Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 52, NWS Kansas City, MO

May 6, 1994St. Clair County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 6, 1994, 7:12 PM CDT for St. Clair County, Missouri. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
May 6, 1994, 7:12 PM CDT (00:12 UTC)
Expired
May 6, 1994, 7:30 PM CDT
In force
18 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County St. Clair County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 0.2 hours before the alert went out and 126 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, Springfield, MO at 00:00Z on 1994-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 926 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, Springfield, MO at 00:00Z on 1994-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 312 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
926 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
312 m²/s²
0-3 km storm-relative helicity
497 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.6

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 6, 8:08 PM CDTSevere Thunderstorm WarningEAXSt. Clair52 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning in 1994

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.