Alert archive / Missouri / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 67, NWS Kansas City, MO

May 26, 1991Clay County, Clinton County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 26, 1991, 11:48 PM CDT for Clay County, Clinton County, Missouri. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
May 26, 1991, 11:48 PM CDT (04:48 UTC)
Expired
May 27, 1991, 12:30 AM CDT
In force
42 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Clay County, MO, Clinton County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.8 hours before the alert went out and 117 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 1991-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1006 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 1991-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
1006 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.7

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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 10:57 PM CDTSevere Thunderstorm WarningEAXClay, Platte48 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1991Every severe thunderstorm warning in 1991

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.