIN
-326 J/kg
Mixed-layer LCL
1149 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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 7, 3:40 AM CDT, 35 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 4:35 AM CDTSevere Thunderstorm WarningEAXHolt55 min
Jul 7, 5:12 AM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan63 min
Jul 7, 6:10 AM CDTSevere Thunderstorm WarningEAXJackson35 min
Jul 7, 6:10 AM CDTSevere Thunderstorm WarningEAXClay, Platte35 min
Jul 7, 10:04 AM CDTSevere Thunderstorm WarningEAXLeavenworth26 min

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.