Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 187, NWS Kansas City, MO

August 11, 1993Clay County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Aug 11, 1993, 9:53 PM CDT for Clay County, Missouri. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Aug 11, 1993, 9:53 PM CDT (02:53 UTC)
Expired
Aug 11, 1993, 10:30 PM CDT
In force
37 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, 2.9 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 1993-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3832 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 1993-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
3832 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
682 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
329 m²/s²
Significant tornado parameter
2.9
Supercell composite
16.0

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
Aug 11, 10:16 PM CDTSevere Thunderstorm WarningEAXRay44 min
Aug 11, 10:20 PM CDTSevere Thunderstorm WarningEAXPlatte40 min
Aug 11, 10:33 PM CDTSevere Thunderstorm WarningEAXClay42 min
Aug 11, 11:24 PM CDTFlash Flood WarningEAXGasconade, Osage3 hr
Aug 11, 11:43 PM CDTFlash Flood WarningEAXCarroll, Ray4 hr
Aug 12, 12:22 AM CDTFlash Flood WarningEAXClay2 hr
Aug 12, 1:45 AM CDTFlash Flood WarningEAXBoone, Cooper, Howard, Moniteau, Saline3 hr
Aug 12, 1:45 AM CDTFlash Flood WarningEAXCallaway3 hr
Aug 12, 2:31 AM CDTFlash Flood WarningEAXCole, Moniteau119 min
Aug 12, 2:49 AM CDTFlash Flood WarningEAXCarroll, Ray3 hr
Aug 12, 3:48 AM CDTFlash Flood WarningEAXOsage3 hr
Aug 12, 4:20 AM CDTFlash Flood WarningEAXLafayette100 min
Aug 12, 4:43 AM CDTFlash Flood WarningEAXBoone, Cole, Cooper, Moniteau2 hr
Aug 12, 4:43 AM CDTFlash Flood WarningEAXCallaway2 hr
Aug 12, 4:56 AM CDTFlash Flood WarningEAXGasconade3 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm warning in 1993

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.